$FBK
FB Financial Corp Stock $fbk

$fbk Overview Financials Valuation SEC Filings Company Website

2017 Form 10-K Financial Statement

#000156459018006079 Filed on March 16, 2018

Income Statement

Concept	2017	2016 Q4	2015 Q4
Revenue	$169.6M
YoY Change	40.76%
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	$4.316M	$3.700M	$2.400M
YoY Change	-70.23%	54.17%	60.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$16.34M
YoY Change	71.23%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$73.49M	$13.80M	$12.40M
YoY Change	17.91%	11.29%	45.88%
Income Tax	$21.09M	$4.800M	$500.0K
% Of Pretax Income	28.7%	34.78%	4.03%
Net Earnings	$52.40M	$9.000M	$12.00M
YoY Change	29.09%	-25.0%	48.15%
Net Earnings / Revenue	30.89%
Basic Earnings Per Share	$1.90
Diluted Earnings Per Share	$1.86	$367.3K	$519.5K
COMMON SHARES
Basic Shares Outstanding	27.63M shares	23.98M
Diluted Shares Outstanding	28.21M shares

Balance Sheet

Concept	2017	2016 Q4	2015 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$136.3M	$97.72M
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	$82.00M	$66.65M	$65.89M
YoY Change	22.39%	1.15%	37.28%
Goodwill		$46.87M	$46.90M
YoY Change		-0.08%	0.0%
Intangibles
YoY Change
Long-Term Investments	$8.000M	$9.000M	$9.000M
YoY Change	-11.11%	0.0%	0.0%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$4.728B	$3.277B	$2.899B
YoY Change	44.28%	13.02%	19.41%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$119.0M	$54.00M	$44.00M
YoY Change	815.38%	22.73%	37.5%
Deferred Revenue
YoY Change
Short-Term Debt		$150.0M	$18.00M
YoY Change		733.33%	-90.63%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$119.0M	$54.00M	$44.00M
YoY Change	750.0%	22.73%	37.5%
LONG-TERM LIABILITIES
Long-Term Debt	$348.0M	$45.00M	$57.00M
YoY Change	1022.58%	-21.05%	-12.31%
Other Long-Term Liabilities		$1.000M	$0.00
YoY Change
Total Long-Term Liabilities	$348.0M	$46.00M	$57.00M
YoY Change	383.33%	-19.3%	-12.31%
TOTAL LIABILITIES
Total Short-Term Liabilities	$119.0M	$54.00M	$44.00M
Total Long-Term Liabilities	$348.0M	$46.00M	$57.00M
Total Liabilities	$4.131B	$2.946B	$2.663B
YoY Change	40.22%	10.65%	20.32%
SHAREHOLDERS EQUITY
Retained Earnings		$93.78M	$122.5M
YoY Change		-23.44%
Common Stock		$237.6M	$111.7M
YoY Change		112.66%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$597.0M	$330.5M	$236.7M
YoY Change
Total Liabilities & Shareholders Equity	$4.728B	$3.277B	$2.899B
YoY Change	44.28%	13.02%	19.42%

