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Fair Value - Assets and Liabilities Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Assets |  |
Total available-for-sale securities, Fair value, | $ 2,055,959 | $ 2,255,336
Collateralized Loan Obligations [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 208,944 | 247,854
Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 2,055,959 | 2,255,336
Other assets | 16,229 | 13,285
Liabilities |  |
Other liabilities | (11,149) | (4,620)
Total |  |
Net Assets (Liabilities) | 2,061,039 | 2,264,001
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets |  |
Other assets | 109 | 517
Total |  |
Net Assets (Liabilities) | 109 | 517
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 2,055,959 | 2,255,336
Other assets | 16,120 | 12,768
Liabilities |  |
Other liabilities | (8,849) | (2,320)
Total |  |
Net Assets (Liabilities) | 2,063,230 | 2,265,784
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) |  |
Liabilities |  |
Other liabilities | (2,300) | (2,300)
Total |  |
Net Assets (Liabilities) | (2,300) | (2,300)
US Treasury and Government [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 13,197 | 32,503
US Treasury and Government [Member] | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 13,197 | 32,503
US Treasury and Government [Member] | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 13,197 | 32,503
US Government-sponsored Enterprises Debt Securities [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 19,847 | 19,592
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 19,847 | 19,592
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 19,847 | 19,592
Residential - Government agency |  |
Assets |  |
Total available-for-sale securities, Fair value, | 9,367 | 10,182
Residential - Government agency | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 9,367 | 10,182
Residential - Government agency | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 9,367 | 10,182
Residential - Government-sponsored enterprises |  |
Assets |  |
Total available-for-sale securities, Fair value, | 723,591 | 783,297
Residential - Government-sponsored enterprises | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 723,591 | 783,297
Residential - Government-sponsored enterprises | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 723,591 | 783,297
Commercial - Government agency |  |
Assets |  |
Total available-for-sale securities, Fair value, | 216,010 | 218,674
Commercial - Government agency | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 216,010 | 218,674
Commercial - Government agency | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 216,010 | 218,674
Commercial - Government-sponsored enterprises |  |
Assets |  |
Total available-for-sale securities, Fair value, | 69,067 | 86,431
Commercial - Government-sponsored enterprises | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 69,067 | 86,431
Commercial - Government-sponsored enterprises | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 69,067 | 86,431
Commercial - Non-government mortgage | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 22,069 | 21,683
Commercial - Non-government mortgage | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 22,069 | 21,683
Government agency |  |
Assets |  |
Total available-for-sale securities, Fair value, | 434,141 | 471,150
Government agency | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 434,141 | 471,150
Government agency | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 434,141 | 471,150
Government-sponsored enterprises |  |
Assets |  |
Total available-for-sale securities, Fair value, | 339,726 | 363,970
Government-sponsored enterprises | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 339,726 | 363,970
Government-sponsored enterprises | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | 339,726 | 363,970
Collateralized Loan Obligations [Member] | Fair Value, Recurring [Member] |  |
Assets |  |
Total available-for-sale securities, Fair value, | 208,944 | 247,854
Collateralized Loan Obligations [Member] | Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Total available-for-sale securities, Fair value, | $ 208,944 | $ 247,854

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