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Summary of Significant Accounting Policies, New Accounting Standards (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jan. 27, 2023 | Mar. 31, 2024 | Dec. 31, 2023
Tax Investments [Abstract] |  |  |
Retained earnings |  | $ 492,869 | $ 484,400
Accounting Standards Update 2023-02 [Member] |  |  |
Tax Investments [Abstract] |  |  |
Impairment recognized resulting from the forfeiture or ineligibility of income tax credits or other circumstances |  | 0 |
Unfunded commitment |  | 4,700 |
Accounting Standards Update 2023-02 [Member] | Income Tax Expense [Member] |  |  |
Tax Investments [Abstract] |  |  |
Amortization expenses recognized |  | 800 |
Income tax credits and other tax benefits recognized |  | 1,100 |
Accounting Standards Update 2023-02 [Member] | Pre-Tax Income [Member] |  |  |
Tax Investments [Abstract] |  |  |
Investment income or loss |  | 0 |
Accounting Standards Update 2023-02 [Member] | Other Assets [Member] |  |  |
Tax Investments [Abstract] |  |  |
Tax investments |  | 18,300 |
Accounting Standards Update 2023-02 [Member] | Unfunded Commitments [Member] |  |  |
Unfunded Commitments [Abstract] |  |  |
2024 |  | 1,512 |
2025 |  | 2,000 |
2026 |  | 315 |
2027 |  | 146 |
2028 |  | 146 |
After |  | 538 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2023-02 [Member] |  |  |
Tax Investments [Abstract] |  |  |
Retained earnings |  | $ (2,000) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2023-02 [Member] | Other Direct Expenses [Member] |  |  |
Tax Investments [Abstract] |  |  |
Amortization expenses recognized |  |  | $ (700)
3-Month CME Term SOFR [Member] | SOFR [Member] |  |  |
Long-term debt [Abstract] |  |  |
Term of variable rate | 3 months |  |
Basis spread on variable rate | 0.26161% |  |
6-Month CME Term SOFR [Member] | SOFR [Member] |  |  |
Long-term debt [Abstract] |  |  |
Term of variable rate | 6 months |  |
Basis spread on variable rate | 0.42826% |  |

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