$TCBI
TEXAS CAPITAL BANCSHARES INC/TX Stock $tcbi

$tcbi Overview Financials Valuation SEC Filings Company Website

2020 Q4 Form 10-Q Financial Statement

#000107742820000124 Filed on October 22, 2020

Income Statement

Concept	2020 Q4	2020 Q3	2019 Q3
Revenue	$245.3M	$241.6M	$355.1M
YoY Change	-27.36%	-31.98%	17.68%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development		$31.10M	$10.81M
YoY Change		187.81%	45.33%
% of Gross Profit
Depreciation & Amortization	$23.20M	$20.40M	$9.900M
YoY Change	101.74%	106.06%	15.12%
% of Gross Profit
Operating Expenses		$31.10M	$10.81M
YoY Change		187.81%	45.33%
Operating Profit
YoY Change
Interest Expense	$32.15M	$36.16M	$102.9M
YoY Change	-64.02%	-64.87%	47.94%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$83.01M	$72.18M	$112.0M
YoY Change	2.53%	-35.58%	3.22%
Income Tax	$22.83M	$15.06M	$23.96M
% Of Pretax Income	27.51%	20.87%	21.38%
Net Earnings	$60.18M	$57.12M	$88.08M
YoY Change	-6.59%	-35.16%	2.96%
Net Earnings / Revenue	24.53%	23.65%	24.8%
Basic Earnings Per Share	$1.14	$1.08	$1.70
Diluted Earnings Per Share	$1.14	$1.08	$1.70
COMMON SHARES
Basic Shares Outstanding	50.46M shares	50.45M shares	50.31M shares
Diluted Shares Outstanding		50.57M shares	50.42M shares

Balance Sheet

Concept	2020 Q4	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$9.206B	$10.65B	$5.209B
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	$24.55M	$26.65M	$32.67M
YoY Change	-21.36%	-18.41%	36.09%
Goodwill	$15.09M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$37.73B	$38.43B	$33.53B
YoY Change	15.91%	14.63%	23.59%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.00M	$15.00M	$34.00M
YoY Change	-15.38%	-55.88%	100.0%
Accrued Expenses			$98.00M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$112.0M	$208.0M	$140.0M
YoY Change	-21.13%	48.57%	-71.25%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$11.00M	$15.00M	$132.0M
YoY Change	-15.38%	-88.64%	676.47%
LONG-TERM LIABILITIES
Long-Term Debt	$396.0M	$396.0M	$395.0M
YoY Change	0.0%	0.25%	0.0%
Other Long-Term Liabilities	$339.0M	$354.0M	$188.0M
YoY Change	6.6%	88.3%	-12.96%
Total Long-Term Liabilities	$735.0M	$750.0M	$583.0M
YoY Change	2.94%	28.64%	-4.58%
TOTAL LIABILITIES
Total Short-Term Liabilities	$11.00M	$15.00M	$132.0M
Total Long-Term Liabilities	$735.0M	$750.0M	$583.0M
Total Liabilities	$34.85B	$35.63B	$30.77B
YoY Change	17.17%	15.81%	24.57%
SHAREHOLDERS EQUITY
Retained Earnings	$1.713B	$1.655B	$1.602B
YoY Change	2.97%	3.35%	22.08%
Common Stock	$504.0K	$504.0K	$503.0K
YoY Change	0.2%	0.2%	0.2%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$8.000K	$8.000K	$8.000K
YoY Change	0.0%	0.0%	0.0%
Treasury Stock Shares	417.0 shares	417.0 shares	417.0 shares
Shareholders Equity	$2.871B	$2.800B	$2.736B
YoY Change
Total Liabilities & Shareholders Equity	$37.73B	$38.43B	$33.53B
YoY Change	15.91%	14.63%	23.59%

