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Securities - Additional Information (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 USD ($) security | Mar. 31, 2022 USD ($) security | Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security | Dec. 31, 2020 USD ($)
Investments, Debt and Equity Securities [Abstract] |  |  |  |  |
Number of securities | security | 475 | 793 |  | 475 |
Aggregate fair value of securities | $ 490,200,000 | $ 120,900,000 |  | $ 490,200,000 |
Gain(Loss) from net unrealized holdings, net of tax | $ 5,900,000 | $ (814,000) | $ (118,006,000) | $ (24,117,000) | $ 24,424,000
Number of securities in unrealized loss positions | security | 1,129 |  | 2,828 | 1,129 |
Unrealized loss positions | $ 1,535,967,000 |  | $ 2,599,464,000 | $ 1,535,967,000 |
Percentage of portfolio |  |  | 86.00% | 57.00% |
Allowance for credit losses for available for sale debt securities | 0 |  | $ 0 | $ 0 |
Accrued interest receivable on available for sale debt securities | $ 14,600,000 |  | 17,800,000 | 14,600,000 |
Tax effect of the proceeds from sale of securities |  |  | 0 | $ 192,000 | $ 902,000
Pledged of fair value of securities as collateral |  |  | 160,500,000 |  |
Amortization cost of securities as collateral not separately reported |  |  | 186,400,000 |  |
Debt instrument repurchase agreement |  |  | 137,900,000 |  |
Securities pledged for federal home loan bank at fair value |  |  | 405,200,000 |  |
Securities for federal home loan bank not separately reported |  |  | 439,200,000 |  |
Debt instrument federal home loan bank |  |  | 244,000,000 |  |
Securities pledged for derivative at fair value |  |  | 24,800,000 |  |
Securities pledged for derivative at amortized cost |  |  | 27,100,000 |  |
Debt instrument derivative swap agreement |  |  | $ 43,800,000 |  |

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