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Investments in Securities - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2024 | Dec. 31, 2023
INVESTMENT SECURITIES |  |  |
Fair value of debt securities reported less than their historical cost |  | $ 523,900,000 | $ 456,900,000
Available sale of debt securities reported less than their historical cost percent of investment portfolio |  | 98.20% | 95.50%
Amortized Carrying Value |  | $ 187,433,000 | $ 195,023,000
Total fair value of held-to-maturity |  | 162,765,000 | 171,193,000
Allowance for credit losses on securities |  | 0 |
Securities transferred from available for sale portfolio to held to maturity portfolio | $ 226,500,000 | 0 |
Net of income tax | 775,000 |  |
Net unrealized gains on transfers | $ 1,000,000 |  |
unrealized gross loss |  | 262,000 |
Unrealized losses |  | $ 198,000 |
Held to Maturity investment portfolio reported less than their historical cost as a percent of investment portfolio |  | 100.00% |
Debt Securities, Available-for-Sale |  | $ 533,373,000 | 478,207,000
Federal National Mortgage Association Certificates and Obligations (FNMA) |  |  |
INVESTMENT SECURITIES |  |  |
Agency collateralized mortgage obligations |  | 46,000,000 | 4,100,000
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) |  |  |
INVESTMENT SECURITIES |  |  |
Agency collateralized mortgage obligations |  | 63,000,000 | 66,500,000
Government National Mortgage Association Certificates and Obligations (GNMA) |  |  |
INVESTMENT SECURITIES |  |  |
Agency collateralized mortgage obligations |  | 4,600,000 | 5,300,000
Collateralized Mortgage Obligations [Member] |  |  |
INVESTMENT SECURITIES |  |  |
Amortized Carrying Value |  | 108,353,000 | 113,903,000
Total fair value of held-to-maturity |  | 92,858,000 | 99,241,000
Debt Securities, Available-for-Sale |  | 113,624,000 | 75,946,000
Fixed rates of interest |  |  |
INVESTMENT SECURITIES |  |  |
Mortgage backed securities |  | 305,900,000 | 280,200,000
Federal National Mortgage Association Certificates and Obligations (FNMA) |  |  |
INVESTMENT SECURITIES |  |  |
Agency mortgage-backed securities |  | 205,600,000 | 190,900,000
Federal Home Loan Mortgage Corporation Certificates and Obligations (FHLMC) |  |  |
INVESTMENT SECURITIES |  |  |
Agency mortgage-backed securities |  | 98,500,000 | 86,400,000
Government National Mortgage Association Certificates and Obligations (GNMA) |  |  |
INVESTMENT SECURITIES |  |  |
Agency mortgage-backed securities |  | $ 1,800,000 | $ 2,900,000

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