$SSB
SouthState Corp Stock $ssb

$ssb Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000155837020013071 Filed on November 06, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2019 Q3
Revenue		$295.3M	$150.0M
YoY Change		96.86%	4.49%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$14.90M	$13.20M	$8.200M
YoY Change	83.95%	60.98%	-7.87%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$24.95M	$22.63M
YoY Change		10.24%	48.18%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$66.80M	$118.5M	$64.56M
YoY Change	13.99%	83.47%	13.46%
Income Tax	-$19.40M	$23.23M	$13.00M
% Of Pretax Income	-29.04%	19.61%	20.13%
Net Earnings	$86.20M	$95.22M	$51.57M
YoY Change	75.56%	84.66%	9.52%
Net Earnings / Revenue		32.25%	34.38%
Basic Earnings Per Share		$1.34	$1.51
Diluted Earnings Per Share	$1.209M	$1.34	$1.50
COMMON SHARES
Basic Shares Outstanding	70.95M	70.91M	34.06M
Diluted Shares Outstanding		71.08M	34.30M

Balance Sheet

Concept	2020 Q4	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$4.609B	$4.472B	$719.2M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$579.0M	$626.0M	$323.5M
YoY Change	82.47%	93.5%	33.73%
Goodwill	$1.564B	$1.600B	$1.000B
YoY Change	55.94%	60.0%	-0.29%
Intangibles	$162.6M	$171.6M	$53.08M
YoY Change	226.39%	223.34%	-20.1%
Long-Term Investments	$5.000M	$5.000M
YoY Change	25.0%
Other Assets	$147.0M	$132.0M	$28.00M
YoY Change	374.19%	371.43%	-41.67%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$37.79B	$37.82B	$15.75B
YoY Change	137.35%	140.09%	8.47%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$118.0M	$126.0M	$91.00M
YoY Change	32.58%	38.46%
Deferred Revenue
YoY Change
Short-Term Debt	$780.0M	$707.0M	$269.0M
YoY Change	160.87%	162.83%	-3.93%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$118.0M	$126.0M	$91.00M
YoY Change	32.58%	38.46%	-67.5%
LONG-TERM LIABILITIES
Long-Term Debt	$390.0M	$1.090B	$816.0M
YoY Change	-52.21%	33.58%	603.45%
Other Long-Term Liabilities	$1.117B	$1.320B	$201.0M
YoY Change	568.86%	556.72%	38.62%
Total Long-Term Liabilities	$1.507B	$2.410B	$1.017B
YoY Change	53.31%	136.97%	289.66%
TOTAL LIABILITIES
Total Short-Term Liabilities	$118.0M	$126.0M	$91.00M
Total Long-Term Liabilities	$1.507B	$2.410B	$1.017B
Total Liabilities	$33.14B	$33.26B	$13.40B
YoY Change	144.61%	148.16%	10.26%
SHAREHOLDERS EQUITY
Retained Earnings	$657.5M	$604.6M	$646.3M
YoY Change	-3.3%	-6.46%	25.46%
Common Stock	$177.4M	$177.3M	$84.76M
YoY Change	110.33%	109.21%	-7.68%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.648B	$4.563B	$2.351B
YoY Change
Total Liabilities & Shareholders Equity	$37.79B	$37.82B	$15.75B
YoY Change	137.35%	140.09%	8.47%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	$86.20M	$95.22M	$51.57M
YoY Change	75.56%	84.66%	9.52%
Depreciation, Depletion And Amortization	$14.90M	$13.20M	$8.200M
YoY Change	83.95%	60.98%	-7.87%
Cash From Operating Activities	$180.8M	$286.2M	$27.40M
YoY Change	239.21%	944.53%	-56.92%
INVESTING ACTIVITIES
Capital Expenditures	-$3.900M	-$3.900M	-$3.400M
YoY Change	-9.3%	14.71%	54.55%
Acquisitions
YoY Change
Other Investing Activities	-$107.6M	-$145.3M	-$151.1M
YoY Change	-54.25%	-3.84%	184.56%
Cash From Investing Activities	-$111.5M	-$149.2M	-$154.5M
YoY Change	-53.44%	-3.43%	179.39%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	68.20M	-29.00M	-5.800M
YoY Change	-56.17%	400.0%	-94.08%
NET CHANGE
Cash From Operating Activities	180.8M	286.2M	27.40M
Cash From Investing Activities	-111.5M	-149.2M	-154.5M
Cash From Financing Activities	68.20M	-29.00M	-5.800M
Net Change In Cash	137.5M	108.0M	-132.9M
YoY Change	-549.35%	-181.26%	48.33%
FREE CASH FLOW
Cash From Operating Activities	$180.8M	$286.2M	$27.40M
Capital Expenditures	-$3.900M	-$3.900M	-$3.400M
Free Cash Flow	$184.7M	$290.1M	$30.80M
YoY Change	220.66%	841.88%	-53.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
	dei	Entity Central Index Key EntityCentralIndexKey	0000764038
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	33744385
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	33902726
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	70928304
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-12669
	dei	Entity Registrant Name EntityRegistrantName	SOUTH STATE CORP
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	SC
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	57-0799315
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1101 First Street South, Suite 202
	dei	Entity Address City Or Town EntityAddressCityOrTown	Winter Haven
	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	33880
	dei	City Area Code CityAreaCode	863
	dei	Local Phone Number LocalPhoneNumber	293-4710
	dei	Security12b Title Security12bTitle	Common Stock
	dei	Trading Symbol TradingSymbol	SSB
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2020Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	70949737
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	344389000
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	262019000
CY2019Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	258357000
CY2020Q3	ssb	Federal Funds Sold And Interest Bearing Deposits With Banks FederalFundsSoldAndInterestBearingDepositsWithBanks	3199101000
CY2019Q4	ssb	Federal Funds Sold And Interest Bearing Deposits With Banks FederalFundsSoldAndInterestBearingDepositsWithBanks	377692000
CY2019Q3	ssb	Federal Funds Sold And Interest Bearing Deposits With Banks FederalFundsSoldAndInterestBearingDepositsWithBanks	396804000
CY2020Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	928149000
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	48993000
CY2019Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	64033000
CY2020Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	4471639000
CY2019Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	688704000
CY2019Q3	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	719194000
CY2020Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3498087000
CY2020Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3561929000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1956047000
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1813134000
CY2020Q3	us-gaap	Other Investments OtherInvestments	185199000
CY2019Q4	us-gaap	Other Investments OtherInvestments	49124000
CY2019Q3	us-gaap	Other Investments OtherInvestments	49124000
CY2020Q3	ssb	Investment Available For Sale InvestmentAvailableForSale	3747128000
CY2019Q4	ssb	Investment Available For Sale InvestmentAvailableForSale	2005171000
CY2019Q3	ssb	Investment Available For Sale InvestmentAvailableForSale	1862258000
CY2020Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	456141000
CY2019Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	59363000
CY2019Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	87393000
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	440159000
CY2019Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	56927000
CY2019Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	54937000
CY2020Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	24797656000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11313113000
CY2019Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11229892000
CY2020Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	13480000
CY2019Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	6539000
CY2019Q3	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	8424000
CY2020Q3	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	24504000
CY2019Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	5425000
CY2019Q3	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	4991000
CY2020Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	626259000
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	317321000
CY2019Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	323506000
CY2020Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	556475000
CY2019Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	234567000
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2019Q3	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	233206000
CY2020Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	107500000
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	31316000
CY2019Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	27844000
CY2020Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	953036000
CY2019Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	15463000
CY2019Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	24316000
CY2020Q3	us-gaap	Servicing Asset ServicingAsset	34578000
CY2019Q4	us-gaap	Servicing Asset ServicingAsset	30525000
CY2019Q3	us-gaap	Servicing Asset ServicingAsset	28674000
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	171637000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	49816000
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	53083000
CY2020Q3	us-gaap	Goodwill Goodwill	1566524000
CY2019Q4	us-gaap	Goodwill Goodwill	1002900000
CY2019Q3	us-gaap	Goodwill Goodwill	1002900000
CY2020Q3	us-gaap	Other Assets OtherAssets	292809000