Cashflow Statement

Concept	2020 Q4	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	$60.18M	$57.12M	$88.08M
YoY Change	-6.59%	-35.16%	2.96%
Depreciation, Depletion And Amortization	$23.20M	$20.40M	$9.900M
YoY Change	101.74%	106.06%	15.12%
Cash From Operating Activities	$470.1M	-$83.00M	-$1.456B
YoY Change	148.2%	-94.3%	500.95%
INVESTING ACTIVITIES
Capital Expenditures	-$100.0K	-$400.0K	-$6.200M
YoY Change	-94.12%	-93.55%	1140.0%
Acquisitions
YoY Change
Other Investing Activities	-$1.148B	-$768.0M	-$417.6M
YoY Change	-1902.83%	83.91%	-218.84%
Cash From Investing Activities	-$1.149B	-$768.4M	-$423.9M
YoY Change	-1952.42%	81.27%	-220.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-762.0M	1.782B	3.444B
YoY Change	-26.38%	-48.27%	-537.9%
NET CHANGE
Cash From Operating Activities	470.1M	-83.00M	-1.456B
Cash From Investing Activities	-1.149B	-768.4M	-423.9M
Cash From Financing Activities	-762.0M	1.782B	3.444B
Net Change In Cash	-1.440B	930.2M	1.565B
YoY Change	83.79%	-40.55%	-330.88%
FREE CASH FLOW
Cash From Operating Activities	$470.1M	-$83.00M	-$1.456B
Capital Expenditures	-$100.0K	-$400.0K	-$6.200M
Free Cash Flow	$470.2M	-$82.60M	-$1.449B
YoY Change	146.05%	-94.3%	499.63%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Entity Central Index Key EntityCentralIndexKey	0001077428
	dei	Entity Registrant Name EntityRegistrantName	TEXAS CAPITAL BANCSHARES INC/TX
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50338158	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50455969	shares
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	2571300000	USD
CY2020Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	639000000	USD
CY2019Q4	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1000	USD
CY2020Q3	us-gaap	Preferred Stock Liquidation Preference Value PreferredStockLiquidationPreferenceValue	1000	USD
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	6000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	6000000	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	417	shares
CY2020Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	417	shares
	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	001-34657
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	75-2679109
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2000 McKinney Avenue
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 700
	dei	Entity Address City Or Town EntityAddressCityOrTown	Dallas
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Country EntityAddressCountry	US
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75201
	dei	City Area Code CityAreaCode	214
	dei	Local Phone Number LocalPhoneNumber	932-6600
	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	50459457	shares
CY2020Q3	us-gaap	Cash And Due From Banks CashAndDueFromBanks	185242000	USD
CY2019Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	161817000	USD
CY2020Q3	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	10461544000	USD
CY2019Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	4233766000	USD
CY2020Q3	us-gaap	Federal Funds Sold FederalFundsSold	0	USD
CY2019Q4	us-gaap	Federal Funds Sold FederalFundsSold	30000000	USD
CY2020Q3	us-gaap	Investments Investments	1367313000	USD
CY2019Q4	us-gaap	Investments Investments	239871000	USD
CY2020Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	648009000	USD
CY2019Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	2577134000	USD
CY2020Q3	tcbi	Mortgage Finance MortgageFinance	9378104000	USD
CY2019Q4	tcbi	Mortgage Finance MortgageFinance	8169849000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	15789958000	USD
CY2019Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	16476413000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	195047000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	290165000	USD
CY2020Q3	us-gaap	Notes Receivable Net NotesReceivableNet	24877897000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	24451215000	USD
CY2020Q3	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	95323000	USD
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	64904000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26653000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	31212000	USD
CY2020Q3	us-gaap	Other Assets OtherAssets	753123000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	740051000	USD
CY2020Q3	tcbi	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	17768000	USD
CY2019Q4	tcbi	Goodwill And Intangible Assets Net GoodwillAndIntangibleAssetsNet	18099000	USD
CY2020Q3	us-gaap	Assets Assets	38432872000	USD
CY2019Q4	us-gaap	Assets Assets	32548069000	USD
CY2020Q3	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	12339212000	USD
CY2019Q4	us-gaap	Noninterest Bearing Deposit Liabilities Domestic NoninterestBearingDepositLiabilitiesDomestic	9438459000	USD
CY2020Q3	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	19620275000	USD
CY2019Q4	us-gaap	Interest Bearing Deposit Liabilities Domestic InterestBearingDepositLiabilitiesDomestic	17040134000	USD
CY2020Q3	us-gaap	Deposits Deposits	31959487000	USD
CY2019Q4	us-gaap	Deposits Deposits	26478593000	USD
CY2020Q3	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	14674000	USD
CY2019Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	12760000	USD
CY2020Q3	us-gaap	Other Liabilities OtherLiabilities	354318000	USD
CY2019Q4	us-gaap	Other Liabilities OtherLiabilities	318094000	USD
CY2020Q3	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	208183000	USD
CY2019Q4	us-gaap	Federal Funds Purchased And Securities Sold Under Agreements To Repurchase FederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase	141766000	USD
CY2020Q3	us-gaap	Other Borrowings OtherBorrowings	2700000000	USD
CY2019Q4	us-gaap	Other Borrowings OtherBorrowings	2400000000	USD
CY2020Q3	us-gaap	Senior Notes SeniorNotes	282400000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	282129000	USD
CY2020Q3	us-gaap	Subordinated Debt SubordinatedDebt	113406000	USD
CY2019Q4	us-gaap	Subordinated Debt SubordinatedDebt	113406000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	35632468000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	29746748000	USD
CY2020Q3	us-gaap	Preferred Stock Value PreferredStockValue	150000000	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	150000000	USD
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	504000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	503000	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	987754000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	978205000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1655317000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1663671000	USD
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	8000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	8000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6837000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	8950000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2800404000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2801321000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	38432872000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	32548069000	USD