Cashflow Statement

Concept	2017	2016 Q4	2015 Q4
OPERATING ACTIVITIES
Net Income	$52.40M	$9.000M	$12.00M
YoY Change	29.09%	-25.0%	48.15%
Depreciation, Depletion And Amortization	$4.316M	$3.700M	$2.400M
YoY Change	-70.23%	54.17%	60.0%
Cash From Operating Activities	$37.61M	-$19.50M	$108.3M
YoY Change	-115.34%	-118.01%	-288.35%
INVESTING ACTIVITIES
Capital Expenditures	$4.545M	-$1.100M	-$3.000M
YoY Change	-5.0%	-63.33%	233.33%
Acquisitions
YoY Change
Other Investing Activities	-$262.6M	-$54.50M	-$125.3M
YoY Change	837.86%	-56.5%	-2120.97%
Cash From Investing Activities	-$267.2M	-$55.50M	-$128.4M
YoY Change	716.0%	-56.78%	-2522.64%
FINANCING ACTIVITIES
Cash Dividend Paid	$0.00
YoY Change	-100.0%
Common Stock Issuance & Retirement, Net	$88.02M
YoY Change	-24.15%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$213.0M	94.00M	41.10M
YoY Change	-32.72%	128.71%	-33.17%
NET CHANGE
Cash From Operating Activities	$37.61M	-19.50M	108.3M
Cash From Investing Activities	-$267.2M	-55.50M	-128.4M
Cash From Financing Activities	$213.0M	94.00M	41.10M
Net Change In Cash	-$16.58M	19.00M	21.00M
YoY Change	-142.94%	-9.52%	125.81%
FREE CASH FLOW
Cash From Operating Activities	$37.61M	-$19.50M	$108.3M
Capital Expenditures	$4.545M	-$1.100M	-$3.000M
Free Cash Flow	$33.07M	-$18.40M	$111.3M
YoY Change	-113.23%	-116.53%	-296.64%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2017	fbk	Pro Forma Net Income Loss ProFormaNetIncomeLoss	52398000
CY2017	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2017	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2017	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2017	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2017Q2	dei	Entity Public Float EntityPublicFloat	417600000
CY2017Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	543992000
CY2017Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	11412000
CY2017Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	526185000
CY2017Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	3166911000
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24041000
CY2017Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	3142870000
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	81577000
CY2017Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	16442000
CY2017Q4	us-gaap	Interest Receivable InterestReceivable	13069000
CY2017Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	76107000
CY2017Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	23793000
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	119751000
CY2017Q4	us-gaap	Federal Funds Sold FederalFundsSold	66127000
CY2018Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	30650758
CY2017Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	29831000
CY2016Q4	us-gaap	Other Real Estate And Foreclosed Assets OtherRealEstateAndForeclosedAssets	7403000
CY2017Q4	us-gaap	Deposits Deposits	3664395000
CY2016Q4	fbk	Customer Time Deposits CustomerTimeDeposits	389500000
CY2016Q4	fbk	Brokered And Internet Time Deposits BrokeredAndInternetTimeDeposits	1531000
CY2017	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-950000
CY2016	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1479000
CY2017	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	154221000
CY2016	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	112429000
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	96936000
CY2017	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	42000
CY2016Q4	us-gaap	Deposits Deposits	2671562000
CY2017Q4	us-gaap	Goodwill Goodwill	137190000
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	14902000
CY2017Q4	us-gaap	Other Assets OtherAssets	44216000
CY2017Q4	us-gaap	Assets Assets	4727713000
CY2017Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	888200000
CY2017Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	1909546000
CY2017Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	178320000
CY2017Q4	fbk	Customer Time Deposits CustomerTimeDeposits	602628000
CY2017Q4	fbk	Brokered And Internet Time Deposits BrokeredAndInternetTimeDeposits	85701000
CY2017Q4	us-gaap	Time Deposits TimeDeposits	688329000
CY2016Q4	us-gaap	Time Deposits TimeDeposits	391031000
CY2017Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	14293000
CY2016Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	21561000
CY2017Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	190000000
CY2016Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	150000000
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	143302000
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	44892000
CY2017Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	118994000
CY2016Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	58368000
CY2017Q4	us-gaap	Liabilities Liabilities	4130984000
CY2016Q4	us-gaap	Liabilities Liabilities	2946383000
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	30536000
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	24108000
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	418596000
CY2016Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	213480000
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	147449000
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	93784000
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	148000
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-874000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	596729000
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	330498000
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4727713000
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3276881000
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	30535517
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	24107660
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	30535517
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	24107660
CY2017	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	153969000
CY2016	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	105865000
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	87723000
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	93872000
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-3064000
CY2016	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	127949000
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	206670000
CY2016	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	34118000
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4784000
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	39000
CY2017	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3759000
CY2016	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	121000
CY2017	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3269000
CY2016	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	2081000
CY2015	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	1906000
CY2017	us-gaap	Interest Expense InterestExpense	16342000
CY2016	us-gaap	Interest Expense InterestExpense	9544000
CY2015	us-gaap	Interest Expense InterestExpense	8910000
CY2017	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	153271000
CY2016	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	110950000
CY2017	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	116933000
CY2016	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	117751000
CY2015	us-gaap	Fees And Commissions Mortgage Banking FeesAndCommissionsMortgageBanking	70190000
CY2017	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	7787000
CY2016	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	8009000
CY2015	us-gaap	Fees And Commissions Depositor Accounts FeesAndCommissionsDepositorAccounts	7389000
CY2017	us-gaap	Fees And Commissions Debit Cards FeesAndCommissionsDebitCards	8784000
CY2016	us-gaap	Fees And Commissions Debit Cards FeesAndCommissionsDebitCards	7791000
CY2015	us-gaap	Fees And Commissions Debit Cards FeesAndCommissionsDebitCards	6536000
CY2017	us-gaap	Investment Advisory Management And Administrative Fees InvestmentAdvisoryManagementAndAdministrativeFees	3949000
CY2016	us-gaap	Investment Advisory Management And Administrative Fees InvestmentAdvisoryManagementAndAdministrativeFees	3337000
CY2015	us-gaap	Investment Advisory Management And Administrative Fees InvestmentAdvisoryManagementAndAdministrativeFees	3260000
CY2015	us-gaap	Business Combination Bargain Purchase Gain Recognized Amount BusinessCombinationBargainPurchaseGainRecognizedAmount	2794000
CY2017	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	285000
CY2016	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	4407000
CY2015	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	1844000
CY2017	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	774000
CY2016	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	1282000
CY2015	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-317000
CY2017	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-664000
CY2016	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-103000
CY2015	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	-393000
CY2017	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	3733000
