Investment Securities, Gross Unrealized Losses for Available-for-Sale Securities (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value		$ 255,281	$ 331,404
12 months or more, fair value		68,565	68,661
Fair value		323,846	400,065
Less than 12 months, unrealized losses		2,441	5,941
12 months or more, unrealized losses		19,533	21,161
Unrealized losses		21,974	27,102
U.S. Government-sponsored Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value		556	600
12 months or more, fair value		841	888
Fair value		1,397	1,488
Less than 12 months, unrealized losses		0	1
12 months or more, unrealized losses		15	16
Unrealized losses		15	17
Mortgage-backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value	[1]	249,596	324,202
12 months or more, fair value	[1]	67,291	67,319
Fair value	[1]	316,887	391,521
Less than 12 months, unrealized losses	[1]	2,354	5,772
12 months or more, unrealized losses	[1]	19,510	21,136
Unrealized losses	[1]	21,864	26,908
Commercial Mortgage-backed Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value	[1]	0	1,212
12 months or more, fair value	[1]	0	0
Fair value	[1]	0	1,212
Less than 12 months, unrealized losses	[1]	0	16
12 months or more, unrealized losses	[1]	0	0
Unrealized losses	[1]	0	16
Collateralized Mortgage Obligations [Member]
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value	[1]	5,129	5,043
12 months or more, fair value	[1]	433	454
Fair value	[1]	5,562	5,497
Less than 12 months, unrealized losses	[1]	87	147
12 months or more, unrealized losses	[1]	8	9
Unrealized losses	[1]	95	156
Corporate Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Positions [Abstract]
Less than 12 months, fair value		0	347
12 months or more, fair value		0	0
Fair value		0	347
Less than 12 months, unrealized losses		0	5
12 months or more, unrealized losses		0	0
Unrealized losses		$ 0	$ 5

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