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Loans and Allowance for Credit Losses - Schedule of Loans Modified as Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) loanReceivable | Dec. 31, 2020 USD ($) loanReceivable | Dec. 31, 2019 USD ($) loanReceivable
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 1,438 | $ 19,964 | $ 7,105
Number of Loans | loanReceivable | 3 | 29 | 14
Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 0 | $ 8,208 | $ 1,762
Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 697 | 11,756 | 153
Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 741 | 0 | 0
AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 4,597
Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 593
Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 741 | $ 727 | $ 4,597
Number of Loans | loanReceivable | 1 | 3 | 1
Commercial real estate | Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 0 | $ 0 | $ 0
Commercial real estate | Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 727 | 0
Commercial real estate | Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 741 | 0 | 0
Commercial real estate | AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 4,597
Commercial real estate | Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 0
Construction, land development, land |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 989 |
Number of Loans | loanReceivable |  | 2 |
Construction, land development, land | Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 8 |
Construction, land development, land | Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 981 |
Construction, land development, land | Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Construction, land development, land | AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Construction, land development, land | Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
1-4 family residential properties |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 171 | $ 38
Number of Loans | loanReceivable |  | 1 | 2
1-4 family residential properties | Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 0 | $ 0
1-4 family residential properties | Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 171 | 38
1-4 family residential properties | Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 | 0
1-4 family residential properties | AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 | 0
1-4 family residential properties | Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 | 0
Farmland |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 3,486 |
Number of Loans | loanReceivable |  | 1 |
Farmland | Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | $ 3,486 |
Farmland | Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Farmland | Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Farmland | AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Farmland | Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications |  | 0 |
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 697 | $ 14,591 | $ 2,470
Number of Loans | loanReceivable | 2 | 22 | 11
Commercial | Extended Amortization Period |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 0 | $ 4,714 | $ 1,762
Commercial | Payment Deferrals |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 697 | 9,877 | 115
Commercial | Protective Advances |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 0
Commercial | AB Note Restructure |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | 0 | 0 | 0
Commercial | Extended Maturity and Reduced Interest Rate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Modifications | $ 0 | $ 0 | $ 593

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