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v3.22.4

Other Borrowings and Notes Payable (Details) - USD ($) | 2 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2022 | Feb. 28, 2019 | Feb. 29, 2016 | Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |  |  |  |
Securities sold under agreement to repurchase |  |  |  | $ 270,773,000 | $ 331,006,000
Other borrowings |  |  |  | 324,119,000 | 353,863,000
Loans Payable |  |  |  | 17,143,000 | 22,857,000
Unsecured Term Loan Agreement ("Term Loan") |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term (in years) |  | 5 years |  |  |
Unsecured term loan, face amount |  | $ 40,000,000 |  |  |
Unsecured Term Loan Agreement ("Term Loan") | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread |  | 1.25% |  |  |
Unsecured Term Loan Agreement ("Term Loan") | Secured Overnight Financing Rate (SOFR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread | 1.36% |  |  |  |
Other Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Average balance during the year |  |  |  | 211,039,000 | 225,895,000
Maximum balance outstanding at any month-end |  |  |  | $ 284,269,000 | $ 331,006,000
Average interest rate during the year |  |  |  | 0.24% | 0.10%
Average interest rate at December 31 |  |  |  | 1.44% | 0.06%
Other Borrowings | New Market Tax Credit Investments |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Other borrowings |  |  |  | $ 36,200,000 |
Interest rate |  |  |  | 1.00% |
Term of interest (in years) |  |  |  | 7 years |
Other Borrowings | New Market Tax Credit Investments | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term (in years) |  |  |  | 26 years |
Other Borrowings | New Market Tax Credit Investments | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term (in years) |  |  |  | 31 years |
Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Remaining borrowing capacity |  |  |  | $ 1,400,000,000 |
Aggregate of pledge secured by certain eligible loans |  |  |  | 1,600,000,000 |
Amount withdrawn |  |  |  | 0 |
Line of Credit | Senior Unsecured Revolving Credit Agreement ("Revolving Agreement") | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Term (in years) | 1 year |  | 1 year |  |
Line of Credit, Current |  |  | $ 25,000,000 |  |
Line of Credit | Senior Unsecured Revolving Credit Agreement ("Revolving Agreement") | Revolving Credit Facility | LIBOR |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread |  |  | 1.25% |  |
Line of Credit | Senior Unsecured Revolving Credit Agreement ("Revolving Agreement") | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread | 1.36% |  |  |  |
Unsecured Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Average balance during the year |  |  |  | 20,681,000 | $ 26,427,000
Maximum balance outstanding at any month-end |  |  |  | $ 22,857,000 | $ 28,571,000
Average interest rate during the year |  |  |  | 2.94% | 1.40%
Average interest rate at December 31 |  |  |  | 5.48% | 1.38%

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