CY2020Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	237179000	USD
CY2019Q3	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	329344000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	768399000	USD
	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	971889000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	3674000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	2316000	USD
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	7881000	USD
	us-gaap	Interest And Dividend Income Securities InterestAndDividendIncomeSecurities	6036000	USD
CY2020Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	1000	USD
CY2019Q3	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	554000	USD
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	692000	USD
	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	1090000	USD
CY2020Q3	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	2877000	USD
CY2019Q3	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	22887000	USD
	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	24777000	USD
	us-gaap	Interest Income Domestic Deposits InterestIncomeDomesticDeposits	48540000	USD
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	243731000	USD
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	355101000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	801749000	USD
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1027555000	USD
CY2020Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	27830000	USD
CY2019Q3	us-gaap	Interest Expense Deposits InterestExpenseDeposits	80967000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	122298000	USD
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	222550000	USD
CY2020Q3	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	128000	USD
CY2019Q3	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	1835000	USD
	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	973000	USD
	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	10553000	USD
CY2020Q3	us-gaap	Interest Expense Other InterestExpenseOther	3365000	USD
CY2019Q3	us-gaap	Interest Expense Other InterestExpenseOther	14703000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	17516000	USD
	us-gaap	Interest Expense Other InterestExpenseOther	46681000	USD
CY2020Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4191000	USD
CY2019Q3	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	4191000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	12573000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	226000000	USD
CY2020Q3	tcbi	Fees And Commissions Service Charges On Depositor Accounts FeesAndCommissionsServiceChargesOnDepositorAccounts	2864000	USD
	us-gaap	Interest Expense Subordinated Notes And Debentures InterestExpenseSubordinatedNotesAndDebentures	12573000	USD
CY2020Q3	us-gaap	Interest Expense Trust Preferred Securities InterestExpenseTrustPreferredSecurities	648000	USD
CY2019Q3	us-gaap	Interest Expense Trust Preferred Securities InterestExpenseTrustPreferredSecurities	1237000	USD
	us-gaap	Interest Expense Trust Preferred Securities InterestExpenseTrustPreferredSecurities	2573000	USD
	us-gaap	Interest Expense Trust Preferred Securities InterestExpenseTrustPreferredSecurities	3863000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	36162000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	102933000	USD
	us-gaap	Interest Expense InterestExpense	155933000	USD
	us-gaap	Interest Expense InterestExpense	296220000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	207569000	USD
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	252168000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	645816000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	731335000	USD
CY2020Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	30000000	USD
CY2019Q3	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	11000000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	58000000	USD
CY2020Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	177569000	USD
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	241168000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	419816000	USD
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	673335000	USD
CY2019Q3	tcbi	Fees And Commissions Service Charges On Depositor Accounts FeesAndCommissionsServiceChargesOnDepositorAccounts	2707000	USD
	tcbi	Fees And Commissions Service Charges On Depositor Accounts FeesAndCommissionsServiceChargesOnDepositorAccounts	8616000	USD
	tcbi	Fees And Commissions Service Charges On Depositor Accounts FeesAndCommissionsServiceChargesOnDepositorAccounts	8535000	USD
CY2020Q3	tcbi	Wealth Management And Trust Fee Income WealthManagementAndTrustFeeIncome	2502000	USD
CY2019Q3	tcbi	Wealth Management And Trust Fee Income WealthManagementAndTrustFeeIncome	2330000	USD
	tcbi	Wealth Management And Trust Fee Income WealthManagementAndTrustFeeIncome	7317000	USD
	tcbi	Wealth Management And Trust Fee Income WealthManagementAndTrustFeeIncome	6468000	USD
CY2020Q3	tcbi	Mortgage And Premium Finance Loan Fees MortgageAndPremiumFinanceLoanFees	15034000	USD
CY2019Q3	tcbi	Mortgage And Premium Finance Loan Fees MortgageAndPremiumFinanceLoanFees	8691000	USD
	tcbi	Mortgage And Premium Finance Loan Fees MortgageAndPremiumFinanceLoanFees	33813000	USD
	tcbi	Mortgage And Premium Finance Loan Fees MortgageAndPremiumFinanceLoanFees	21093000	USD
CY2020Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	7329000	USD
CY2019Q3	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	3549000	USD
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	18195000	USD
	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	9409000	USD
CY2020Q3	tcbi	Fees And Commissions Swap Fees FeesAndCommissionsSwapFees	484000	USD
CY2019Q3	tcbi	Fees And Commissions Swap Fees FeesAndCommissionsSwapFees	1196000	USD
	tcbi	Fees And Commissions Swap Fees FeesAndCommissionsSwapFees	4709000	USD
	tcbi	Fees And Commissions Swap Fees FeesAndCommissionsSwapFees	2828000	USD
CY2020Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	25242000	USD
CY2019Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-6011000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	51265000	USD
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	-12502000	USD
CY2020Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	6893000	USD
CY2019Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	7839000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	18715000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	38848000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	60348000	USD
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	20301000	USD
	us-gaap	Noninterest Income NoninterestIncome	142630000	USD
	us-gaap	Noninterest Income NoninterestIncome	74679000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	84096000	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	80722000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	262080000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	238235000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	8736000	USD
CY2019Q3	us-gaap	Occupancy Net OccupancyNet	8125000	USD
	us-gaap	Occupancy Net OccupancyNet	26582000	USD