CY2016	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	2211000
CY2015	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	1077000
CY2017	us-gaap	Noninterest Income NoninterestIncome	141581000
CY2016	us-gaap	Noninterest Income NoninterestIncome	144685000
CY2015	us-gaap	Noninterest Income NoninterestIncome	92380000
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	130355000
CY2016	us-gaap	Labor And Related Expense LaborAndRelatedExpense	113992000
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	84214000
CY2017	us-gaap	Occupancy Net OccupancyNet	13836000
CY2016	us-gaap	Occupancy Net OccupancyNet	12611000
CY2015	us-gaap	Occupancy Net OccupancyNet	10777000
CY2017	us-gaap	Advertising Expense AdvertisingExpense	12957000
CY2016	us-gaap	Advertising Expense AdvertisingExpense	10608000
CY2017	fbk	Legal And Professional Fees LegalAndProfessionalFees	5737000
CY2016	fbk	Legal And Professional Fees LegalAndProfessionalFees	3514000
CY2015	fbk	Legal And Professional Fees LegalAndProfessionalFees	3355000
CY2017	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6488000
CY2016	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	4181000
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2053000
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	19034000
CY2016	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	3268000
CY2015	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	3543000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1995000
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2132000
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1731000
CY2016	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	8321000
CY2015	us-gaap	Amortization Of Mortgage Servicing Rights Ms Rs AmortizationOfMortgageServicingRightsMSRs	2601000
CY2016	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	4678000
CY2015	us-gaap	Mortgage Servicing Rights Msr Impairment Recovery MortgageServicingRightsMSRImpairmentRecovery	194000
CY2017	fbk	Gain Loss On Sale Of Mortgage Servicing Rights GainLossOnSaleOfMortgageServicingRights	-249000
CY2016	fbk	Gain Loss On Sale Of Mortgage Servicing Rights GainLossOnSaleOfMortgageServicingRights	-4447000
CY2017	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2049000
CY2016	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1952000
CY2015	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2190000
CY2017	us-gaap	Cost Of Services Licenses And Maintenance Agreements CostOfServicesLicensesAndMaintenanceAgreements	1873000
CY2016	us-gaap	Cost Of Services Licenses And Maintenance Agreements CostOfServicesLicensesAndMaintenanceAgreements	2874000
CY2015	us-gaap	Cost Of Services Licenses And Maintenance Agreements CostOfServicesLicensesAndMaintenanceAgreements	1986000
CY2015	us-gaap	Advertising Expense AdvertisingExpense	8062000
CY2017	us-gaap	Other Noninterest Expense OtherNoninterestExpense	27744000
CY2016	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22212000
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	17786000
CY2017	us-gaap	Noninterest Expense NoninterestExpense	222317000
CY2016	us-gaap	Noninterest Expense NoninterestExpense	194790000
CY2015	us-gaap	Noninterest Expense NoninterestExpense	138492000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	73485000
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	62324000
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	50824000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21087000
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21733000
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2968000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	52398000
CY2016	us-gaap	Net Income Loss NetIncomeLoss	40591000
CY2015	us-gaap	Net Income Loss NetIncomeLoss	47856000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27627228
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19165182
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17180000
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	28207602
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19312174
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17180000
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.90
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.12
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.86
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.10
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2017	fbk	Income Tax Expense Benefit Pro Forma IncomeTaxExpenseBenefitProForma	21087000
CY2016	fbk	Income Tax Expense Benefit Pro Forma IncomeTaxExpenseBenefitProForma	22902000
CY2015	fbk	Income Tax Expense Benefit Pro Forma IncomeTaxExpenseBenefitProForma	17829000
CY2016	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	4534837000
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	236674000
CY2016	fbk	Pro Forma Net Income Loss ProFormaNetIncomeLoss	39422000
CY2015	fbk	Pro Forma Net Income Loss ProFormaNetIncomeLoss	32995000
CY2017	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	1.90
CY2016	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	2.06
CY2015	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	1.92
CY2017	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	1.86
CY2016	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	2.04
CY2015	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	1.92
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1162000
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	778000
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1057000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	173000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	4109000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1753000
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	685000
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	54072000
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	37260000
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	45046000
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	493000
CY2016	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5309000
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-71000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	112000
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	298000
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	91000
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax	442000
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	215228000
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2810000
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	23600000
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3331000
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	115525000
CY2016	fbk	Adjustments To Additional Paid In Capital Conversion Of Cash To Stock Settled Awards For Equity Based Incentive Plans AdjustmentsToAdditionalPaidInCapitalConversionOfCashToStockSettledAwardsForEquityBasedIncentivePlans	2388000
CY2016	fbk	Adjustments To Additional Paid In Capital Conversion Of Cash To Stock Settled Awards For Deferred Compensation Plan AdjustmentsToAdditionalPaidInCapitalConversionOfCashToStockSettledAwardsForDeferredCompensationPlan	3000000
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4693000
CY2016	us-gaap	Restricted Stock Value Shares Issued Net Of Tax Withholdings RestrictedStockValueSharesIssuedNetOfTaxWithholdings	-271000
CY2016	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	529000
CY2016	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	69300000
CY2017	fbk	Initial Fair Value Election On Mortgage Servicing Rights Retained Earnings Adjustment Net Of Tax InitialFairValueElectionOnMortgageServicingRightsRetainedEarningsAdjustmentNetOfTax	615000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1674000
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	152721000
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	52284000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6760000
CY2017	us-gaap	Restricted Stock Value Shares Issued Net Of Tax Withholdings RestrictedStockValueSharesIssuedNetOfTaxWithholdings	-856000
CY2017	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	635000
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.37
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.03
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	396
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4316000
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3995000
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3283000
CY2017	fbk	Capitalization Of Mortgage Servicing Rights Ms Rs CapitalizationOfMortgageServicingRightsMSRs	58984000
CY2016	fbk	Capitalization Of Mortgage Servicing Rights Ms Rs CapitalizationOfMortgageServicingRightsMSRs	46070000
CY2015	fbk	Capitalization Of Mortgage Servicing Rights Ms Rs CapitalizationOfMortgageServicingRightsMSRs	26474000
CY2017	fbk	Change In Fair Value Of Mortgage Servicing Rights ChangeInFairValueOfMortgageServicingRights	4023000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	6760000
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	4693000
