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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2041 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Investment Program, Proportional Amortization Method, Elected [Line Items] |  |  |  |  |  |
Amortization Method Qualified Affordable Housing Project Investments | $ 202,200 |  |  |  |  | $ 207,300
Amortization Method Qualified Affordable Housing Project Investments, Amortization | 5,100 | $ 4,100 |  |  |  |
Qualified Affordable Housing Project Investments, Commitment | 98,400 |  |  |  |  | $ 107,900
Affordable Housing Project Investment, Write-down, Amount | $ 0 | $ 0 |  |  |  |
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] | Prepaid Expense and Other Assets |  |  |  |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | Income Tax Expense (Benefit) |  |  |  |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] |  |  |  |  |  |
Subsequent Event |  |  |  |  |  |
Investment Program, Proportional Amortization Method, Elected [Line Items] |  |  |  |  |  |
Qualified Affordable Housing Project Investments, Commitment |  |  | $ 16,000 | $ 63,000 | $ 19,300 |

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