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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |  |
Net tax credits | $ 19,100 | $ 11,900 | $ 14,000
Net tax expense (benefit) | 31,091 | (368) | (9,874)
Increase (decrease) in deferred income taxes | (52,400) |  |
Deferred income tax expense (benefit) | 18,183 | (53,634) | (69,664)
Benefit allocated directly to AOCL | 2,500 |  |
Valuation allowance | 64,422 | 28,746 |
Increase (decrease) in valuation allowance | 35,700 |  |
Unrecognized deferred tax liability for thrift bad-debt reserves | 63,200 | 63,200 |
Cumulative taxable temporary differences | 233,100 | 233,100 |
Unrecognized tax benefits that would impact effective tax rate | 11,600 | 12,400 | 9,100
Interest and penalties | 3,100 | 1,800 | $ 100
Accrued interest and penalties related to UTBs | 6,900 | $ 3,800 |
Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Decrease in unrecognized tax benefits reasonably possible | 900 |  |
Maximum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Decrease in unrecognized tax benefits reasonably possible | 8,800 |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, operating loss carryforwards | 1,100,000 |  |
Domestic Tax Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, operating loss carryforwards | 21,500 |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net tax credits | 1,100 |  |
Net tax expense (benefit) | 29,400 |  |
Valuation allowance | 62,700 |  |
Deferred tax assets, net operating loss carryforwards subject to expiration | 1,100,000 |  |
Tax credit carryforwards subject to expiration | 300 |  |
Foreign Tax Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance | 1,700 |  |
Net Operating Losses |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Increase (decrease) in valuation allowance | 29,400 |  |
Capital Losses |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Increase (decrease) in valuation allowance | 1,700 |  |
Domestic Tax Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net operating loss carryforwards subject to expiration | 400 |  |
Ametros |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax liability, net | 35,900 |  |
Ametros | Acquired Deferred Tax Assets |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Increase (decrease) in valuation allowance | $ 3,100 |  |

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