Investment Securities - Gross Unrealized Losses on Available-for-sale Securities and the Related Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securities available for sale
Less than 12 months, fair value	$ 39,026	$ 44,262
Less than 12 months, unrealized losses	(118)	(422)
More than 12 months, fair value	336,277	368,225
More than 12 months, unrealized losses	(8,400)	(11,536)
Fair Value	375,303	412,487
Unrealized Losses	(8,518)	(11,958)
Securities Held to Maturity
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	20,593	20,575
More than 12 months, unrealized losses	(1,157)	(1,175)
Fair Value	20,593	20,575
Unrealized Losses	(1,157)	(1,175)
U.S. Treasury and government sponsored entities
Securities available for sale
Less than 12 months, fair value	29,664	44,262
Less than 12 months, unrealized losses	(113)	(422)
More than 12 months, fair value	331,441	358,446
More than 12 months, unrealized losses	(8,227)	(11,311)
Fair Value	361,105	402,708
Unrealized Losses	(8,340)	(11,733)
Corporate bonds
Securities available for sale
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	4,836	4,786
More than 12 months, unrealized losses	(173)	(223)
Fair Value	4,836	4,786
Unrealized Losses	(173)	(223)
Securities Held to Maturity
Less than 12 months, fair value	0	0
Less than 12 months, unrealized losses	0	0
More than 12 months, fair value	20,593	20,575
More than 12 months, unrealized losses	(1,157)	(1,175)
Fair Value	20,593	20,575
Unrealized Losses	(1,157)	(1,175)
Collateralized loan obligations
Securities available for sale
Less than 12 months, fair value	9,362	0
Less than 12 months, unrealized losses	(5)	0
More than 12 months, fair value	0	4,993
More than 12 months, unrealized losses	0	(2)
Fair Value	9,362	4,993
Unrealized Losses	$ (5)	$ (2)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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