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Derivative Instruments - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Derivative [Line Items] |  |  |
Net unrealized gains (losses) arising during the period | $ 43,600,000 | $ (70,101,000) | $ (40,606,000)
Pre-tax income (loss) | (16,900,000) | (20,600,000) | (23,700,000)
Cash flow hedge loss to be reclassified | 1,000,000 |  |
Cash flow hedge termination loss | 4,000,000 |  |
Reclaim cash collateral | 21,200,000 | 34,600,000 |
Obligation to return cash collateral | $ 4,600,000 | 4,600,000 |
Mortgage Derivatives |  |  |
Derivative [Line Items] |  |  |
Derivative, term of contract | 90 days |  |
Cash Flow Hedging |  |  |
Derivative [Line Items] |  |  |
Net unrealized gains (losses) arising during the period | $ 0 | 0 | $ 0
Fair Value Hedges | Interest Rate Contracts | Long-term debt |  |  |
Derivative [Line Items] |  |  |
Hedged liability, discontinued fair value hedge |  | $ 198,400,000 |

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