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Investment Securities - Contractual Maturities of Securities Available-for-Sale (Details) $ in Thousands | Dec. 31, 2024 USD ($)
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Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | $ 0
Due after one year through five years | 40,521
Due after five years through ten years | 482,408
Due after ten years | 2,003,715
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 2,526,644
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 40,287
Due after five years through ten years | 450,897
Due after ten years | 1,755,655
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 2,246,839
Residential Mortgage Backed Securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 1,051,601
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 1,051,601
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 861,840
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 861,840
Commercial Mortgage Backed Securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 30,384
Due after five years through ten years | 9,994
Due after ten years | 12,232
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 52,610
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 30,312
Due after five years through ten years | 9,979
Due after ten years | 11,273
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 51,564
Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 14,892
Due after ten years | 452,427
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 467,319
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 14,899
Due after ten years | 431,732
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 446,631
US States and Political Subdivisions Debt Securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 602
Due after five years through ten years | 0
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 602
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 594
Due after five years through ten years | 0
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 594
Corporate Debt Securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 5,000
Due after five years through ten years | 284,098
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 289,098
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 4,842
Due after five years through ten years | 252,870
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 257,712
Private Label Collateralized Mortgage Obligations [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 352,615
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 352,615
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 316,910
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 316,910
Collateralized Loan Obligations [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 4,535
Due after five years through ten years | 167,864
Due after ten years | 106,577
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 278,976
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 4,539
Due after five years through ten years | 167,973
Due after ten years | 106,904
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 279,416
Mortgage-backed Securities, Issued by Private Enterprises |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 996
Due after ten years | 12,589
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 13,585
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 976
Due after ten years | 11,396
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 12,372
Asset-backed Securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 15,674
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 15,674
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 0
Due after ten years | 15,600
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | 15,600
SBA asset-backed securities [Member] |
Investment Securities, Available-for-Sale, Amortized Cost |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 4,564
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | 4,564
Investment Securities, Available-for-Sale, Estimated Fair Value |
Due in one year or less | 0
Due after one year through five years | 0
Due after five years through ten years | 4,200
Due after ten years | 0
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | $ 4,200

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