CY2019Q4	us-gaap	Other Assets OtherAssets	160869000
CY2019Q3	us-gaap	Other Assets OtherAssets	146401000
CY2020Q3	us-gaap	Assets Assets	37819366000
CY2019Q4	us-gaap	Assets Assets	15921092000
CY2019Q3	us-gaap	Assets Assets	15752082000
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	9681095000
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3245306000
CY2019Q3	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	3307532000
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	20288859000
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8931790000
CY2019Q3	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	8716255000
CY2020Q3	us-gaap	Deposits Deposits	29969954000
CY2019Q4	us-gaap	Deposits Deposits	12177096000
CY2019Q3	us-gaap	Deposits Deposits	12023787000
CY2020Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	351676000
CY2019Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	56581000
CY2019Q3	us-gaap	Federal Funds Purchased FederalFundsPurchased	33539000
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	355047000
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	242160000
CY2019Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	235533000
CY2020Q3	ssb	Corporate And Subordinated Debentures CorporateAndSubordinatedDebentures	389540000
CY2019Q4	ssb	Corporate And Subordinated Debentures CorporateAndSubordinatedDebentures	115833000
CY2019Q3	ssb	Corporate And Subordinated Debentures CorporateAndSubordinatedDebentures	115666000
CY2020Q3	us-gaap	Other Borrowings OtherBorrowings	700097000
CY2019Q4	us-gaap	Other Borrowings OtherBorrowings	700103000
CY2019Q3	us-gaap	Other Borrowings OtherBorrowings	700105000
CY2020Q3	ssb	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	43161000
CY2019Q4	ssb	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	335000
CY2019Q3	ssb	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	335000
CY2020Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	979155000
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	30485000
CY2019Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	43287000
CY2020Q3	us-gaap	Other Liabilities OtherLiabilities	467323000
CY2019Q4	us-gaap	Other Liabilities OtherLiabilities	225486000
CY2019Q3	us-gaap	Other Liabilities OtherLiabilities	248874000
CY2020Q3	us-gaap	Liabilities Liabilities	33255953000
CY2019Q4	us-gaap	Liabilities Liabilities	13548079000
CY2019Q3	us-gaap	Liabilities Liabilities	13401126000
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	160000000
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	80000000
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	80000000
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	70928304
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	33744385
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	33902726
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	177321000
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	84361000
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	84757000
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	3764482000
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1607740000
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1617004000
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	604564000
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	679895000
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	646325000
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	17046000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1017000
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2870000
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	4563413000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2373013000
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2350956000
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	37819366000
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15921092000
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	15752082000
CY2020Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	280825000
CY2019Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	134953000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	581566000
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	402175000
CY2020Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	11118000
CY2019Q3	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	10785000
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	33951000
	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	28933000
CY2020Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	2136000
CY2019Q3	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1587000
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	5041000
	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4700000
CY2020Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	1215000
CY2019Q3	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	2676000
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	3100000
	us-gaap	Interest Income Federal Funds Sold And Securities Purchased Under Agreements To Resell InterestIncomeFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	7565000
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	295294000
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	150001000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	623658000
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	443373000
CY2020Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	15154000
CY2019Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16655000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	42215000
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	50693000
CY2020Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	509000
CY2019Q3	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	612000
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	1515000
	us-gaap	Interest Expense Federal Funds Purchased And Securities Sold Under Agreements To Repurchase InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	2037000
CY2020Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	5034000
CY2019Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	1397000
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	8197000
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4332000
CY2020Q3	us-gaap	Interest Expense Other InterestExpenseOther	4249000
CY2019Q3	us-gaap	Interest Expense Other InterestExpenseOther	3964000
	us-gaap	Interest Expense Other InterestExpenseOther	10813000
	us-gaap	Interest Expense Other InterestExpenseOther	8492000
CY2020Q3	us-gaap	Interest Expense InterestExpense	24946000
CY2019Q3	us-gaap	Interest Expense InterestExpense	22628000
	us-gaap	Interest Expense InterestExpense	62740000
	us-gaap	Interest Expense InterestExpense	65554000
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	270348000
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	127373000
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	560918000
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	377819000
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	29797000
CY2019Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4028000
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	217804000
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	9220000
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	240551000
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	123345000
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	343114000
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	368599000
CY2020Q3	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	15000
CY2019Q3	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	437000
	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	15000
	us-gaap	Debt And Equity Securities Realized Gain Loss DebtAndEquitySecuritiesRealizedGainLoss	2687000
CY2019Q3	ssb	Recoveries On Acquired Loans RecoveriesOnAcquiredLoans	1401000
	ssb	Recoveries On Acquired Loans RecoveriesOnAcquiredLoans	4615000
CY2020Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	8571000
CY2019Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	1894000
	us-gaap	Noninterest Income Other NoninterestIncomeOther	14125000
	us-gaap	Noninterest Income Other NoninterestIncomeOther	6030000
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	114790000
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	37582000
	us-gaap	Noninterest Income NoninterestIncome	213269000
	us-gaap	Noninterest Income NoninterestIncome	107258000
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	134919000
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	59551000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	277617000
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	176529000
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	23845000
CY2019Q3	us-gaap	Occupancy Net OccupancyNet	11883000
	us-gaap	Occupancy Net OccupancyNet	52091000
	us-gaap	Occupancy Net OccupancyNet	35344000
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	18855000
CY2019Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	8878000