CY2017	fbk	Provision For Mortgage Loan Repurchases Or Indemnifications ProvisionForMortgageLoanRepurchasesOrIndemnifications	810000
CY2015	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	65947000
CY2017	fbk	Servicing Asset At Amortized Value Gain Loss On Sale ServicingAssetAtAmortizedValueGainLossOnSale	-249000
CY2016	fbk	Servicing Asset At Amortized Value Gain Loss On Sale ServicingAssetAtAmortizedValueGainLossOnSale	3406000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6458000
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	9257000
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1647000
CY2017	fbk	Increase Decrease In Other Assets And Interest Receivable IncreaseDecreaseInOtherAssetsAndInterestReceivable	6478000
CY2016	fbk	Increase Decrease In Other Assets And Interest Receivable IncreaseDecreaseInOtherAssetsAndInterestReceivable	-24730000
CY2015	fbk	Increase Decrease In Other Assets And Interest Receivable IncreaseDecreaseInOtherAssetsAndInterestReceivable	-1301000
CY2017	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	47627000
CY2016	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	15312000
CY2016	fbk	Provision For Mortgage Loan Repurchases Or Indemnifications ProvisionForMortgageLoanRepurchasesOrIndemnifications	512000
CY2015	fbk	Provision For Mortgage Loan Repurchases Or Indemnifications ProvisionForMortgageLoanRepurchasesOrIndemnifications	1375000
CY2017	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	5419000
CY2016	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	3538000
CY2015	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	493000
CY2017	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2693000
CY2016	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2326000
CY2015	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1474000
CY2017	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	6331458000
CY2016	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	4671561000
CY2015	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	2757463000
CY2017	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	6408198000
CY2015	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	2739914000
CY2017	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	107189000
CY2016	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	115485000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	37610000
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	194611000
CY2016	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	104368000
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	103233000
CY2017	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	81353000
CY2016	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	316384000
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	164864000
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	241379000
CY2017	us-gaap	Proceeds From Sale Of Mortgage Servicing Rights Msr ProceedsFromSaleOfMortgageServicingRightsMSR	11686000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4545000
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	17000
CY2016	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	6696000
CY2015	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	3774000
CY2017	fbk	Payments For Proceeds From Acquire Businesses Net Of Cash Acquired PaymentsForProceedsFromAcquireBusinessesNetOfCashAcquired	135141000
CY2015	fbk	Payments For Proceeds From Acquire Businesses Net Of Cash Acquired PaymentsForProceedsFromAcquireBusinessesNetOfCashAcquired	-23995000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-267168000
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-32741000
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-51822000
CY2017	fbk	Increase Decrease In Demand And Savings Deposits IncreaseDecreaseInDemandAndSavingsDeposits	14682000
CY2016	fbk	Increase Decrease In Demand And Savings Deposits IncreaseDecreaseInDemandAndSavingsDeposits	167616000
CY2015	fbk	Increase Decrease In Demand And Savings Deposits IncreaseDecreaseInDemandAndSavingsDeposits	306360000
CY2017	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-1367000
CY2016	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	65472000
CY2015	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-37671000
CY2017	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-7268000
CY2016	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-83572000
CY2015	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	-8361000
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	23767000
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	132000000
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-81378000
CY2017	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	29812000
CY2016	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-11724000
CY2015	us-gaap	Proceeds From Repayments Of Long Term Debt And Capital Securities ProceedsFromRepaymentsOfLongTermDebtAndCapitalSecurities	-8234000
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	153356000
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	116054000
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	69300000
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	25350000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	212982000
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	316546000
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	145366000
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-16576000
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	38604000
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	47769000
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	97723000
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	49954000
CY2017	us-gaap	Interest Paid InterestPaid	15470000
CY2016	us-gaap	Interest Paid InterestPaid	9474000
CY2015	us-gaap	Interest Paid InterestPaid	8985000
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	22292000
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	1307000
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	1754000
CY2017	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	3605000
CY2016	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2724000
CY2017	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	256000
CY2015	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	5045000
CY2017	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	43035000
CY2017	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	52284000
CY2016	us-gaap	Stock Issued1 StockIssued1	5388000
CY2017	fbk	Noncash Or Part Noncash Trade Date Payable NoncashOrPartNoncashTradeDatePayable	348000
CY2017	fbk	Fair Value Election Of Mortgage Servicing Rights FairValueElectionOfMortgageServicingRights	1011000
CY2017	us-gaap	Stockholders Equity Note Stock Split StockholdersEquityNoteStockSplit	the Company declared a 100-for-1 stock split, increasing the number of issued and authorized shares from 171,800 to 17,180,000 and 250,000 to 25,000,000, respectively.
CY2016Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.01
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	945000
CY2017	fbk	Percent Of Principal Balance Allowed To Buy Back Under Government National Mortgage Association Optional Repurchase Programs PercentOfPrincipalBalanceAllowedToBuyBackUnderGovernmentNationalMortgageAssociationOptionalRepurchasePrograms	1.00
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2015	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2016	fbk	Income Tax Reconciliation Change In Taxable Status From Exempt To Taxable Entity IncomeTaxReconciliationChangeInTaxableStatusFromExemptToTaxableEntity	13181000
CY2017	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.
CY2017	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2016	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2015	us-gaap	Income Tax Examination Penalties And Interest Expense IncomeTaxExaminationPenaltiesAndInterestExpense	0
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0
CY2016	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0
CY2017	fbk	Number Of Methods To Deliver Mortgage Loans NumberOfMethodsToDeliverMortgageLoans	2
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	580374
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	146992
CY2017	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	27627228
CY2016	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	19165182
CY2015	us-gaap	Weighted Average Basic Shares Outstanding Pro Forma WeightedAverageBasicSharesOutstandingProForma	17180000
CY2017	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	28207602
CY2016	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	19312174
CY2015	us-gaap	Pro Forma Weighted Average Shares Outstanding Diluted ProFormaWeightedAverageSharesOutstandingDiluted	17180000
CY2017Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	236484000
CY2017Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	548898000
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3067000
CY2017Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	7973000
