Fair Value - Carrying amounts and estimated fair value of financial instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	$ 82,095	$ 222,517
Federal funds sold	363	9,374
Securities available-for-sale	1,299,226	1,330,481
Restricted stock	15,391	15,378
Loans, net	2,937,476	2,930,680
Accrued interest receivable	21,311	21,288
Deposits	(4,056,356)	(4,369,402)
Short-term borrowings	(128,859)	(70,875)
Other Borrowings	(134,401)	(8,788)
Accrued interest payable	(1,254)	(483)
Level 1
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	28,661	29,400
Level 2
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	53,434	193,117
Federal funds sold	363	9,374
Securities available-for-sale	1,295,105	1,325,950
Accrued interest receivable	6,789	5,529
Deposits	(4,056,356)	(4,369,402)
Short-term borrowings	(128,859)	(70,875)
Other Borrowings	(134,401)	(8,788)
Accrued interest payable	(1,254)	(483)
Level 3
Carrying amount and estimated fair value of financial instruments
Securities available-for-sale	4,121	4,531
Loans, net	2,937,476	2,930,680
Accrued interest receivable	14,522	15,759
Carrying Value
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	82,095	222,517
Federal funds sold	363	9,374
Securities available-for-sale	1,299,226	1,330,481
Restricted stock	15,391	15,378
Loans, net	3,094,731	3,027,659
Accrued interest receivable	21,311	21,288
Deposits	(4,063,155)	(4,368,871)
Short-term borrowings	(128,859)	(70,875)
Other Borrowings	(134,582)	(9,589)
Accrued interest payable	$ (1,254)	$ (483)