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	40317000
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	26558000
CY2020Q3	ssb	Other Real Estate Owned Expense And Loan Related OtherRealEstateOwnedExpenseAndLoanRelated	1146000
CY2019Q3	ssb	Other Real Estate Owned Expense And Loan Related OtherRealEstateOwnedExpenseAndLoanRelated	597000
	ssb	Other Real Estate Owned Expense And Loan Related OtherRealEstateOwnedExpenseAndLoanRelated	2840000
	ssb	Other Real Estate Owned Expense And Loan Related OtherRealEstateOwnedExpenseAndLoanRelated	2229000
	ssb	Defined Contribution Plan Termination Expense DefinedContributionPlanTerminationExpense	9526000
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9560000
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3268000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17232000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9817000
CY2020Q3	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2755000
CY2019Q3	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1418000
	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	5870000
	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	4417000
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	4385000
CY2019Q3	us-gaap	Professional Fees ProfessionalFees	2442000
	us-gaap	Professional Fees ProfessionalFees	9727000
	us-gaap	Professional Fees ProfessionalFees	7463000
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2849000
CY2019Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	228000
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	7310000
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3218000
CY2020Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1203000
CY2019Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1052000
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2548000
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2818000
CY2020Q3	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	21662000
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	66070000
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	3058000
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15708000
CY2019Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7047000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	37624000
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	23033000
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	236887000
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	96364000
	us-gaap	Noninterest Expense NoninterestExpense	519246000
	us-gaap	Noninterest Expense NoninterestExpense	304010000
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	118454000
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	64563000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37137000
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	171847000
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23233000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12998000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2741000
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34455000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	95221000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	51565000
	us-gaap	Net Income Loss NetIncomeLoss	34396000
	us-gaap	Net Income Loss NetIncomeLoss	137392000
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.34
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.51
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.94
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.92
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	70905000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34057000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49330000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34859000
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71076000
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34300000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49636000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35069000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	95221000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	51565000
	us-gaap	Net Income Loss NetIncomeLoss	34396000
	us-gaap	Net Income Loss NetIncomeLoss	137392000
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	1915000
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	7467000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	48573000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	44528000
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	421000
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	1643000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	10686000
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	9796000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	15000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	437000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	15000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-2679000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	96000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-590000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1482000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	5483000
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	37875000
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	36821000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	165000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-4988000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-34150000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-18931000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	37000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-1097000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-7512000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-4165000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-3457000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	241000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	-6143000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	585000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-760000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	53000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	-1351000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	128000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	2825000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4079000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-21846000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-15223000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax	7888000
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	1735000
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-6153000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4307000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1404000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	16029000
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	27751000
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99528000
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	52969000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	50425000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	165143000
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	2373978000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	51565000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1404000
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	52969000
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	14684000
CY2019Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	374000
CY2019Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	828000
CY2019Q3	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	64454000
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	340000
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2285000
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2350956000
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	4491850000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	95221000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4307000
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99528000
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.47
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	33334000
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	422000
CY2020Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	180000
CY2020Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	193000
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4960000
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	4563413000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2366296000
	us-gaap	Net Income Loss NetIncomeLoss	137392000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	27751000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	165143000
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.21
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	42175000
