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Securities - Schedule of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Amortized Cost |  |
Due in one year or less | $ 4,154 |
Due after one year through five years | 14,968 |
Due after five years through ten years | 56,769 |
Due after ten years | 843,779 |
Amortized Cost | 1,961,667 | $ 2,094,826
Fair Value |  |
Due in one year or less | 4,156 |
Due after one year through five years | 15,055 |
Due after five years through ten years | 55,364 |
Due after ten years | 708,050 |
Fair Value | 1,670,256 | 1,761,669
MBS/CMO |  |
Amortized Cost |  |
Securities without single maturity | 811,898 |
Amortized Cost | 811,898 | 846,519
Fair Value |  |
Securities without single maturity | 692,356 |
Fair Value | 692,356 | 714,681
US Gov’t Sponsored Entities & Agencies |  |
Amortized Cost |  |
Securities without single maturity | 230,099 |
Amortized Cost | 230,099 | 245,017
Fair Value |  |
Securities without single maturity | 195,275 |
Fair Value | $ 195,275 | $ 205,017

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