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Borrowings - Summary of Borrowed Funds (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020 | Oct. 31, 2020 | Feb. 29, 2020
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Total FHLB advances and other borrowings | $ 309,801,000 | $ 984,608,000 |  |
FHLB advances |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total FHLB advances and other borrowings | 256,999,000 | 270,715,000 |  |
Subordinated indebtedness, net | 256,999,000 |  |  |
GNMA repurchase liability |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total FHLB advances and other borrowings | 43,355,000 | 55,485,000 |  |
Subordinated indebtedness, net |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Subordinated indebtedness, net | 157,417,000 | 157,181,000 |  |
Amount |  |  | $ 80,000,000 | $ 70,000,000
Interest Rate |  |  | 4.50% | 4.25%
Long-term FHLB advance |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount | $ 250,000,000 | $ 250,000,000 |  |
Interest Rate | 1.65% | 1.65% |  |
Overnight repurchase agreements with depositors |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total FHLB advances and other borrowings | $ 9,447,000 | $ 8,408,000 |  |
FHLB advances |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Total FHLB advances and other borrowings | $ 0 | 650,000,000 |  |
Federal Home Loan Bank Advances, Maturing January 2, 2020 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Amount |  | $ 650,000,000 |  |
Interest Rate |  | 0.10% |  |

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