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	717000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1230000
	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	144594000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2303000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6642000
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2350956000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2373013000
	us-gaap	Net Income Loss NetIncomeLoss	34396000
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	16029000
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	50425000
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.41
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	64907000
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	807000
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	740000
	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	24715000
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	7638000
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18694000
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	2246327000
	ssb	Value Of Stock Options And Restricted Stock Acquired And Converted Pursuant To Acquisition ValueOfStockOptionsAndRestrictedStockAcquiredAndConvertedPursuantToAcquisition	15487000
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	4563413000
	us-gaap	Profit Loss ProfitLoss	34396000
	us-gaap	Profit Loss ProfitLoss	137392000
	ssb	Depreciation Depletion And Amortization Other Than Amortization Of Debt Discount Premium DepreciationDepletionAndAmortizationOtherThanAmortizationOfDebtDiscountPremium	31471000
	ssb	Depreciation Depletion And Amortization Other Than Amortization Of Debt Discount Premium DepreciationDepletionAndAmortizationOtherThanAmortizationOfDebtDiscountPremium	24981000
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	217804000
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	9220000
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-31577000
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	1457000
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	15000
	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2687000
	ssb	Debt Securities Trading Revenue DebtSecuritiesTradingRevenue	189000
	ssb	Debt Securities Trading Purchases DebtSecuritiesTradingPurchases	-108537000
	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-108726000
	us-gaap	Share Based Compensation ShareBasedCompensation	18694000
	us-gaap	Share Based Compensation ShareBasedCompensation	6642000
	ssb	Accretion On Loans Covered Under Fdic Loss Share Agreements AccretionOnLoansCoveredUnderFdicLossShareAgreements	43484000
	ssb	Accretion On Loans Covered Under Fdic Loss Share Agreements AccretionOnLoansCoveredUnderFdicLossShareAgreements	9131000
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	514000
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-3648000
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	21000
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	527000
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	13318000
	us-gaap	Adjustment For Amortization AdjustmentForAmortization	5310000
	ssb	Other Real Estate Write Downs OtherRealEstateWriteDowns	770000
	ssb	Other Real Estate Write Downs OtherRealEstateWriteDowns	727000
	ssb	Fair Value Adjustment For Loans Held For Sale FairValueAdjustmentForLoansHeldForSale	-5125000
	ssb	Fair Value Adjustment For Loans Held For Sale FairValueAdjustmentForLoansHeldForSale	1463000
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	1943097000
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	583804000
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2079830000
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	525659000
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	74808000
	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	7786000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	6830000
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	4206000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	21717000
	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	134000
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	8939000
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	846000
	ssb	Increase Decrease In Operating Leases Net IncreaseDecreaseInOperatingLeasesNet	-6037000
	ssb	Increase Decrease In Operating Leases Net IncreaseDecreaseInOperatingLeasesNet	-1134000
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	1231000
	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	218000
	us-gaap	Increase Decrease In Derivative Assets IncreaseDecreaseInDerivativeAssets	40330000
	us-gaap	Increase Decrease In Derivative Assets IncreaseDecreaseInDerivativeAssets	19225000
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-42018000
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	27477000
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	678000
	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	317000
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-30106000
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	2625000
	us-gaap	Increase Decrease In Derivative Liabilities IncreaseDecreaseInDerivativeLiabilities	60536000
	us-gaap	Increase Decrease In Derivative Liabilities IncreaseDecreaseInDerivativeLiabilities	38866000
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	58345000
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	24307000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	356103000
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	127707000
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	23540000
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	231990000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	705381000
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	208640000
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	42034000
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	45000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1201855000
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	692114000
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	80513000
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	23566000
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	737130000
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	280684000
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	2566376000
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	8287000
	us-gaap	Proceeds From Recoveries Of Loan Previously Charged Off ProceedsFromRecoveriesOfLoanPreviouslyChargedOff	2833000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	13009000
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11533000
	us-gaap	Proceeds From Sale Of Insurance Investments ProceedsFromSaleOfInsuranceInvestments	19207000
	us-gaap	Proceeds From Sale Of Insurance Investments ProceedsFromSaleOfInsuranceInvestments	1323000
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	8254000
	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	7405000
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	704000
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	17000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1341276000
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-555644000
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2174838000
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	376854000
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	6436000
	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-1577000
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	500000000
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	700001000
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	500005000
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	150005000
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	807000
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	717000
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	32353000
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	146897000
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	64907000
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	42175000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	740000
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1230000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2085556000
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	738148000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3782935000
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	310211000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	688704000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	408983000
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4471639000
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	719194000
	us-gaap	Interest Paid Net InterestPaidNet	73525000
	us-gaap	Interest Paid Net InterestPaidNet	65237000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	62555000
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	31928000
