Securities - Fair value and gross unrealized losses (Details) $ in Thousands	Dec. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Number of Securities
Number of Securities | security	72	78
Gross Unrealized Losses
Less than 12 months	$ (704)	$ (2,963)
12 months or more	(3,982)	(7,416)
Total	(4,686)	(10,379)
Fair Value
Less than 12 months	48,173	92,351
12 months or more	113,209	92,154
Total	$ 161,382	$ 184,505
U.S. Treasury securities
Number of Securities
Number of Securities | security	8	18
Gross Unrealized Losses
Less than 12 months	$ (11)	$ (152)
12 months or more	(92)	(337)
Total	(103)	(489)
Fair Value
Less than 12 months	8,929	35,388
12 months or more	10,945	6,646
Total	$ 19,874	$ 42,034
U.S. Government Agencies
Number of Securities
Number of Securities | security		2
Gross Unrealized Losses
Less than 12 months		$ (7)
Total		(7)
Fair Value
Less than 12 months		4,999
Total		$ 4,999
Agency mortgage-backed securities
Number of Securities
Number of Securities | security	25	17
Gross Unrealized Losses
Less than 12 months	$ (301)	$ (1,196)
12 months or more	(952)	(1,703)
Total	(1,253)	(2,899)
Fair Value
Less than 12 months	26,876	30,229
12 months or more	31,890	8,955
Total	$ 58,766	$ 39,184
Agency collateralized mortgage obligations
Number of Securities
Number of Securities | security	4	3
Gross Unrealized Losses
Less than 12 months	$ (7)	$ (304)
12 months or more	(67)	(3)
Total	(74)	(307)
Fair Value
Less than 12 months	1,995	8,265
12 months or more	7,324	113
Total	$ 9,319	$ 8,378
Corporate bonds
Number of Securities
Number of Securities | security	24	29
Gross Unrealized Losses
Less than 12 months	$ (356)	$ (1,250)
12 months or more	(2,725)	(5,087)
Total	(3,081)	(6,337)
Fair Value
Less than 12 months	6,634	8,748
12 months or more	53,538	69,134
Total	$ 60,172	$ 77,882
Municipal obligations
Number of Securities
Number of Securities | security	6	6
Gross Unrealized Losses
Less than 12 months	$ (1)
12 months or more	(71)	$ (286)
Total	(72)	(286)
Fair Value
Less than 12 months	1,440
12 months or more	5,084	7,306
Total	$ 6,524	$ 7,306
SBA securities
Number of Securities
Number of Securities | security	5	3
Gross Unrealized Losses
Less than 12 months	$ (28)	$ (54)
12 months or more	(75)
Total	(103)	(54)
Fair Value
Less than 12 months	2,299	4,722
12 months or more	4,428
Total	$ 6,727	$ 4,722