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Loans and Allowance for Credit Losses - Individual and Collective Allowance for Credit Losses on Financing Receivables and Loan Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss [Line Items]
ACL Allocation	$ 42,213	$ 95,739
Collateral dependent loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	59,001	129,356
ACL Allocation	14,716	58,210
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	2,298	12,616
ACL Allocation	283	1,334
Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	987	2,317
ACL Allocation	0	271
1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	1,699	2,196
ACL Allocation	39	34
Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	2,045	2,530
ACL Allocation	0	0
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	8,869	17,007
ACL Allocation	1,733	5,163
Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	42,863	92,437
ACL Allocation	12,640	51,371
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	240	253
ACL Allocation	21	37
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
ACL Allocation	0	0
Real Estate | Collateral dependent loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	6,770	20,721
Real Estate | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	2,143	12,454
Real Estate | Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	987	2,317
Real Estate | 1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	1,583	1,948
Real Estate | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	1,803	2,189
Real Estate | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	254	1,813
Real Estate | Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Real Estate | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Real Estate | Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Collateral dependent loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	42,863	92,437
Accounts Receivable | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | 1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	42,863	92,437
Accounts Receivable | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Accounts Receivable | Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | Collateral dependent loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	5,724	5,985
Equipment | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | 1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	126	143
Equipment | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	5,598	5,842
Equipment | Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Equipment | Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Other | Collateral dependent loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	3,644	10,213
Other | Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	155	162
Other | Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Other | 1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	116	248
Other | Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	116	198
Other | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	3,017	9,352
Other | Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	0	0
Other | Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	240	253
Other | Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable collateral dependent amortized cost	$ 0	$ 0

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Financing Receivable Collateral Dependent Amortized Cost

+ References

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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