	ssb	Right Of Use Asset Obtained In Exchange For Operating Lease Liability Initial Measurement And Recognition RightOfUseAssetObtainedInExchangeForOperatingLeaseLiabilityInitialMeasurementAndRecognition	82160000
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7054000
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	10239000
	ssb	Fair Value Of Assets Acquired Net Of Adjustments FairValueOfAssetsAcquiredNetOfAdjustments	18937418000
	us-gaap	Noncash Or Part Noncash Acquisition Intangible Assets Acquired1 NoncashOrPartNoncashAcquisitionIntangibleAssetsAcquired1	140862000
	ssb	Liabilities Assumed Net Of Adjustments LiabilitiesAssumedNetOfAdjustments	17380016000
	us-gaap	Noncash Or Part Noncash Acquisition Net Nonmonetary Assets Acquired Liabilities Assumed1 NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1	563625000
	ssb	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Common Shares Issued1 NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationCommonSharesIssued1	2246327000
	ssb	Real Estate Acquired In Full Or In Partial Settlement Of Loans RealEstateAcquiredInFullOrInPartialSettlementOfLoans	4262000
	ssb	Real Estate Acquired In Full Or In Partial Settlement Of Loans RealEstateAcquiredInFullOrInPartialSettlementOfLoans	9610000
CY2020Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0
CY2020Q3	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	11400000
CY2020Q3	ssb	Threshold Net Book Balance Individually Evaluated Loans ThresholdNetBookBalanceIndividuallyEvaluatedLoans	1000000.0
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2020Q1	ssb	Credit Discount On Acquired Credit Impaired Loans CreditDiscountOnAcquiredCreditImpairedLoans	3408000
CY2020Q1	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.22
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	361287000
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1151361000
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1009372000
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	275217000
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	788031000
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	786383000
CY2019Q3	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	113008000
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	300248000
	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	301898000
CY2019Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	1.56
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	4.23
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	4.30
CY2019Q3	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	1.55
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	4.21
	us-gaap	Business Acquisition Pro Forma Earnings Per Share Diluted BusinessAcquisitionProFormaEarningsPerShareDiluted	4.27
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3498087000
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	68029000
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4187000
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3561929000
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1940763000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	19823000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4539000
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1956047000
CY2019Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1789509000
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	26156000
CY2019Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2531000
CY2019Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1813134000
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	469000
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	469000
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	454000000
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	454000000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	15000
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	15000
CY2019Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	437000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2700000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2700000
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2700000
CY2020Q3	us-gaap	Other Investments OtherInvestments	185199000
CY2019Q4	us-gaap	Other Investments OtherInvestments	49124000
CY2019Q3	us-gaap	Other Investments OtherInvestments	49124000
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	7308000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	7339000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	57855000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	59731000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	531275000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	547293000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	2901649000
CY2020Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	2947566000
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3498087000
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3561929000
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3097000
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	741122000
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1090000
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	110312000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3186000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	503728000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1353000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	141982000
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1156000
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	317961000
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1375000
CY2019Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	154111000
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	25237815000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	11375104000
CY2019Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	11290147000
CY2020Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	440159000
CY2020Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	24797656000
CY2019Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11313113000
CY2019Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	11229892000
CY2020Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	50500000
CY2020Q3	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	110400000
CY2020Q3	us-gaap	Interest Receivable InterestReceivable	97800000
CY2020Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	5784801000
CY2020Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	4630110000
CY2020Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	3375501000
CY2020Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	2645052000
CY2020Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	2193682000
CY2020Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4924682000
CY2020Q3	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	1683987000
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	25237815000
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	31718000
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	25095203000
CY2020Q3	ssb	Financing Receivable Recorded Investment Non Accruing FinancingReceivableRecordedInvestmentNonAccruing	110894000
CY2020Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	25237815000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	33141000
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	110894000
CY2020Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	1542000
CY2020Q3	ssb	Financing Receivable Nonaccrual With No Related Allowance Unpaid Principal Balance FinancingReceivableNonaccrualWithNoRelatedAllowanceUnpaidPrincipalBalance	19444000
	ssb	Financing Receivable Nonaccrual Transfer Of Credit Impaired Loans FinancingReceivableNonaccrualTransferOfCreditImpairedLoans	21000000.0
CY2019Q4	ssb	Financing Receivable Recorded Investment Collateral Dependent Loans FinancingReceivableRecordedInvestmentCollateralDependentLoans	21847000
CY2019Q4	ssb	Financing Receivable Collateral Dependent Loans Collateral Coverage FinancingReceivableCollateralDependentLoansCollateralCoverage	46256000
CY2020Q3	ssb	Financing Receivable Recorded Investment Collateral Dependent Loans FinancingReceivableRecordedInvestmentCollateralDependentLoans	14750000
CY2020Q3	ssb	Financing Receivable Collateral Dependent Loans Collateral Coverage FinancingReceivableCollateralDependentLoansCollateralCoverage	21913000
	ssb	Financing Receivable Recorded Investment Increase In Collateral Dependent Loans FinancingReceivableRecordedInvestmentIncreaseInCollateralDependentLoans	-7100000
	ssb	Length Of Time With Sustained Repayment Performance To Return To Accruing Status LengthOfTimeWithSustainedRepaymentPerformanceToReturnToAccruingStatus	P6M
CY2020Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	16200000
CY2020Q3	ssb	Financing Receivable Troubled Debt Restructuring Amount In Remaining Availability Under Commitments To Lend Additional Funds FinancingReceivableTroubledDebtRestructuringAmountInRemainingAvailabilityUnderCommitmentsToLendAdditionalFunds	1600000