	us-gaap	Occupancy Net OccupancyNet	23914000	USD
CY2020Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	3636000	USD
CY2019Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	14753000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	20146000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	40548000	USD
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	11207000	USD
CY2019Q3	us-gaap	Professional Fees ProfessionalFees	11394000	USD
	us-gaap	Professional Fees ProfessionalFees	40003000	USD
	us-gaap	Professional Fees ProfessionalFees	31428000	USD
CY2020Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	31098000	USD
CY2019Q3	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	10805000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	87649000	USD
	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	31025000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6374000	USD
CY2019Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	5220000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	19363000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	14480000	USD
CY2020Q3	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	12287000	USD
CY2019Q3	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	8165000	USD
	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	48758000	USD
	us-gaap	Expense Related To Distribution Or Servicing And Underwriting Fees ExpenseRelatedToDistributionOrServicingAndUnderwritingFees	19613000	USD
CY2020Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2019Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	17756000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2438000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7313000	USD
	us-gaap	Net Income Loss NetIncomeLoss	247595000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7313000	USD
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	8307000	USD
CY2019Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10245000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	31173000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	33420000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2438000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	165741000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	149429000	USD
	us-gaap	Noninterest Expense NoninterestExpense	553510000	USD
	us-gaap	Noninterest Expense NoninterestExpense	432663000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	72176000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	112040000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8936000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	315351000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15060000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23958000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2823000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67756000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	57116000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	88082000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6113000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	54678000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	85644000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1200000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	240282000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	8053000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	884000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-2674000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	10752000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1692000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	186000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-561000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	2259000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6361000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	698000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2113000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8493000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	63477000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	88780000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	256088000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.02
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.78
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.77
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	2647071000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	88082000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	698000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	88780000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3023000	USD
CY2019Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2438000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-443000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2735993000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	2734755000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	57116000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	6361000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	63477000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4799000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2438000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-189000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2800404000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2480308000	USD
	us-gaap	Net Income Loss NetIncomeLoss	247595000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	8493000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	256088000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8565000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7313000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1655000	USD
	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	0	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2735993000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2801321000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6113000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-2113000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11348000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	7313000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-1798000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2800404000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6113000	USD
	us-gaap	Net Income Loss NetIncomeLoss	247595000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	226000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1140935000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	111131000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2169830000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-429596000	USD
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	58000000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	51716000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	26085000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	51265000	USD
	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-12502000	USD
	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	20933000	USD
