Fair Value Measurements (Details 7) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Cash and due from banks	$ 66,866	$ 84,703
Federal funds sold and interest bearing deposits with other banks	27,171	38,094
Investment securities available-for-sale	1,713,480	1,775,128
Other investments	25,293	25,293
Mortgages held for sale	2,068	3,914
Loans and leases, net of allowance for loan and lease losses	5,974,205	5,871,894
Liabilities:
Long-term debt and mandatorily redeemable securities	46,714	46,555
Subordinated notes	58,764	58,764
Carrying or Contract Value
Assets:
Cash and due from banks	66,866	84,703
Federal funds sold and interest bearing deposits with other banks	27,171	38,094
Investment securities available-for-sale	1,713,480	1,775,128
Other investments	25,293	25,293
Mortgages held for sale	2,068	3,914
Loans and leases, net of allowance for loan and lease losses	5,974,205	5,871,894
Mortgage servicing rights	4,007	4,137
Accrued interest receivable	24,872	24,747
Interest rate swaps	19,724	24,838
Liabilities:
Deposits	6,801,464	6,928,265
Short-term borrowings	303,036	215,529
Long-term debt and mandatorily redeemable securities	46,714	46,555
Subordinated notes	58,764	58,764
Accrued interest payable	13,598	5,999
Interest rate swaps	20,094	25,307
Off-balance-sheet instruments	0	0
Fair Value
Assets:
Cash and due from banks	66,866	84,703
Federal funds sold and interest bearing deposits with other banks	27,171	38,094
Investment securities available-for-sale	1,713,480	1,775,128
Other investments	25,293	25,293
Mortgages held for sale	2,068	3,914
Loans and leases, net of allowance for loan and lease losses	5,839,491	5,712,972
Mortgage servicing rights	8,053	8,007
Accrued interest receivable	24,872	24,747
Interest rate swaps	19,724	24,838
Liabilities:
Deposits	6,787,043	6,909,392
Short-term borrowings	303,036	215,529
Long-term debt and mandatorily redeemable securities	45,471	45,111
Subordinated notes	53,297	51,398
Accrued interest payable	13,598	5,999
Interest rate swaps	20,094	25,307
Off-balance-sheet instruments	99	108
Level 1
Assets:
Cash and due from banks	66,866	84,703
Federal funds sold and interest bearing deposits with other banks	27,171	38,094
Investment securities available-for-sale	548,587	573,679
Other investments	25,293	25,293
Mortgages held for sale	0	0
Loans and leases, net of allowance for loan and lease losses	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	0	0
Interest rate swaps	0	0
Liabilities:
Deposits	5,390,359	5,787,806
Short-term borrowings	71,856	139,079
Long-term debt and mandatorily redeemable securities	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Interest rate swaps	0	0
Off-balance-sheet instruments	0	0
Level 2
Assets:
Cash and due from banks	0	0
Federal funds sold and interest bearing deposits with other banks	0	0
Investment securities available-for-sale	1,160,572	1,199,985
Other investments	0	0
Mortgages held for sale	2,068	3,914
Loans and leases, net of allowance for loan and lease losses	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	24,872	24,747
Interest rate swaps	19,724	24,838
Liabilities:
Deposits	1,396,684	1,121,586
Short-term borrowings	231,180	76,450
Long-term debt and mandatorily redeemable securities	45,471	45,111
Subordinated notes	53,297	51,398
Accrued interest payable	13,598	5,999
Interest rate swaps	20,094	25,307
Off-balance-sheet instruments	99	108
Level 3
Assets:
Cash and due from banks	0	0
Federal funds sold and interest bearing deposits with other banks	0	0
Investment securities available-for-sale	4,321	1,464
Other investments	0	0
Mortgages held for sale	0	0
Loans and leases, net of allowance for loan and lease losses	5,839,491	5,712,972
Mortgage servicing rights	8,053	8,007
Accrued interest receivable	0	0
Interest rate swaps	0	0
Liabilities:
Deposits	0	0
Short-term borrowings	0	0
Long-term debt and mandatorily redeemable securities	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Interest rate swaps	0	0
Off-balance-sheet instruments	$ 0	$ 0