CY2020Q3	ssb	Allowance For Credit Losses Loans That Subsequently Defaulted AllowanceForCreditLossesLoansThatSubsequentlyDefaulted	1200000
	ssb	Financing Receivable Modifications Number Of Contracts Under Restructured Terms FinancingReceivableModificationsNumberOfContractsUnderRestructuredTerms	29
	ssb	Financing Receivable Troubled Debt Restructuring Post Modification Amortized Cost Under Restructured Terms FinancingReceivableTroubledDebtRestructuringPostModificationAmortizedCostUnderRestructuredTerms	8405000
	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	1
	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	268000
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	434608000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	4642000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	4048000
CY2020Q3	ssb	Financing Receivable Allowance For Credit Losses Recovery Net Write Offs FinancingReceivableAllowanceForCreditLossesRecoveryNetWriteOffs	594000
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	7687000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	440159000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	426934000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	1171000
CY2020Q3	ssb	Financing Receivable Allowance For Credit Losses Total Quantitative Allowance FinancingReceivableAllowanceForCreditLossesTotalQuantitativeAllowance	428105000
CY2020Q3	ssb	Financing Receivable Qualitative Allowance For Credit Loss FinancingReceivableQualitativeAllowanceForCreditLoss	12054000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	440159000
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	56927000
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10296000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	8287000
	ssb	Financing Receivable Allowance For Credit Losses Recovery Net Write Offs FinancingReceivableAllowanceForCreditLossesRecoveryNetWriteOffs	2009000
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	71957000
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	440159000
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	58213000
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2779000
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	884000
CY2019Q3	ssb	Financing Receivable Allowance For Credit Losses Recovery Net Write Offs FinancingReceivableAllowanceForCreditLossesRecoveryNetWriteOffs	1895000
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	4028000
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	-91000
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	60255000
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	55798000
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	7260000
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2833000
	ssb	Financing Receivable Allowance For Credit Losses Recovery Net Write Offs FinancingReceivableAllowanceForCreditLossesRecoveryNetWriteOffs	4427000
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	9220000
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	-336000
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	60255000
CY2019Q4	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	11964000
CY2018Q4	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	11410000
	ssb	Other Real Estate Non Covered Additions In Acquisition OtherRealEstateNonCoveredAdditionsInAcquisition	-9931000
	us-gaap	Other Real Estate Non Covered Additions OtherRealEstateNonCoveredAdditions	4262000
	us-gaap	Other Real Estate Non Covered Additions OtherRealEstateNonCoveredAdditions	9610000
	us-gaap	Other Real Estate Non Covered Valuation Adjustments OtherRealEstateNonCoveredValuationAdjustments	512000
	us-gaap	Other Real Estate Non Covered Valuation Adjustments OtherRealEstateNonCoveredValuationAdjustments	727000
	us-gaap	Other Real Estate Non Covered Disposals OtherRealEstateNonCoveredDisposals	7424000
	us-gaap	Other Real Estate Non Covered Disposals OtherRealEstateNonCoveredDisposals	6878000
	ssb	Other Real Estate Non Covered Reclassification Of Bank Property Held For Sale OtherRealEstateNonCoveredReclassificationOfBankPropertyHeldForSale	4741000
	ssb	Other Real Estate Non Covered Reclassification Of Bank Property Held For Sale OtherRealEstateNonCoveredReclassificationOfBankPropertyHeldForSale	4991000
CY2020Q3	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	13480000
CY2019Q3	us-gaap	Other Real Estate Non Covered OtherRealEstateNonCovered	8424000
CY2020Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	55
CY2019Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	72
CY2020Q2	ssb	Other Real Estate Non Covered Reclassification Of Bank Property Held For Sale OtherRealEstateNonCoveredReclassificationOfBankPropertyHeldForSale	-4700000
CY2020Q2	ssb	Number Of Properties Held For Sale NumberOfPropertiesHeldForSale	11
	ssb	Other Real Estate Non Covered Reclassification Of Bank Property Held For Sale OtherRealEstateNonCoveredReclassificationOfBankPropertyHeldForSale	5000000.0
	ssb	Number Of Properties Held For Sale NumberOfPropertiesHeldForSale	10
CY2020Q3	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	4100000
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	121600000
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	126100000
	us-gaap	Lessee Operating Lease Existence Of Option To Extend LesseeOperatingLeaseExistenceOfOptionToExtend	true
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	125000
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	172000
CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	19000
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	24000
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	4557000
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2241000
	us-gaap	Operating Lease Cost OperatingLeaseCost	9873000
	us-gaap	Operating Lease Cost OperatingLeaseCost	6560000
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	253000
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	120000
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	450000
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	396000
CY2020Q3	us-gaap	Variable Lease Cost VariableLeaseCost	370000
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	151000
	us-gaap	Variable Lease Cost VariableLeaseCost	739000
	us-gaap	Variable Lease Cost VariableLeaseCost	337000
CY2020Q3	us-gaap	Lease Cost LeaseCost	5324000
CY2019Q3	us-gaap	Lease Cost LeaseCost	2512000
	us-gaap	Lease Cost LeaseCost	11258000
	us-gaap	Lease Cost LeaseCost	7293000
CY2020Q3	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	19000
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	27000
CY2020Q3	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	109000
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	150000
CY2020Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	4307000
CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	1996000
	us-gaap	Operating Lease Payments OperatingLeasePayments	8763000
	us-gaap	Operating Lease Payments OperatingLeasePayments	5804000
CY2020Q3	ssb	Increase Decrease In Operating Cash Flow Change In Asset And Liability IncreaseDecreaseInOperatingCashFlowChangeInAssetAndLiability	-3290000
CY2019Q3	ssb	Increase Decrease In Operating Cash Flow Change In Asset And Liability IncreaseDecreaseInOperatingCashFlowChangeInAssetAndLiability	248000
	ssb	Increase Decrease In Operating Cash Flow Change In Asset And Liability IncreaseDecreaseInOperatingCashFlowChangeInAssetAndLiability	-5968000
	ssb	Increase Decrease In Operating Cash Flow Change In Asset And Liability IncreaseDecreaseInOperatingCashFlowChangeInAssetAndLiability	504000
CY2020Q3	ssb	Right Of Use Asset Obtained During Period RightOfUseAssetObtainedDuringPeriod	1475000
CY2019Q3	ssb	Right Of Use Asset Obtained During Period RightOfUseAssetObtainedDuringPeriod	5289000
	ssb	Right Of Use Asset Obtained During Period RightOfUseAssetObtainedDuringPeriod	41211000
	ssb	Right Of Use Asset Obtained During Period RightOfUseAssetObtainedDuringPeriod	10239000
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	5374000
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M28D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y7M6D
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P14Y3M18D
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.017
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	4257000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	16381000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	15054000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	14041000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	12789000
CY2020Q3	ssb	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	92814000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	155336000
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29278000
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	126058000
CY2020Q3	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	3841404000
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	1651399000
