Fair Value Measurements (Details 7) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets:
Cash and due from banks	$ 69,683	$ 74,186
Federal funds sold and interest bearing deposits with other banks	266,271	168,861
Investment securities available-for-sale	1,291,340	1,197,467
Other investments	27,429	27,429
Mortgages held for sale	9,351	12,885
Loans and leases, net of allowance for loan and lease losses	5,383,535	5,348,647
Liabilities:
Long-term debt and mandatorily redeemable securities	81,722	81,864
Subordinated notes	58,764	58,764
Carrying or Contract Value
Assets:
Cash and due from banks	69,683	74,186
Federal funds sold and interest bearing deposits with other banks	266,271	168,861
Investment securities available-for-sale	1,291,340	1,197,467
Other investments	27,429	27,429
Mortgages held for sale	9,351	12,885
Loans and leases, net of allowance for loan and lease losses	5,383,535	5,348,647
Mortgage servicing rights	4,017	3,804
Accrued interest receivable	20,384	20,242
Interest rate swaps	31,311	46,654
Liabilities:
Deposits	6,131,341	5,946,028
Short-term borrowings	180,601	150,641
Long-term debt and mandatorily redeemable securities	81,722	81,864
Subordinated notes	58,764	58,764
Accrued interest payable	4,260	3,996
Interest rate swaps	32,005	47,681
Off-balance-sheet instruments	0	0
Fair Value
Assets:
Cash and due from banks	69,683	74,186
Federal funds sold and interest bearing deposits with other banks	266,271	168,861
Investment securities available-for-sale	1,291,340	1,197,467
Other investments	27,429	27,429
Mortgages held for sale	9,351	12,885
Loans and leases, net of allowance for loan and lease losses	5,467,450	5,417,396
Mortgage servicing rights	4,365	4,038
Accrued interest receivable	20,384	20,242
Interest rate swaps	31,311	46,654
Liabilities:
Deposits	6,138,346	5,955,545
Short-term borrowings	180,601	150,641
Long-term debt and mandatorily redeemable securities	80,906	82,965
Subordinated notes	58,502	58,560
Accrued interest payable	4,260	3,996
Interest rate swaps	32,005	47,681
Off-balance-sheet instruments	366	321
Level 1
Assets:
Cash and due from banks	69,683	74,186
Federal funds sold and interest bearing deposits with other banks	266,271	168,861
Investment securities available-for-sale	118,956	80,285
Other investments	27,429	27,429
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	5,050,321	4,778,671
Short-term borrowings	174,684	143,730
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	1,170,477	1,115,030
Other investments	0	0
Mortgages held for sale	9,351	12,885
Loans and leases, net of allowance for loan and lease losses	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	20,384	20,242
Interest rate swaps	31,311	46,654
Liabilities:
Deposits	1,088,025	1,176,874
Short-term borrowings	5,917	6,911
Long-term debt and mandatorily redeemable securities	80,906	82,965
Subordinated notes	58,502	58,560
Accrued interest payable	4,260	3,996
Interest rate swaps	32,005	47,681
Off-balance-sheet instruments	366	321
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	1,907	2,152
Other investments	0	0
Mortgages held for sale	0	0
Loans and leases, net of allowance for loan and lease losses	5,467,450	5,417,396
Mortgage servicing rights	4,365	4,038
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