Tax Credit Investments - Income Statement Disclosures (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Components of income tax expense: | ||||
| Affordable housing tax credits and other tax benefits | $ 1,644 | $ 2,151 | $ 3,360 | $ 3,376 |
| Other tax credit investment credits and tax benefits | 18,058 | 10,120 | 35,642 | 21,009 |
| Total reduction in income tax expense | 19,702 | 12,271 | 39,002 | 24,385 |
| Income Statement Location [Axis]: us-gaap:NoninterestExpense | ||||
| Amortization of tax credit investments: | ||||
| Affordable housing tax credit investment losses | 996 | 1,050 | 2,255 | 1,750 |
| Affordable housing tax credit investment impairment losses | 171 | 374 | 339 | 739 |
| Other tax credit investment losses | 4,333 | 3,622 | 6,547 | 4,394 |
| Other tax credit investment impairment losses | 10,657 | 4,088 | 23,030 | 11,571 |
| Total amortization of tax credit investments recorded in non-interest expense | $ 16,157 | $ 9,134 | $ 32,171 | $ 18,454 |