CY2019Q3	us-gaap	Interest Bearing Domestic Deposit Certificates Of Deposits InterestBearingDomesticDepositCertificatesOfDeposits	1709175000
CY2020Q3	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	13819204000
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	5966496000
CY2019Q3	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	5682129000
CY2020Q3	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	9681095000
CY2019Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	3245306000
CY2019Q3	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	3307532000
CY2020Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2618877000
CY2019Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1309896000
CY2019Q3	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	1317705000
CY2020Q3	ssb	Other Time Deposits OtherTimeDeposits	9374000
CY2019Q4	ssb	Other Time Deposits OtherTimeDeposits	3999000
CY2019Q3	ssb	Other Time Deposits OtherTimeDeposits	7246000
CY2020Q3	us-gaap	Deposits Deposits	29969954000
CY2019Q4	us-gaap	Deposits Deposits	12177096000
CY2019Q3	us-gaap	Deposits Deposits	12023787000
CY2020Q3	ssb	Certificates Of Deposit250000 Or More CertificatesOfDeposit250000OrMore	832400000
CY2019Q4	ssb	Certificates Of Deposit250000 Or More CertificatesOfDeposit250000OrMore	303200000
CY2019Q3	ssb	Certificates Of Deposit250000 Or More CertificatesOfDeposit250000OrMore	316400000
CY2020Q3	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	600000000.0
CY2019Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	0
CY2019Q3	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	1300000
CY2019Q2	ssb	Defined Contribution Plan Termination Expense DefinedContributionPlanTerminationExpense	9500000
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	-7700000
	ssb	Defined Pension Plan Write Off Of Assets DefinedPensionPlanWriteOffOfAssets	1800000
CY2018	ssb	Defined Contribution Plan Employer Contribution Percent DefinedContributionPlanEmployerContributionPercent	1
CY2018	ssb	Defined Contribution Plan Employer Discretionary Matching Contribution Percent DefinedContributionPlanEmployerDiscretionaryMatchingContributionPercent	2
	ssb	Defined Contribution Plan Employer Discretionary Matching Contribution Percent DefinedContributionPlanEmployerDiscretionaryMatchingContributionPercent	0.375
CY2020Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3500000
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	7800000
CY2019Q3	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1700000
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4700000
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	95221000
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	51565000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34396000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	137392000
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	70905000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34057000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49330000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34859000
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.34
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.51
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.94
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	95221000
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	51565000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	34396000
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	137392000
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	70905000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34057000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49330000
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	34859000
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	171000
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	243000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	306000
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	210000
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71076000
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	34300000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49636000
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35069000
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.34
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.50
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.69
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.92
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	141116
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	62235
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	136844
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	63313
CY2020Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	52.28
CY2020Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	91.35
CY2019Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	87.30
CY2019Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	91.35
	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	61.42
	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	91.35
	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	69.48
	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	91.35
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1529000
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1529000
CY2020Q3	ssb	Commitments To Extend Credit And Standby Letters Of Credit CommitmentsToExtendCreditAndStandbyLettersOfCredit	5900000000
CY2020Q3	ssb	Liability Recorded For Expected Credit Losses On Unfunded Commitments LiabilityRecordedForExpectedCreditLossesOnUnfundedCommitments	43200000
CY2020Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	18997759000
	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	953036000
	us-gaap	Derivative Loss On Derivative DerivativeLossOnDerivative	979155000
CY2019Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	2001184000
	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	24402000
	us-gaap	Derivative Loss On Derivative DerivativeLossOnDerivative	43373000
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	2800000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-21800000
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-4100000
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-15200000
	us-gaap	Derivative Excluded Component Gain Loss Recognized In Earnings DerivativeExcludedComponentGainLossRecognizedInEarnings	0
CY2019Q3	us-gaap	Derivative Excluded Component Gain Loss Recognized In Earnings DerivativeExcludedComponentGainLossRecognizedInEarnings	0
	us-gaap	Derivative Excluded Component Gain Loss Recognized In Earnings DerivativeExcludedComponentGainLossRecognizedInEarnings	0
CY2020Q3	us-gaap	Derivative Excluded Component Gain Loss Recognized In Earnings DerivativeExcludedComponentGainLossRecognizedInEarnings	0
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
CY2019Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
CY2020Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
CY2020Q3	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	931400000
CY2020Q3	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	935000000.0
CY2020Q3	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	3600000
CY2019Q3	us-gaap	Interest Rate Derivative Assets At Fair Value InterestRateDerivativeAssetsAtFairValue	21700000
CY2019Q3	us-gaap	Interest Rate Derivative Liabilities At Fair Value InterestRateDerivativeLiabilitiesAtFairValue	23500000
CY2019Q3	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	1800000
CY2019Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
CY2020Q3	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	389000
	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-86000
CY2020Q3	ssb	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2019Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	6
CY2020Q3	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	4
CY2020Q3	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	8
CY2019Q1	ssb	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Capital Conversion Buffer CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsCapitalConversionBuffer	0.025
CY2020Q3	ssb	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	2940041000
CY2020Q3	ssb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1148
CY2020Q3	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	1664927000
CY2020Q3	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2020Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	2940041000
CY2020Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	11.48
CY2020Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	2049141000
CY2020Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2020Q3	us-gaap	Capital Capital	3550019000
CY2020Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	13.86
CY2020Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	2561427000
CY2020Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	10.00
CY2020Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	2940041000
CY2020Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	8.12
