Fair Value Measurements (Details 7) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets:
Cash and due from banks	$ 69,195	$ 54,420
Federal funds sold and interest bearing deposits with other banks	347,697	470,767
Investment securities available-for-sale	1,857,431	1,863,041
Other investments	25,538	27,189
Mortgages held for sale	4,757	13,284
Loans and leases, net of allowance for loan and lease losses	5,264,044	5,218,722
Liabilities:
Long-term debt and mandatorily redeemable securities	69,563	71,251
Subordinated notes	58,764	58,764
Carrying or Contract Value
Assets:
Cash and due from banks	69,195	54,420
Federal funds sold and interest bearing deposits with other banks	347,697	470,767
Investment securities available-for-sale	1,857,431	1,863,041
Other investments	25,538	27,189
Mortgages held for sale	4,757	13,284
Loans and leases, net of allowance for loan and lease losses	5,264,044	5,218,722
Mortgage servicing rights	4,625	4,671
Accrued interest receivable	18,289	17,760
Interest rate swaps	7,806	20,735
Liabilities:
Deposits	6,673,092	6,679,065
Short-term borrowings	199,158	200,027
Long-term debt and mandatorily redeemable securities	69,563	71,251
Subordinated notes	58,764	58,764
Accrued interest payable	2,084	1,885
Interest rate swaps	8,006	21,172
Off-balance-sheet instruments	0	0
Fair Value
Assets:
Cash and due from banks	69,195	54,420
Federal funds sold and interest bearing deposits with other banks	347,697	470,767
Investment securities available-for-sale	1,857,431	1,863,041
Other investments	25,538	27,189
Mortgages held for sale	4,757	13,284
Loans and leases, net of allowance for loan and lease losses	5,280,472	5,269,551
Mortgage servicing rights	6,363	5,640
Accrued interest receivable	18,289	17,760
Interest rate swaps	7,806	20,735
Liabilities:
Deposits	6,666,398	6,680,163
Short-term borrowings	199,158	200,027
Long-term debt and mandatorily redeemable securities	68,258	71,305
Subordinated notes	58,350	58,553
Accrued interest payable	2,084	1,885
Interest rate swaps	8,006	21,172
Off-balance-sheet instruments	82	364
Level 1
Assets:
Cash and due from banks	69,195	54,420
Federal funds sold and interest bearing deposits with other banks	347,697	470,767
Investment securities available-for-sale	590,484	561,950
Other investments	25,538	27,189
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	5,821,071	5,794,928
Short-term borrowings	192,146	192,801
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	1,262,418	1,299,242
Other investments	0	0
Mortgages held for sale	4,757	13,284
Loans and leases, net of allowance for loan and lease losses	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	18,289	17,760
Interest rate swaps	7,806	20,735
Liabilities:
Deposits	845,327	885,235
Short-term borrowings	7,012	7,226
Long-term debt and mandatorily redeemable securities	68,258	71,305
Subordinated notes	58,350	58,553
Accrued interest payable	2,084	1,885
Interest rate swaps	8,006	21,172
Off-balance-sheet instruments	82	364
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	4,529	1,849
Other investments	0	0
Mortgages held for sale	0	0
Loans and leases, net of allowance for loan and lease losses	5,280,472	5,269,551
Mortgage servicing rights	6,363	5,640
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