	us-gaap	Servicing Asset At Amortized Value Valuation Allowance ServicingAssetAtAmortizedValueValuationAllowance	8360000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12064000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	12973000	USD
	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	8963499000	USD
	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	7288823000	USD
	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	10859458000	USD
	us-gaap	Proceeds From Sale And Collection Of Loans Heldforsale ProceedsFromSaleAndCollectionOfLoansHeldforsale	6534879000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	16912000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	156803000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	25222000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	115636000	USD
	tcbi	Principal Payments Received On Available For Sale Securities PrincipalPaymentsReceivedOnAvailableForSaleSecurities	12042000	USD
	tcbi	Principal Payments Received On Available For Sale Securities PrincipalPaymentsReceivedOnAvailableForSaleSecurities	5534000	USD
	tcbi	Payments For Originations Of Mortgage Finance Loans PaymentsForOriginationsOfMortgageFinanceLoans	157016926000	USD
	tcbi	Payments For Originations Of Mortgage Finance Loans PaymentsForOriginationsOfMortgageFinanceLoans	99799613000	USD
	tcbi	Proceeds From Sale And Collection Of Mortgage Finance Loans ProceedsFromSaleAndCollectionOfMortgageFinanceLoans	155808671000	USD
	tcbi	Proceeds From Sale And Collection Of Mortgage Finance Loans ProceedsFromSaleAndCollectionOfMortgageFinanceLoans	97725705000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-553026000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	143741000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2705000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15047000	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	0	USD
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	79000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1786827000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2338214000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	5480894000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	6807190000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1798000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1655000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7313000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7313000	USD
	us-gaap	Proceeds From Other Short Term Debt ProceedsFromOtherShortTermDebt	300000000	USD
	us-gaap	Repayments Of Other Short Term Debt RepaymentsOfOtherShortTermDebt	1400000000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	-66417000	USD
	us-gaap	Increase Decrease In Federal Funds Purchased IncreaseDecreaseInFederalFundsPurchased	501207000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5838200000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4897015000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	6221203000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	2129205000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4425583000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3080065000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10646786000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5209270000	USD
	us-gaap	Interest Paid Net InterestPaidNet	154019000	USD
	us-gaap	Interest Paid Net InterestPaidNet	282559000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	21747000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	85314000	USD
CY2019Q4	us-gaap	Other Liabilities OtherLiabilities	318094000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	29746748000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1663671000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	2801321000	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	80722000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	238235000	USD
CY2019Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10245000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	33420000	USD
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	149429000	USD
	us-gaap	Noninterest Expense NoninterestExpense	432663000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	112040000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	315351000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	88082000	USD
	us-gaap	Net Income Loss NetIncomeLoss	247595000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	85644000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	240282000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	88780000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	256088000	USD
CY2019Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1516044000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1361406000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	2647071000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	2480308000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1601688000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1601688000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2735993000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2735993000	USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Redemption Value RedeemableNoncontrollingInterestEquityRedemptionValue	7200000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	195047000	USD
CY2020Q1	us-gaap	Notes Receivable Net NotesReceivableNet	24451215000	USD
CY2020Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	21064000	USD
CY2020Q1	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	8640000	USD
CY2020Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1663671000	USD
	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:12px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-top:6px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements. Actual results could differ from those estimates. The allowance for credit losses, the fair value of financial instruments and the status of contingencies are particularly susceptible to significant change.</span></div>
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	57116000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	88082000	USD
	us-gaap	Net Income Loss NetIncomeLoss	6113000	USD
	us-gaap	Net Income Loss NetIncomeLoss	247595000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2438000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2438000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7313000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	7313000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	54678000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	85644000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-1200000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	240282000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50446691	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50305844	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50417563	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50273485	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	126382	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	110558	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	103984	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	119277	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50573073	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50416402	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50521547	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50392762	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.70