CY2020Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	1809663000
CY2020Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	5.00
CY2019Q4	ssb	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	1326725000
CY2019Q4	ssb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1130
CY2019Q4	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	763495000
CY2019Q4	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1438995000
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	12.25
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	939686000
CY2019Q4	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2019Q4	us-gaap	Capital Capital	1501321000
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	12.78
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	1174607000
CY2019Q4	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	10.00
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1438995000
CY2019Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	9.73
CY2019Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	739664000
CY2019Q4	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	5.00
CY2019Q3	ssb	Common Equity Tier One Risk Based Capital CommonEquityTierOneRiskBasedCapital	1302034000
CY2019Q3	ssb	Common Equity Tier One Risk Based Capital To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalToRiskWeightedAssets	0.1122
CY2019Q3	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalized	754257000
CY2019Q3	ssb	Common Equity Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.0650
CY2019Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	1414138000
CY2019Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	12.19
CY2019Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized TierOneRiskBasedCapitalRequiredToBeWellCapitalized	928316000
CY2019Q3	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	8.00
CY2019Q3	us-gaap	Capital Capital	1474728000
CY2019Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	12.71
CY2019Q3	us-gaap	Capital Required To Be Well Capitalized CapitalRequiredToBeWellCapitalized	1160395000
CY2019Q3	us-gaap	Capital Required To Be Well Capitalized To Risk Weighted Assets CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	10.00
CY2019Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	1414138000
CY2019Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	9.72
CY2019Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized TierOneLeverageCapitalRequiredToBeWellCapitalized	727232000
CY2019Q3	us-gaap	Tier One Leverage Capital Required To Be Well Capitalized To Average Assets TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets	5.00
CY2020Q3	us-gaap	Goodwill Goodwill	1600000000
CY2019Q3	us-gaap	Goodwill Goodwill	1000000000.0
CY2019Q4	us-gaap	Goodwill Goodwill	1000000000.0
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	258162000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	119501000
CY2019Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	119501000
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	86525000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	69685000
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	66418000
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	171637000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	49816000
CY2019Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	53083000
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9600000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17200000
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3300000
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	9800000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense Next Three Months FiniteLivedIntangibleAssetsAmortizationExpenseNextThreeMonths	9437000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense Quarter Two FiniteLivedIntangibleAssetsAmortizationExpenseQuarterTwo	8831000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense Quarter Three FiniteLivedIntangibleAssetsAmortizationExpenseQuarterThree	8613000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense Quarter Four FiniteLivedIntangibleAssetsAmortizationExpenseQuarterFour	8201000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense Quarter Five FiniteLivedIntangibleAssetsAmortizationExpenseQuarterFive	8200000
CY2020Q3	ssb	Finite Lived Intangible Assets Amortization Expense After Quarter Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterQuarterFive	128355000
CY2020Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	171637000
CY2020Q3	ssb	Mortgage Loan Sold MortgageLoanSold	1300000000
	ssb	Mortgage Loan Sold MortgageLoanSold	2000000000.0
CY2019Q3	ssb	Mortgage Loan Sold MortgageLoanSold	216100000
	ssb	Mortgage Loan Sold MortgageLoanSold	517900000
CY2020Q3	ssb	Mortgage Loan Securitizations And Sales MortgageLoanSecuritizationsAndSales	1100000000
	ssb	Mortgage Loan Securitizations And Sales MortgageLoanSecuritizationsAndSales	1700000000
CY2020Q3	ssb	Percentage Of Mortgage Loan Securitizations And Sales PercentageOfMortgageLoanSecuritizationsAndSales	0.872
	ssb	Percentage Of Mortgage Loan Securitizations And Sales PercentageOfMortgageLoanSecuritizationsAndSales	0.863
CY2019Q3	ssb	Mortgage Loan Securitizations And Sales MortgageLoanSecuritizationsAndSales	175900000
	ssb	Mortgage Loan Securitizations And Sales MortgageLoanSecuritizationsAndSales	412400000
CY2019Q3	ssb	Percentage Of Mortgage Loan Securitizations And Sales PercentageOfMortgageLoanSecuritizationsAndSales	0.814
	ssb	Percentage Of Mortgage Loan Securitizations And Sales PercentageOfMortgageLoanSecuritizationsAndSales	0.796
	us-gaap	Schedule Of Repurchase Agreements ScheduleOfRepurchaseAgreements	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><b style="font-weight:bold;">Note 21 – Repurchase Agreements</b></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">Securities sold under agreements to repurchase (“repurchase agreements”) represent funds received from customers, generally on an overnight or continuous basis, which are collateralized by investment securities owned or, at times, borrowed and re-hypothecated by the Company. Repurchase agreements are subject to terms and conditions of the master repurchase agreements between the Company and the client and are accounted for as secured borrowings. Repurchase agreements are included in federal funds purchased and securities sold under agreements to repurchase on the condensed consolidated balance sheets. </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;margin:0pt;"><span style="visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-indent:36pt;margin:0pt;">At September 30, 2020, December 31, 2019 and September 30, 2019, our repurchase agreements totaled $355.0 million, $242.2 million, and $235.5 million, respectively. All of our repurchase agreements were overnight or continuous (until-further-notice) agreements at September 30, 2020, December 31, 2019 and September <span style="white-space:pre-wrap;">30, 2019. These borrowings were collateralized with government, government-sponsored enterprise, or state and political subdivision-issued securities with a carrying value of </span>$412.3 million, $242.2 million and $235.5 million at September 30, 2020, December 31, 2019 and September 30, 2019, respectively. Declines in the value of the collateral would require us to increase the amounts of securities pledged.</p>
CY2020Q3	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	355000000.0
CY2019Q4	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	242200000
CY2019Q3	us-gaap	Secured Debt Repurchase Agreements SecuredDebtRepurchaseAgreements	235500000
CY2020Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	412300000
CY2019Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	242200000
CY2019Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Repurchase Agreements PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForRepurchaseAgreements	235500000

Files In Submission

Name	View Source	Status
0001558370-20-013071-index-headers.html	Edgar Link	pending
0001558370-20-013071-index.html	Edgar Link	pending
0001558370-20-013071.txt	Edgar Link	pending
0001558370-20-013071-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
ssb-20200930.xsd	Edgar Link	pending
ssb-20200930x10q.htm	Edgar Link	pending
ssb-20200930x10q001.jpg	Edgar Link	pending
ssb-20200930x10q_htm.xml	Edgar Link	completed
ssb-20200930xex31d1.htm	Edgar Link	pending
ssb-20200930xex31d2.htm	Edgar Link	pending
ssb-20200930xex32.htm	Edgar Link	pending
ssb-20200930_cal.xml	Edgar Link	unprocessable
ssb-20200930_def.xml	Edgar Link	unprocessable
ssb-20200930_lab.xml	Edgar Link	unprocessable
ssb-20200930_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$SSB
SouthState Corp Stock $ssb

2020 Q4 Form 10-Q Financial Statement

#000155837020013071 Filed on November 06, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SSB SouthState Corp Stock $ssb

2020 Q4 Form 10-Q Financial Statement

#000155837020013071 Filed on November 06, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SSB
SouthState Corp Stock $ssb