CY2016Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	588459000
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3943000
CY2016Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10219000
CY2017Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	337604000
CY2016Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	390814000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	905000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	9290000
CY2017Q4	fbk	Available For Sale Securities Debt Maturities Due In One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesDueInOneThroughFiveYearsAmortizedCost	28332000
CY2016Q4	fbk	Available For Sale Securities Debt Maturities Due In One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesDueInOneThroughFiveYearsAmortizedCost	25520000
CY2017Q4	fbk	Available For Sale Securities Debt Maturities Due In Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesDueInFiveThroughTenYearsAmortizedCost	19218000
CY2016Q4	fbk	Available For Sale Securities Debt Maturities Due In Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesDueInFiveThroughTenYearsAmortizedCost	31122000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	67016000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	62909000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	115471000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	128841000
CY2017Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	541028000
CY2016Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	579715000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	925000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	9352000
CY2017Q4	fbk	Available For Sale Securities Debt Maturities Due In One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesDueInOneThroughFiveYearsFairValue	28878000
CY2016Q4	fbk	Available For Sale Securities Debt Maturities Due In One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesDueInOneThroughFiveYearsFairValue	26340000
CY2017Q4	fbk	Available For Sale Securities Debt Maturities Due In Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesDueInFiveThroughTenYearsFairValue	19588000
CY2016Q4	fbk	Available For Sale Securities Debt Maturities Due In Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesDueInFiveThroughTenYearsFairValue	32248000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	68098000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	61725000
CY2017Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	117489000
CY2016Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	129665000
CY2017Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	536270000
CY2016Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	573573000
CY2017	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1277000
CY2016	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	4755000
CY2017	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	48000
CY2016	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	348000
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Availableforsale Securities OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities	945000
CY2017	fbk	Realized Gains On Early Call Of Available For Sale Securities RealizedGainsOnEarlyCallOfAvailableForSaleSecurities	1000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	122217000
CY2017	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	1174000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	314406000
CY2017	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	6799000
CY2017Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	436623000
CY2017	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	7973000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	444968000
CY2016	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses	9409000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	22199000
CY2016	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses	810000
CY2016Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	467167000
CY2016	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses	10219000
CY2017Q4	fbk	Number Of Available For Sale Securities In Portfolio NumberOfAvailableForSaleSecuritiesInPortfolio	294
CY2016Q4	fbk	Number Of Available For Sale Securities In Portfolio NumberOfAvailableForSaleSecuritiesInPortfolio	329
CY2017Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	124
CY2016Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	151
CY2017	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	945000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	21234000
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue	16058000
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	973000
CY2016	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0
CY2017	fbk	Other Than Temporary Impairment Credit Losses Recognized In Earnings From Equity Securities Additions No Previous Impairment OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsFromEquitySecuritiesAdditionsNoPreviousImpairment	945000
CY2017Q4	fbk	Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Equity Securities Held OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnEquitySecuritiesHeld	945000
CY2017	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	5771000
CY2017	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2527000
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24460000
CY2016	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	1616000
CY2016	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	2850000
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	29030000
CY2015	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	2838000
CY2015	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	4344000
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	191000
CY2017Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	23850000
CY2016Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	513000
CY2015Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	23487000
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	9373000
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	3068703000
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue	88835000
CY2017Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	3166911000
CY2016Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	12951000
CY2016Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1819775000
CY2016Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1848784000
CY2015Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	15576000
CY2015Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1664912000
CY2015Q4	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period At Acquisition At Fair Value CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue	21375000
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1701863000
CY2017Q4	fbk	Loans And Leases Receivable Gross Exclude Loans Acquired With Deteriorated Credit Quality LoansAndLeasesReceivableGrossExcludeLoansAcquiredWithDeterioratedCreditQuality	3078076000
CY2016Q4	fbk	Loans And Leases Receivable Gross Exclude Loans Acquired With Deteriorated Credit Quality LoansAndLeasesReceivableGrossExcludeLoansAcquiredWithDeterioratedCreditQuality	1832726000
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	9373000
CY2017Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	11272000
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	191000
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	8138000
CY2017Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	9451000
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	1235000
CY2017Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	1821000
CY2017Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	191000
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	2744000
CY2016Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	3556000
CY2016Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	513000
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	10207000
CY2016Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	12170000
CY2016Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	12951000
CY2016Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	15726000
CY2016	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	513000
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	9173000
CY2017	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	335000
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	7835000
CY2016	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	455000
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	10107000
CY2015	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeCashBasisMethod	159000
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	1992000
CY2016Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	4265000
CY2016Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	8802000
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	11164000
CY2017	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	399000
CY2016	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	14267000
CY2016	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	498000