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.02
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.78
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.70
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.02
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.77
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	480062	shares
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	107615	shares
CY2020Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1328955000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	16348000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7694000	USD
CY2020Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1337609000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	202929000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	14077000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2749000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	214257000	USD
CY2020Q3	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	1328955000	USD
CY2020Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	1337609000	USD
CY2019Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	202929000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	214257000	USD
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	1003157000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4039000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	11058000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3655000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1014215000	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	7694000	USD
CY2020Q3	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	29700000	USD
CY2019Q4	us-gaap	Available For Sale Securities Equity Securities AvailableForSaleSecuritiesEquitySecurities	25600000	USD
CY2020Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	1350000	USD
CY2019Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	37000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	1285000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	1876000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	-177000	USD
CY2019Q3	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	-111000	USD
	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	68000	USD
	us-gaap	Gain Loss On Sale Of Equity Investments GainLossOnSaleOfEquityInvestments	-87000	USD
CY2020Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	1173000	USD
CY2019Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-74000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	1353000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	1789000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	290165000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	195047000	USD
CY2020Q3	us-gaap	Notes Receivable Net NotesReceivableNet	24877897000	USD
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	25246686000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	24736642000	USD
CY2020Q3	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	78624000	USD
CY2019Q4	us-gaap	Financing Receivable Deferred Income FinancingReceivableDeferredIncome	90380000	USD
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	24451215000	USD
CY2020Q3	us-gaap	Participating Mortgage Loans Mortgage Obligations Amount ParticipatingMortgageLoansMortgageObligationsAmount	1100000000	USD
CY2019Q4	us-gaap	Participating Mortgage Loans Mortgage Obligations Amount ParticipatingMortgageLoansMortgageObligationsAmount	682700000	USD
CY2020Q3	us-gaap	Interest Receivable InterestReceivable	57200000	USD
CY2019Q4	us-gaap	Interest Receivable InterestReceivable	63400000	USD
CY2020Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	2379810000	USD
CY2020Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	5451756000	USD
CY2020Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2953923000	USD
CY2020Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1957044000	USD
CY2020Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	886536000	USD
CY2020Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	7303702000	USD
CY2020Q3	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	4136792000	USD
CY2020Q3	tcbi	Financing Receivable Revolving Convertedto Term Loans FinancingReceivableRevolvingConvertedtoTermLoans	177123000	USD
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	25246686000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	195047000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	219962000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	135615000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2186000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	133429000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	290165000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	191522000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	60083000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	24984948000	USD
CY2020Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	25246686000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	62874000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	1407000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	61467000	USD
CY2019Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	190138000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1600000	USD
CY2020Q3	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	74313000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	99792000	USD
CY2020Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	161946000	USD
CY2020Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	69281000	USD
CY2020Q3	us-gaap	Debt Securities Held To Maturity90 Days Or More Past Due Still Accruing DebtSecuritiesHeldToMaturity90DaysOrMorePastDueStillAccruing	11900000	USD
CY2019	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	USD
	tcbi	Financing Receivable Nonaccrual Interest Income Reversed FinancingReceivableNonaccrualInterestIncomeReversed	1000000.0	USD
CY2020Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	225400000	USD
CY2020Q3	tcbi	Financing Receivable Modifications Non Accrual Loans Met Criteria For Restrucutred FinancingReceivableModificationsNonAccrualLoansMetCriteriaForRestrucutred	47700000	USD
CY2019Q4	tcbi	Financing Receivable Modifications Non Accrual Loans Met Criteria For Restrucutred FinancingReceivableModificationsNonAccrualLoansMetCriteriaForRestrucutred	35100000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	8	loan
CY2020Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	41737000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2	loan
CY2019Q3	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	5765000	USD
