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Fair Value of Financial Instruments - Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
MSR Asset |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period |  | $ 15,637
Loss recognized in AOCI |  | 0
Purchases, issuances, sales and settlements: |  |
Sales |  | (16,087)
Settlements |  | 0
Balance at end of period |  | 0
MSR Asset | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | 450
MSR Asset | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | 0
Securities Available for Sale |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | $ 35,754 | 50,447
Gain (loss) recognized in earnings: | 0 |
Loss recognized in AOCI | 638 | 511
Purchases, issuances, sales and settlements: |  |
Purchases | 638 |
Sales |  | 0
Settlements | (1,781) | (7,803)
Balance at end of period | 35,249 | 43,155
Securities Available for Sale | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | 0
Securities Available for Sale | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | 0
Securities at Fair Value Through Income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | 6,512 | 6,808
Gain (loss) recognized in earnings: | 6 |
Loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Purchases | 0 |
Sales |  | 0
Settlements | (315) | (299)
Balance at end of period | $ 6,203 | 6,533
Securities at Fair Value Through Income | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | 0
Securities at Fair Value Through Income | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings: |  | $ 24

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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