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	19683000
CY2015	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	478000
CY2017Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	8604000
CY2017Q4	fbk	Financing Receivable Modifications Recorded Investment Specific Reserves FinancingReceivableModificationsRecordedInvestmentSpecificReserves	172000
CY2016Q4	fbk	Financing Receivable Modifications Recorded Investment Specific Reserves FinancingReceivableModificationsRecordedInvestmentSpecificReserves	402000
CY2017Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	2000
CY2016Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	1000
CY2017Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3205000
CY2017	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	64000
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	6432000
CY2016	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	43000
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	9576000
CY2015	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Cash Basis Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeCashBasisMethod	319000
CY2017	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	7
CY2017	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1883000
CY2017	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1883000
CY2017	fbk	Financing Receivable Modifications Charge Offs And Specific Reserves FinancingReceivableModificationsChargeOffsAndSpecificReserves	76000
CY2016	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	9
CY2016	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	1966000
CY2016	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	1966000
CY2015	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	16
CY2015	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	3546000
CY2015	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	3546000
CY2015	fbk	Financing Receivable Modifications Charge Offs And Specific Reserves FinancingReceivableModificationsChargeOffsAndSpecificReserves	132000
CY2017	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0
CY2016	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	126880000
CY2016Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	107664000
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	45303000
CY2016Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41013000
CY2016Q4	us-gaap	Foreclosed Assets ForeclosedAssets	7403000
CY2015Q4	us-gaap	Foreclosed Assets ForeclosedAssets	11641000
CY2014Q4	us-gaap	Foreclosed Assets ForeclosedAssets	7259000
CY2017	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	3466000
CY2015	us-gaap	Real Estate Improvements RealEstateImprovements	171000
CY2017	fbk	Real Estate Acquired Through Merger Or Acquisition RealEstateAcquiredThroughMergerOrAcquisition	6888000
CY2015	fbk	Real Estate Acquired Through Merger Or Acquisition RealEstateAcquiredThroughMergerOrAcquisition	5002000
CY2017	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	5438000
CY2016	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	6696000
CY2015	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	3774000
CY2017	fbk	Gain On Sale Of Foreclosed Real Estate Assets GainOnSaleOfForeclosedRealEstateAssets	1080000
CY2016	fbk	Gain On Sale Of Foreclosed Real Estate Assets GainOnSaleOfForeclosedRealEstateAssets	1670000
CY2015	fbk	Gain On Sale Of Foreclosed Real Estate Assets GainOnSaleOfForeclosedRealEstateAssets	187000
CY2017	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	306000
CY2016	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	388000
CY2015	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	504000
CY2017Q4	us-gaap	Foreclosed Assets ForeclosedAssets	16442000
CY2017Q4	fbk	Number Of Branch Locations Consolidated NumberOfBranchLocationsConsolidated	5
CY2017Q4	us-gaap	Property Plant And Equipment Transfers And Changes PropertyPlantAndEquipmentTransfersAndChanges	3466000
CY2017Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangibles BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles	587000
CY2017	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	58984000
CY2016	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	46070000
CY2016Q4	fbk	Servicing Asset Amortized Value To Fair Value Adjustment ServicingAssetAmortizedValueToFairValueAdjustment	1011000
CY2015	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	26474000
CY2016	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	8321000
CY2015	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	2601000
CY2017	us-gaap	Servicing Asset At Amortized Value Disposals ServicingAssetAtAmortizedValueDisposals	11686000
CY2015	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P5Y
CY2016	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P10Y
CY2017	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P6Y6M
CY2015Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	29711000
CY2014Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	6032000
CY2016Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	33081000
CY2015Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	29711000
CY2014Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	6032000
CY2016	us-gaap	Servicing Asset At Amortized Value Disposals ServicingAssetAtAmortizedValueDisposals	34118000
CY2016	us-gaap	Servicing Asset At Amortized Cost Other Than Temporary Impairments ServicingAssetAtAmortizedCostOtherThanTemporaryImpairments	4678000
CY2015	us-gaap	Servicing Asset At Amortized Cost Other Than Temporary Impairments ServicingAssetAtAmortizedCostOtherThanTemporaryImpairments	194000
CY2017	fbk	Servicing Asset At Fair Value Changes In Fair Value Due To Pay Offs Or Pay Downs ServicingAssetAtFairValueChangesInFairValueDueToPayOffsOrPayDowns	-3104000
CY2017	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-919000
CY2017	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	13168000
CY2016	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	12063000
CY2015	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	3614000
CY2017	fbk	Change In Fair Value Of Derivative Hedging Instruments ChangeInFairValueOfDerivativeHedgingInstruments	-599000
CY2017	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	9744000
CY2016	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	12063000
CY2015	us-gaap	Contractually Specified Servicing Fees Late Fees And Ancillary Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesLateFeesAndAncillaryFeesEarnedInExchangeForServicingFinancialAssets	3614000
CY2017	fbk	Gain Loss On Sale Of Mortgage Servicing Rights Related Hedges And Transaction Costs On Sale GainLossOnSaleOfMortgageServicingRightsRelatedHedgesAndTransactionCostsOnSale	-249000
CY2016	fbk	Gain Loss On Sale Of Mortgage Servicing Rights Related Hedges And Transaction Costs On Sale GainLossOnSaleOfMortgageServicingRightsRelatedHedgesAndTransactionCostsOnSale	-4447000
CY2017	fbk	Other Servicing Expenses OtherServicingExpenses	4896000
CY2016	fbk	Other Servicing Expenses OtherServicingExpenses	2325000
CY2015	fbk	Other Servicing Expenses OtherServicingExpenses	633000
CY2017	fbk	Gross Servicing Expense GrossServicingExpense	5145000
CY2016	fbk	Gross Servicing Expense GrossServicingExpense	19771000
CY2015	fbk	Gross Servicing Expense GrossServicingExpense	3428000
CY2017	fbk	Servicing Income Loss ServicingIncomeLoss	4599000
CY2016	fbk	Servicing Income Loss ServicingIncomeLoss	-7708000
CY2015	fbk	Servicing Income Loss ServicingIncomeLoss	186000
CY2017Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	6529431000
CY2016Q4	us-gaap	Continuing Involvement With Transferred Financial Assets Principal Amount Outstanding ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding	2833958000
CY2017	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed	0.0890
CY2016	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed	0.0840
CY2017Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	3026000
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	1256000
CY2017Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	5855000
CY2016Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	2434000
CY2017	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Discount Rate AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate	0.0975
CY2016	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Discount Rate AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate	0.0954
CY2017Q4	fbk	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of One Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOnePercentAdverseChangeInDiscountRate	3052000
CY2016Q4	fbk	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of One Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfOnePercentAdverseChangeInDiscountRate	1394000
CY2017Q4	fbk	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Two Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfTwoPercentAdverseChangeInDiscountRate	5867000
CY2016Q4	fbk	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Two Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOfTwoPercentAdverseChangeInDiscountRate	2679000
