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Allowance for Loan Losses - Summary of Changes in Loan Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Jan. 01, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan and Lease Losses, Period Increase (Decrease)	$ (6,000)
Allowance for Loan and Lease Losses, Period Increase (Decrease), Percent	(8.50%)
Financing Receivable, Allowance for Credit Loss, Writeoff	$ (187)
Schedule of changes in allowance for loan losses
Beginning Balance	70,185	$ 36,171
Recoveries	(362)
(Reversal of) Provision for Credit Losses	(6,135)	9,964
Ending Balance	64,225	47,540
Allowance for credit losses on loans	64,225	47,540
Allowance for Loan and Lease Losses, Write-offs	(187)	(1,597)
Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance	0	1,822
Allowance for credit losses on loans	0	1,822
Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance	70,185	37,993
Allowance for credit losses on loans	70,185	37,993
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		1,822
Allowance for credit losses on loans		1,822
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	(1)
Schedule of changes in allowance for loan losses
Beginning Balance	49,608	23,933
Recoveries	(207)
(Reversal of) Provision for Credit Losses	(4,610)	7,021
Ending Balance	45,204	27,866
Allowance for credit losses on loans	45,204	27,866
Allowance for Loan and Lease Losses, Write-offs		(1,222)
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			$ 20,998
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			(2,935)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	(1)	(1,087)
Schedule of changes in allowance for loan losses
Beginning Balance	30,010	11,739
Recoveries	(205)	(1,057)
(Reversal of) Provision for Credit Losses	(8,444)	3,539
Ending Balance	21,770	13,900
Allowance for credit losses on loans	21,770	13,900
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			10,391
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			(1,348)
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	0	(135)
Schedule of changes in allowance for loan losses
Beginning Balance	9,486	4,512
Recoveries	(2)	(12)
(Reversal of) Provision for Credit Losses	976	1,375
Ending Balance	10,464	6,216
Allowance for credit losses on loans	10,464	6,216
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			4,964
Commercial Portfolio Segment [Member] | Owner Occupied Commercial Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			452
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0
Schedule of changes in allowance for loan losses
Beginning Balance	10,112	7,682
Recoveries	0	0
(Reversal of) Provision for Credit Losses	2,858	2,107
Ending Balance	12,970	7,750
Allowance for credit losses on loans	12,970	7,750
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			5,643
Commercial Portfolio Segment [Member] | Non Owner Occupied Commercial Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			(2,039)
Commercial Portfolio Segment [Member] | Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0
Schedule of changes in allowance for loan losses
Beginning Balance	0	0
Recoveries	0	0
(Reversal of) Provision for Credit Losses	0	0
Ending Balance	0	0
Allowance for credit losses on loans	0	0
Commercial Portfolio Segment [Member] | Paycheck Protection Program | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			0
Commercial Portfolio Segment [Member] | Paycheck Protection Program | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			0
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0
Schedule of changes in allowance for loan losses
Beginning Balance	1,591	1,458
Recoveries	0	(3)
(Reversal of) Provision for Credit Losses	(189)	94
Ending Balance	1,402	3,026
Allowance for credit losses on loans	1,402	3,026
Residential Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			2,929
Residential Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Allowance for credit losses on loans			$ 1,471
Real Estate Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	(1)
Schedule of changes in allowance for loan losses
Beginning Balance	13,092	3,060
Recoveries	(16)
(Reversal of) Provision for Credit Losses	164	2,565
Ending Balance	13,271	12,308
Allowance for credit losses on loans	13,271	12,308
Allowance for Loan and Lease Losses, Write-offs		0
Real Estate Construction and Land Development | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance		9,729
Allowance for credit losses on loans		9,729
Real Estate Construction and Land Development | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		6,669
Allowance for credit losses on loans		6,669
Real Estate Construction and Land Development | One-to-four Family Real Estate Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0
Schedule of changes in allowance for loan losses
Beginning Balance	1,951	1,455
Recoveries	(16)	(14)
(Reversal of) Provision for Credit Losses	81	(34)
Ending Balance	2,048	864
Allowance for credit losses on loans	2,048	864
Real Estate Construction and Land Development | One-to-four Family Real Estate Construction | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance		884
Allowance for credit losses on loans		884
Real Estate Construction and Land Development | One-to-four Family Real Estate Construction | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		(571)
Allowance for credit losses on loans		(571)
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	(1)	0
Schedule of changes in allowance for loan losses
Beginning Balance	11,141	1,605
Recoveries	0	0
(Reversal of) Provision for Credit Losses	83	2,599
Ending Balance	11,223	11,444
Allowance for credit losses on loans	11,223	11,444
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance		8,845
Allowance for credit losses on loans		8,845
Real Estate Construction and Land Development | Five or More Family Residential and Commercial Properties [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		7,240
Allowance for credit losses on loans		7,240
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	(185)	(375)
Schedule of changes in allowance for loan losses
Beginning Balance	5,894	6,821
Recoveries	(139)	(94)
(Reversal of) Provision for Credit Losses	(1,500)	284
Ending Balance	4,348	4,340
Allowance for credit losses on loans	$ 4,348	4,340
Consumer Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance		4,337
Allowance for credit losses on loans		4,337
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		(2,484)
Allowance for credit losses on loans		(2,484)
Unallocated
Schedule of changes in allowance for loan losses
Beginning Balance		899
(Reversal of) Provision for Credit Losses		0
Ending Balance		0
Allowance for credit losses on loans		0
Allowance for Loan and Lease Losses, Write-offs		0
Unallocated | Cumulative Effect, Period of Adoption, Adjusted Balance
Schedule of changes in allowance for loan losses
Beginning Balance		0
Allowance for credit losses on loans		0
Unallocated | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment
Schedule of changes in allowance for loan losses
Beginning Balance		(899)
Allowance for credit losses on loans		$ (899)

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