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Investment Securities - Schedule of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Amortized Cost | $ 689,214 | $ 719,117
Fair Value |  |
Fair Value | 652,150 | 677,029
U.S. Treasury and government sponsored entities |  |
Amortized Cost |  |
Within 1 year | 134,494 |
1-5 years | 479,721 |
Amortized Cost | 614,215 | 634,582
Fair Value |  |
Within 1 year | 132,302 |
1-5 years | 446,333 |
Fair Value | 578,635 | 595,161
Corporate bonds |  |
Amortized Cost |  |
Within 1 year | 2,000 |
1-5 years | 22,015 |
5-10 years | 26,750 |
Amortized Cost | 14,015 | 24,281
Amortized Cost | 50,765 |
Fair Value |  |
Within 1 year | 1,981 |
1-5 years | 20,836 |
5-10 years | 25,842 |
Fair Value | 13,478 | 23,644
Fair Value | 48,659 |
Collateralized loan obligations |  |
Amortized Cost |  |
5-10 years | 29,670 |
Over 10 years | 30,494 |
Amortized Cost | 60,164 | 59,434
Fair Value |  |
5-10 years | 29,450 |
Over 10 years | 29,778 |
Fair Value | 59,228 | 57,429
Municipal securities |  |
Amortized Cost |  |
Within 1 year | 820 |
Amortized Cost | 820 | 820
Fair Value |  |
Within 1 year | 809 |
Fair Value | $ 809 | $ 795

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