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Investment Securities - Amortized Cost and Fair Value Classified by Contractual Maturity Date on Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Investment Securities, Available for Sale, Amortized Cost, Classified by Contractual Maturity Date
Due in one year or less	$ 500
Due after one year through five years	5,941
Due after five years through ten years	35,179
Due after ten years	43,296
Total investment securities due at a single maturity date	84,916
MBS	687,170
Investment Securities, Available-for-Sale, Amortized Cost, Total	772,086
Investment Securities, Available for Sale, Fair Value, Classified by Contractual Maturity
Due in one year or less	501
Due after one year through five years	5,701
Due after five years through ten years	33,160
Due after ten years	34,629
Total investment securities due at a single maturity date	73,991
MBS	642,351
Investment Securities, Available-for-Sale, Fair Value, Total	716,342
Investment Securities, Held to Maturity, Amortized Cost, Classified by Contractual Maturity Date
Due in one year or less	0
Due after one year through five years	0
Due after five years through ten years	101,537
Due after ten years	49,709
Total investment securities due at a single maturity date	151,246
MBS(1)	546,315
Investment Securities, Held-to-Maturity, Amortized Cost, Total	697,561	$ 703,285
Investment Securities, Held for Sale, Fair Value, Classified by Contractual Maturity
Due in one year or less	0
Due after one year through five years	0
Due after five years through ten years	87,367
Due after ten years	38,793
Total investment securities due at a single maturity date	126,160
MBS(1)	506,488
Investment Securities, Held-to-Maturity, Fair Value, Total	$ 632,648	$ 623,452

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