Securities - Amortized cost and fair value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	$ 1,282,348	$ 1,257,745
Unrealized Gains	4,682	5,285
Unrealized Losses	(118,828)	(113,504)
Fair Value	1,168,202	1,149,526
U.S. Government agencies
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	99,213	91,945
Unrealized Gains	42	114
Unrealized Losses	(8,004)	(7,749)
Fair Value	91,251	84,310
Mortgage Backed Securities - residential
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	570,584	573,002
Unrealized Gains	203	873
Unrealized Losses	(61,392)	(58,456)
Fair Value	509,395	515,419
Mortgage Backed Securities - commercial
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	12,607	12,712
Unrealized Gains		2
Unrealized Losses	(529)	(328)
Fair Value	12,078	12,386
Collateralized mortgage obligations
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	176,150	179,638
Unrealized Gains	32	82
Unrealized Losses	(23,657)	(21,622)
Fair Value	152,525	158,098
State and municipal obligations
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	403,478	379,894
Unrealized Gains	1,716	1,280
Unrealized Losses	(23,206)	(23,456)
Fair Value	381,988	357,718
Municipal taxable
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	20,068	20,554
Unrealized Gains	38	84
Unrealized Losses	(2,040)	(1,893)
Fair Value	18,066	18,745
Collateralized debt obligations
Amortized cost and fair value of investments classified as available for sale
Amortized Cost	248
Unrealized Gains	2,651	2,850
Fair Value	$ 2,899	$ 2,850

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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