CY2017	fbk	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0394
CY2016	fbk	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Coupon Interest Rate ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageCouponInterestRate	0.0359
CY2017	fbk	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.0028
CY2016	fbk	Servicing Assets And Servicing Liabilities At Fair Value Assumptions Used To Estimate Fair Value Weighted Average Servicing Fee ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueWeightedAverageServicingFee	0.0027
CY2017Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	16038000
CY2016Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	16488000
CY2017	us-gaap	Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferors Continuing Involvement Weighted Average Life1 AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementWeightedAverageLife1	P335M
CY2016	us-gaap	Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferors Continuing Involvement Weighted Average Life1 AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementWeightedAverageLife1	P328M
CY2016Q4	fbk	Mortgage Loans Serviced MortgageLoansServiced	3370395000
CY2017Q4	fbk	Mortgage Loans Serviced MortgageLoansServiced	1086465000
CY2016Q4	fbk	Mortgage Loans Serviced Relates To Sale Of Mortgage Servicing Rights MortgageLoansServicedRelatesToSaleOfMortgageServicingRights	3332903000
CY2017Q4	fbk	Mortgage Loans Serviced Relates To Sale Of Mortgage Servicing Rights MortgageLoansServicedRelatesToSaleOfMortgageServicingRights	0
CY2017Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	10873000
CY2016Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	10556000
CY2017Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	2477000
CY2016Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	2245000
CY2017Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1962000
CY2016Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	2296000
CY2017Q4	us-gaap	Loans Receivable Mortgage Warehouse Lending LoansReceivableMortgageWarehouseLending	3176000
CY2016Q4	us-gaap	Loans Receivable Mortgage Warehouse Lending LoansReceivableMortgageWarehouseLending	24000
CY2017Q4	us-gaap	Derivative Assets DerivativeAssets	9690000
CY2016Q4	us-gaap	Derivative Assets DerivativeAssets	19745000
CY2017Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	5301000
CY2016Q4	us-gaap	Deferred Compensation Liability Current And Noncurrent DeferredCompensationLiabilityCurrentAndNoncurrent	6710000
CY2017Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	11018000
CY2016Q4	us-gaap	Employee Related Liabilities Current And Noncurrent EmployeeRelatedLiabilitiesCurrentAndNoncurrent	5987000
CY2017Q4	fbk	Mortgage Servicing Escrows MortgageServicingEscrows	3341000
CY2016Q4	fbk	Mortgage Servicing Escrows MortgageServicingEscrows	1079000
CY2017Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	3386000
CY2016Q4	us-gaap	Mortgage Loans On Real Estate Writedown Or Reserve Amount1 MortgageLoansOnRealEstateWritedownOrReserveAmount1	2659000
CY2017Q4	us-gaap	Deposit Liabilities Accrued Interest DepositLiabilitiesAccruedInterest	1504000
CY2016Q4	us-gaap	Deposit Liabilities Accrued Interest DepositLiabilitiesAccruedInterest	632000
CY2017Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1699000
CY2016Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	586000
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	11858000
CY2016Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	4180000
CY2017Q4	us-gaap	Financial Liabilities Fair Value Disclosure FinancialLiabilitiesFairValueDisclosure	43035000
CY2017Q4	us-gaap	Other Sundry Liabilities OtherSundryLiabilities	37852000
CY2016Q4	us-gaap	Other Sundry Liabilities OtherSundryLiabilities	36535000
CY2017Q4	fbk	Time Deposits Two Hundred Fifty Or More TimeDepositsTwoHundredFiftyOrMore	176837000
CY2016Q4	fbk	Time Deposits Two Hundred Fifty Or More TimeDepositsTwoHundredFiftyOrMore	60124000
CY2017Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	432030000
CY2017Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	139398000
CY2017Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	56719000
CY2017Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	32893000
CY2017Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	24075000
CY2017Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	3214000
CY2015Q4	fbk	Number Of Subordinated Notes Payable NumberOfSubordinatedNotesPayable	3
CY2017	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	112372000
CY2016	us-gaap	Proceeds From Federal Home Loan Bank Borrowings ProceedsFromFederalHomeLoanBankBorrowings	13962000
CY2017Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate	0.0145
CY2016Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Interest Rate FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRate	0.0302
CY2017	fbk	Federal Home Loan Bank Advances Maturity And Reprice Period FederalHomeLoanBankAdvancesMaturityAndRepricePeriod	P90D
CY2017Q4	fbk	Number Of Corresponding Interest Rate Swap Agreements NumberOfCorrespondingInterestRateSwapAgreements	3
CY2003Q4	fbk	Number Of Trusts NumberOfTrusts	2
CY2017	us-gaap	Debt Instrument Redemption Description DebtInstrumentRedemptionDescription	The Company may redeem the first junior subordinated debenture listed, in whole or in part, on any distribution payment date within 120 days of the occurrence of a special event, at the redemption price. The Company may redeem the second junior subordinated debentures listed, in whole or in part, any time after June 26, 2008, on any distribution payment date, at the redemption price. The junior subordinated debentures must be redeemed no later than 2033.
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	109712000
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	224000
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	131000
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	418000
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	890000
CY2017Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	31927000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14629000
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	12476000
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1321000
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	25720000
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	5061000
CY2017	fbk	Income Tax Reconciliation Change In State Taxes Net Of Federal Benefit IncomeTaxReconciliationChangeInStateTaxesNetOfFederalBenefit	3053000
CY2016	fbk	Income Tax Reconciliation Change In State Taxes Net Of Federal Benefit IncomeTaxReconciliationChangeInStateTaxesNetOfFederalBenefit	3664000
CY2015	fbk	Income Tax Reconciliation Change In State Taxes Net Of Federal Benefit IncomeTaxReconciliationChangeInStateTaxesNetOfFederalBenefit	2956000
CY2017	fbk	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	5894000
CY2017	fbk	Income Tax Reconciliation Nondeductible Income Share Based Compensation Cost IncomeTaxReconciliationNondeductibleIncomeShareBasedCompensationCost	310000
CY2016	fbk	Income Tax Reconciliation Nondeductible Income Share Based Compensation Cost IncomeTaxReconciliationNondeductibleIncomeShareBasedCompensationCost	786000
CY2017	fbk	Income Tax Reconciliation Permanent Items IncomeTaxReconciliationPermanentItems	-1402000
CY2016	fbk	Income Tax Reconciliation Permanent Items IncomeTaxReconciliationPermanentItems	-633000
CY2015	fbk	Income Tax Reconciliation Permanent Items IncomeTaxReconciliationPermanentItems	12000
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-80000
CY2016	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	1246000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	6264000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	8516000
CY2017Q4	fbk	Deferred Tax Assets Amortization Of Core Deposit Intangible DeferredTaxAssetsAmortizationOfCoreDepositIntangible	759000
CY2016Q4	fbk	Deferred Tax Assets Amortization Of Core Deposit Intangible DeferredTaxAssetsAmortizationOfCoreDepositIntangible	996000
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6158000
CY2016Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	7552000
CY2017Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	988000
CY2016Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Trading Securities DeferredTaxAssetsUnrealizedLossesOnTradingSecurities	2462000
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3599000
CY2016Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	2430000
CY2017Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	17768000
CY2016Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	21956000
CY2017Q4	fbk	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	550000
CY2016Q4	fbk	Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends DeferredTaxLiabilitiesFederalHomeLoanBankStockDividends	827000
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4115000
CY2016Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	6548000
CY2017Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	19830000
CY2016Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	12558000
