Investment Securities - Gross Unrealized Losses for Available-for-Sale Securities (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Investment Securities [Abstract]
Less than 12 months, fair value		$ 118,003	$ 331,404
Less than 12 months, unrealized losses		556	5,941
12 months or more, fair value		94,177	68,661
12 months or more, unrealized losses		18,157	21,161
Fair value		212,180	400,065
Unrealized losses		18,713	27,102
U.S. Government-sponsored Securities [Member]
Investment Securities [Abstract]
Less than 12 months, fair value		798	600
Less than 12 months, unrealized losses		4	1
12 months or more, fair value		686	888
12 months or more, unrealized losses		11	16
Fair value		1,484	1,488
Unrealized losses		15	17
Mortgage-backed Securities [Member]
Investment Securities [Abstract]
Less than 12 months, fair value	[1]	97,156	324,202
Less than 12 months, unrealized losses	[1]	176	5,772
12 months or more, fair value	[1]	87,979	67,319
12 months or more, unrealized losses	[1]	18,007	21,136
Fair value	[1]	185,135	391,521
Unrealized losses	[1]	18,183	26,908
Collateralized Mortgage Obligations [Member]
Investment Securities [Abstract]
Less than 12 months, fair value	[1]	15,365	5,043
Less than 12 months, unrealized losses	[1]	340	147
12 months or more, fair value	[1]	5,512	454
12 months or more, unrealized losses	[1]	139	9
Fair value	[1]	20,877	5,497
Unrealized losses	[1]	479	156
Corporate Securities [Member]
Investment Securities [Abstract]
Less than 12 months, fair value		4,684	347
Less than 12 months, unrealized losses		36	5
12 months or more, fair value		0	0
12 months or more, unrealized losses		0	0
Fair value		4,684	347
Unrealized losses		$ 36	5
Commercial Mortgage-backed Securities [Member]
Investment Securities [Abstract]
Less than 12 months, fair value	[1]		1,212
Less than 12 months, unrealized losses	[1]		16
12 months or more, fair value	[1]		0
12 months or more, unrealized losses	[1]		0
Fair value	[1]		1,212
Unrealized losses	[1]		$ 16

[1] All mortgage-backed securities and collateralized mortgage obligations were issued by an agency or government sponsored entity of the U.S. Government.