	us-gaap	Loans Receivable Held For Sale Reconciliation To Cash Flow Deductions From Held For Sale LoansReceivableHeldForSaleReconciliationToCashFlowDeductionsFromHeldForSale	6571942000	USD
CY2019Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2666666000	USD
CY2020Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	642312000	USD
CY2019Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	2568362000	USD
CY2018Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	1949785000	USD
	us-gaap	Loans Receivable Held For Sale Reconciliation To Cash Flow Additions To Held For Sale LoansReceivableHeldForSaleReconciliationToCashFlowAdditionsToHeldForSale	8963499000	USD
	us-gaap	Loans Receivable Held For Sale Reconciliation To Cash Flow Additions To Held For Sale LoansReceivableHeldForSaleReconciliationToCashFlowAdditionsToHeldForSale	7288823000	USD
	us-gaap	Loans Receivable Held For Sale Reconciliation To Cash Flow Deductions From Held For Sale LoansReceivableHeldForSaleReconciliationToCashFlowDeductionsFromHeldForSale	10889549000	USD
CY2019Q4	tcbi	Loans Held For Sale Fair Value Over Under Principal Amount Outstanding LoansHeldForSaleFairValueOverUnderPrincipalAmountOutstanding	8772000	USD
CY2018Q4	tcbi	Loans Held For Sale Fair Value Over Under Principal Amount Outstanding LoansHeldForSaleFairValueOverUnderPrincipalAmountOutstanding	19689000	USD
	tcbi	Loans Receivable Heldforsale Increase Decreasein Fair Value LoansReceivableHeldforsaleIncreaseDecreaseinFairValue	-3075000	USD
	tcbi	Loans Receivable Heldforsale Increase Decreasein Fair Value LoansReceivableHeldforsaleIncreaseDecreaseinFairValue	-12130000	USD
CY2020Q3	tcbi	Loans Held For Sale Fair Value Over Under Principal Amount Outstanding LoansHeldForSaleFairValueOverUnderPrincipalAmountOutstanding	5697000	USD
CY2019Q3	tcbi	Loans Held For Sale Fair Value Over Under Principal Amount Outstanding LoansHeldForSaleFairValueOverUnderPrincipalAmountOutstanding	7559000	USD
CY2020Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	648009000	USD
CY2019Q3	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	2674225000	USD
CY2020Q3	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	12700000000	USD
CY2019Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	6700000000	USD
CY2020Q3	us-gaap	Escrow Deposit EscrowDeposit	173500000	USD
CY2019Q4	us-gaap	Escrow Deposit EscrowDeposit	63700000	USD
CY2020Q3	tcbi	Sensitivity Analysisof Fair Value Transferors Interestsin Transferred Financial Assets Impactof50 Basis Points Adverse Changein Prepayment Speed SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactof50BasisPointsAdverseChangeinPrepaymentSpeed	-11049000	USD
CY2019Q4	tcbi	Sensitivity Analysisof Fair Value Transferors Interestsin Transferred Financial Assets Impactof50 Basis Points Adverse Changein Prepayment Speed SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactof50BasisPointsAdverseChangeinPrepaymentSpeed	-10768000	USD
CY2020Q3	tcbi	Sensitivity Analysisof Fair Value Transferors Interestsin Transferred Financial Assets Impactof100 Basis Points Adverse Changein Prepayment Speed SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactof100BasisPointsAdverseChangeinPrepaymentSpeed	-13100000	USD
CY2019Q4	tcbi	Sensitivity Analysisof Fair Value Transferors Interestsin Transferred Financial Assets Impactof100 Basis Points Adverse Changein Prepayment Speed SensitivityAnalysisofFairValueTransferorsInterestsinTransferredFinancialAssetsImpactof100BasisPointsAdverseChangeinPrepaymentSpeed	-17965000	USD
CY2020Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	1000000.0	USD
CY2019Q4	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	3600000	USD
	tcbi	Gain Loss On Repurchase Indemnificationand Make Whole Obligations GainLossOnRepurchaseIndemnificationandMakeWholeObligations	-7800000	USD
	tcbi	Gain Loss On Repurchase Indemnificationand Make Whole Obligations GainLossOnRepurchaseIndemnificationandMakeWholeObligations	-4500000	USD
CY2020Q2	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	12268000	USD
CY2019Q2	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	10790000	USD
CY2019Q4	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	8640000	USD
CY2018Q4	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	11434000	USD
CY2020Q3	tcbi	Financing Receivable Provision For Off Balance Sheet Credit Losses FinancingReceivableProvisionForOffBalanceSheetCreditLosses	2973000	USD
CY2019Q3	tcbi	Financing Receivable Provision For Off Balance Sheet Credit Losses FinancingReceivableProvisionForOffBalanceSheetCreditLosses	-1439000	USD
	tcbi	Financing Receivable Provision For Off Balance Sheet Credit Losses FinancingReceivableProvisionForOffBalanceSheetCreditLosses	6038000	USD
	tcbi	Financing Receivable Provision For Off Balance Sheet Credit Losses FinancingReceivableProvisionForOffBalanceSheetCreditLosses	-2083000	USD
CY2020Q3	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	15241000	USD
CY2019Q3	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	9351000	USD
CY2020Q3	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	15241000	USD
CY2019Q3	tcbi	Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability FinancingReceivableAllowanceForCreditLossesOffBalanceSheetLiability	9351000	USD
CY2009Q4	us-gaap	Assets Assets	15000000000.0	USD
CY2020Q3	tcbi	Common Equity Tier1 Capital CommonEquityTier1Capital	2654677000	USD
CY2020Q3	tcbi	Common Equity Tier1 Capitalto Risk Weighted Assets CommonEquityTier1CapitaltoRiskWeightedAssets	0.0905
CY2020Q3	us-gaap	Capital Capital	3470192000	USD
CY2020Q3	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1184
CY2020Q3	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	2914677000	USD
CY2020Q3	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.0994
CY2020Q3	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	2914677000	USD
CY2020Q3	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0758
CY2019Q4	tcbi	Common Equity Tier1 Capital CommonEquityTier1Capital	2653999000	USD
CY2019Q4	tcbi	Common Equity Tier1 Capitalto Risk Weighted Assets CommonEquityTier1CapitaltoRiskWeightedAssets	0.0888
CY2019Q4	us-gaap	Capital Capital	3398345000	USD
CY2019Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1137
CY2019Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	2912529000	USD
CY2019Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.0975
CY2019Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	2912529000	USD
CY2019Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0842
CY2020Q3	tcbi	Mortgage Finance MortgageFinance	9400000000	USD
CY2020Q3	tcbi	Mortgage Finance Average Balance MortgageFinanceAverageBalance	9100000000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5035000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4028000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12064000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12973000	USD
CY2020Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	33314000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y10M24D
CY2020Q3	tcbi	Cash Pledged As Derivative Collateral CashPledgedAsDerivativeCollateral	123400000	USD
CY2019Q4	tcbi	Cash Pledged As Derivative Collateral CashPledgedAsDerivativeCollateral	56600000	USD