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	5131000
CY2016Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	6203000
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	29626000
CY2016Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	26136000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	105453000
CY2016Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	66180000
CY2017	us-gaap	Dividends Cash DividendsCash	0
CY2016	us-gaap	Dividends Cash DividendsCash	69300000
CY2015	us-gaap	Dividends Cash DividendsCash	23600000
CY2017Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	1000158000
CY2015	fbk	Principal Amount Of Loans Repurchased Or Indemnified During Period PrincipalAmountOfLoansRepurchasedOrIndemnifiedDuringPeriod	2453000
CY2016	fbk	Principal Amount Of Loans Repurchased Or Indemnified During Period PrincipalAmountOfLoansRepurchasedOrIndemnifiedDuringPeriod	8326000
CY2016Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Face Amount Liability FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability	602426000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	3533000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2806000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	2318000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	2074000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1623000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5350000
CY2017Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	17704000
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	4245000
CY2016	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3904000
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3750000
CY2017	fbk	Principal Amount Of Loans Repurchased Or Indemnified During Period PrincipalAmountOfLoansRepurchasedOrIndemnifiedDuringPeriod	4704000
CY2016Q4	fbk	Allowance For Loan Repurchases Or Indemnifications AllowanceForLoanRepurchasesOrIndemnifications	2659000
CY2015Q4	fbk	Allowance For Loan Repurchases Or Indemnifications AllowanceForLoanRepurchasesOrIndemnifications	2156000
CY2014Q4	fbk	Allowance For Loan Repurchases Or Indemnifications AllowanceForLoanRepurchasesOrIndemnifications	828000
CY2016	fbk	Allowance For Loan Repurchases Or Indemnifications Recoveries On Previous Losses AllowanceForLoanRepurchasesOrIndemnificationsRecoveriesOnPreviousLosses	9000
CY2017	fbk	Allowance For Loan Repurchases Or Indemnifications Losses On Loans Repurchased Or Indemnified AllowanceForLoanRepurchasesOrIndemnificationsLossesOnLoansRepurchasedOrIndemnified	83000
CY2016	fbk	Allowance For Loan Repurchases Or Indemnifications Losses On Loans Repurchased Or Indemnified AllowanceForLoanRepurchasesOrIndemnificationsLossesOnLoansRepurchasedOrIndemnified	18000
CY2015	fbk	Allowance For Loan Repurchases Or Indemnifications Losses On Loans Repurchased Or Indemnified AllowanceForLoanRepurchasesOrIndemnificationsLossesOnLoansRepurchasedOrIndemnified	47000
CY2017Q4	fbk	Allowance For Loan Repurchases Or Indemnifications AllowanceForLoanRepurchasesOrIndemnifications	3386000
CY2017	us-gaap	Derivative Maturity Dates DerivativeMaturityDates	2024-06-30
CY2017Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	100000000
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4549000
CY2015Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4856000
CY2017	fbk	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Impairment Of Equity Securities FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetImpairmentOfEquitySecurities	-945000
CY2016	fbk	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Capital Distribution FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetCapitalDistribution	307000
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	3604000
CY2017	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2017	fbk	Fees And Commissions Mortgage Banking Before Adjustments FeesAndCommissionsMortgageBankingBeforeAdjustments	120357000
CY2017	fbk	Change In Fair Value Of Mortgage Servicing Rights And Hedging Instruments ChangeInFairValueOfMortgageServicingRightsAndHedgingInstruments	3424000
CY2017	us-gaap	Noninterest Income Other NoninterestIncomeOther	24648000
CY2017	fbk	Other Noninterest Mortgage Banking Expense OtherNoninterestMortgageBankingExpense	98296000
CY2017	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	117461000
CY2016	fbk	Fees And Commissions Mortgage Banking Before Adjustments FeesAndCommissionsMortgageBankingBeforeAdjustments	117751000
CY2016	us-gaap	Noninterest Income Other NoninterestIncomeOther	26934000
CY2016	fbk	Amortization And Impairment Of Mortgage Servicing Rights AmortizationAndImpairmentOfMortgageServicingRights	12999000
CY2016	fbk	Other Noninterest Mortgage Banking Expense OtherNoninterestMortgageBankingExpense	82351000
CY2016	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	88866000
CY2015	fbk	Fees And Commissions Mortgage Banking Before Adjustments FeesAndCommissionsMortgageBankingBeforeAdjustments	70190000
CY2015	us-gaap	Noninterest Income Other NoninterestIncomeOther	22190000
CY2015	fbk	Amortization And Impairment Of Mortgage Servicing Rights AmortizationAndImpairmentOfMortgageServicingRights	2795000
CY2015	fbk	Other Noninterest Mortgage Banking Expense OtherNoninterestMortgageBankingExpense	56138000
CY2015	us-gaap	Cost Of Services Excluding Depreciation Depletion And Amortization CostOfServicesExcludingDepreciationDepletionAndAmortization	74545000
CY2015Q4	us-gaap	Assets Assets	2899420000
CY2015Q4	us-gaap	Goodwill Goodwill	46904000
CY2017	fbk	Capital Conservative Buffer Percentage CapitalConservativeBufferPercentage	0.025
CY2017	us-gaap	Description Of Regulatory Requirements Capital Adequacy Purposes DescriptionOfRegulatoryRequirementsCapitalAdequacyPurposes	Beginning in 2016, an additional conservation buffer was added to the minimum requirements for capital adequacy purposes, subject to a three year phase-in period. The capital conservative buffer will be fully phased in January 1, 2019 at 2.5 percent.
CY2017	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.06
CY2017	fbk	Matching And Profit Sharing Vesting Period MatchingAndProfitSharingVestingPeriod	P5Y
CY2017	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	2344000
CY2016	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1379000
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1290000
CY2016	fbk	Defined Benefit Plan Expenses DefinedBenefitPlanExpenses	30000
CY2017	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	0.25
CY2017	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	1213000
CY2017	fbk	Post Retirement Benefits Payable PostRetirementBenefitsPayable	1510000
CY2017	fbk	Defined Benefit Plan Expenses DefinedBenefitPlanExpenses	4000
CY2016	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	0.25
CY2015	us-gaap	Defined Contribution Plan Employers Matching Contribution Annual Vesting Percentage DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage	0.25
CY2016	fbk	Post Retirement Benefits Payable PostRetirementBenefitsPayable	2023000
CY2015	fbk	Defined Benefit Plan Expenses DefinedBenefitPlanExpenses	313000
CY2017	fbk	Not Found During Migration Deprecated Concept Defined Benefit Plan Benefits Paid NotFoundDuringMigrationDeprecatedConceptDefinedBenefitPlanBenefitsPaid	191000
CY2016	fbk	Not Found During Migration Deprecated Concept Defined Benefit Plan Benefits Paid NotFoundDuringMigrationDeprecatedConceptDefinedBenefitPlanBenefitsPaid	205000
CY2015	fbk	Not Found During Migration Deprecated Concept Defined Benefit Plan Benefits Paid NotFoundDuringMigrationDeprecatedConceptDefinedBenefitPlanBenefitsPaid	202000
CY2017	fbk	Defined Benefit Plan Cash Value Income DefinedBenefitPlanCashValueIncome	164000
CY2016	fbk	Defined Benefit Plan Cash Value Income DefinedBenefitPlanCashValueIncome	181000
CY2015	fbk	Defined Benefit Plan Cash Value Income DefinedBenefitPlanCashValueIncome	136000
CY2016	us-gaap	Employee Service Share Based Compensation Cash Flow Effect Cash Used To Settle Awards EmployeeServiceShareBasedCompensationCashFlowEffectCashUsedToSettleAwards	337000
CY2016Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	27370000
CY2017	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	1204000
CY2017	fbk	Loans And Leases Receivable Related Parties Changes In Related Party Status LoansAndLeasesReceivableRelatedPartiesChangesInRelatedPartyStatus	-624000
CY2017	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	6938000
CY2017Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	21012000
CY2017Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	110465000
CY2016Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	150373000

Files In Submission

Name	View Source	Status
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2017 Form 10-K Financial Statement

#000156459018006079 Filed on March 16, 2018

Income Statement

Balance Sheet

Cashflow Statement

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$FBK FB Financial Corp Stock $fbk

2017 Form 10-K Financial Statement

#000156459018006079 Filed on March 16, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FBK
FB Financial Corp Stock $fbk