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v3.25.0.1

Investments - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2024 USD ($) security | Dec. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) | Mar. 31, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Vertical risk retention interest |  | 5.00% | 5.00% |  |
Increase in trading investments |  | $ 0 | $ 0 | $ 5,117 |
Trading investments |  | $ 53,262 | $ 54,481 |  |
Number of government sponsored securities with unrealized losses | security |  | 236 | 213 |  |
Number of mortgage-backed securities | security |  | 278 | 248 |  |
Par value of mortgage-backed securities pledged to FRB |  | $ 610,000 | $ 612,000 |  |
Non-marketable securities investment |  | 24,000 | 14,000 |  |
Gain (loss) on non-marketable securities investment | $ (60,000) |  |  |  |
Low income housing tax credit investments |  | 13,000 | 11,000 | 9,000 |
Amount of amortization reported in income tax expense |  | 10,000 | 9,000 | $ 7,000 |
Total carrying value of LIHTC investments |  | 82,000 | 72,000 |  |
Liability for unfunded commitments |  | $ 30,000 | $ 30,000 |  |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Cash Flows [Extensible Enumeration] |  | Deferred tax provision (benefit) |  |  |
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Income tax expense |  |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Income tax expense |  |  |
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Cash Flows [Extensible Enumeration] |  | Accretion (Amortization) of Discounts and Premiums, Investments |  |  |
Investment, Proportional Amortization Method, Elected, Statement of Financial Position [Extensible Enumeration] |  | Investments |  |  |
Equity Securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Non-marketable securities investment |  |  |  |  | $ 5,000

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