Files In Submission

Name	View Source	Status
0001077428-20-000124-index-headers.html	Edgar Link	pending
0001077428-20-000124-index.html	Edgar Link	pending
0001077428-20-000124.txt	Edgar Link	pending
0001077428-20-000124-xbrl.zip	Edgar Link	pending
a9302020-10q.htm	Edgar Link	pending
a9302020-10q_htm.xml	Edgar Link	completed
ex311-930202010q.htm	Edgar Link	pending
ex312-930202010q.htm	Edgar Link	pending
ex321-930202010q.htm	Edgar Link	pending
ex322-930202010q.htm	Edgar Link	pending
exhibit31tcbibylawsamend.htm	Edgar Link	pending
exhibit31tcbibylawsamend001.jpg	Edgar Link	pending
exhibit31tcbibylawsamend002.jpg	Edgar Link	pending
exhibit31tcbibylawsamend003.jpg	Edgar Link	pending
exhibit31tcbibylawsamend004.jpg	Edgar Link	pending
exhibit31tcbibylawsamend005.jpg	Edgar Link	pending
exhibit31tcbibylawsamend006.jpg	Edgar Link	pending
exhibit31tcbibylawsamend007.jpg	Edgar Link	pending
exhibit31tcbibylawsamend008.jpg	Edgar Link	pending
exhibit31tcbibylawsamend009.jpg	Edgar Link	pending
exhibit31tcbibylawsamend010.jpg	Edgar Link	pending
exhibit31tcbibylawsamend011.jpg	Edgar Link	pending
exhibit31tcbibylawsamend012.jpg	Edgar Link	pending
exhibit31tcbibylawsamend013.jpg	Edgar Link	pending
exhibit31tcbibylawsamend014.jpg	Edgar Link	pending
exhibit31tcbibylawsamend015.jpg	Edgar Link	pending
exhibit31tcbibylawsamend016.jpg	Edgar Link	pending
exhibit31tcbibylawsamend017.jpg	Edgar Link	pending
exhibit31tcbibylawsamend018.jpg	Edgar Link	pending
exhibit31tcbibylawsamend019.jpg	Edgar Link	pending
exhibit31tcbibylawsamend020.jpg	Edgar Link	pending
exhibit31tcbibylawsamend021.jpg	Edgar Link	pending
exhibit31tcbibylawsamend022.jpg	Edgar Link	pending
exhibit31tcbibylawsamend023.jpg	Edgar Link	pending
exhibit31tcbibylawsamend024.jpg	Edgar Link	pending
exhibit31tcbibylawsamend025.jpg	Edgar Link	pending
exhibit31tcbibylawsamend026.jpg	Edgar Link	pending
exhibit31tcbibylawsamend027.jpg	Edgar Link	pending
exhibit31tcbibylawsamend028.jpg	Edgar Link	pending
exhibit31tcbibylawsamend029.jpg	Edgar Link	pending
exhibit31tcbibylawsamend030.jpg	Edgar Link	pending
exhibit31tcbibylawsamend031.jpg	Edgar Link	pending
exhibit31tcbibylawsamend032.jpg	Edgar Link	pending
exhibit31tcbibylawsamend033.jpg	Edgar Link	pending
exhibit31tcbibylawsamend034.jpg	Edgar Link	pending
exhibit31tcbibylawsamend035.jpg	Edgar Link	pending
exhibit31tcbibylawsamend036.jpg	Edgar Link	pending
exhibit31tcbibylawsamend037.jpg	Edgar Link	pending
exhibit31tcbibylawsamend038.jpg	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
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
tcbi-20200930.xsd	Edgar Link	pending
tcbi-20200930_cal.xml	Edgar Link	unprocessable
tcbi-20200930_def.xml	Edgar Link	unprocessable
tcbi-20200930_lab.xml	Edgar Link	unprocessable
tcbi-20200930_pre.xml	Edgar Link	unprocessable

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$TCBI
TEXAS CAPITAL BANCSHARES INC/TX Stock $tcbi

2020 Q4 Form 10-Q Financial Statement

#000107742820000124 Filed on October 22, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TCBI TEXAS CAPITAL BANCSHARES INC/TX Stock $tcbi

2020 Q4 Form 10-Q Financial Statement

#000107742820000124 Filed on October 22, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TCBI
TEXAS CAPITAL BANCSHARES INC/TX Stock $tcbi