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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 | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
MSRs |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Balance at beginning of period | $ 20,824 | $ 16,220
Loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Originations | 708 | 2,286
Purchases |  | 0
Acquired in BTH merger |  | 1,099
Sales | (1,806) |
Settlements | 0 | 0
Balance at end of period | 15,637 | 20,824
MSRs | Mortgage banking revenue |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | (4,089) | 1,219
MSRs | Other noninterest income |  |
Changes in Level 3 assets and liabilities measured at fair value on a recurring basis |  |
Gain (loss) recognized in earnings | 0 | 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 | 55,769 | 41,461
Loss recognized in AOCI | (193) | (4,421)
Purchases, issuances, sales and settlements: |  |
Originations | 0 | 0
Purchases |  | 22,384
Acquired in BTH merger |  | 0
Sales | 0 |
Settlements | (5,129) | (3,655)
Balance at end of period | 50,447 | 55,769
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 | 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 | 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 | 6,368 | 7,497
Loss recognized in AOCI | 0 | 0
Purchases, issuances, sales and settlements: |  |
Originations | 0 | 0
Purchases |  | 0
Acquired in BTH merger |  | 0
Sales | 0 |
Settlements | (285) | (275)
Balance at end of period | 6,808 | 6,368
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 | 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 | $ 725 | $ (854)

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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Acquisition + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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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/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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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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