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Fair Value Measurements (Details 7) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Assets:
Cash and due from banks		$ 54,420	$ 74,186
Federal funds sold and interest bearing deposits with other banks		470,767	168,861
Investment securities available-for-sale		1,863,041	1,197,467
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		27,189	27,429
Mortgages held for sale		13,284	12,885
Loans and leases, net of reserve for loan and lease losses		5,218,722	5,348,647
Liabilities:
Long-term debt and mandatorily redeemable securities		71,251	81,864
Subordinated notes		58,764	58,764
Carrying or Contract Value
Assets:
Cash and due from banks		54,420	74,186
Federal funds sold and interest bearing deposits with other banks		470,767	168,861
Investment securities available-for-sale		1,863,041	1,197,467
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		27,189	27,429
Mortgages held for sale		13,284	12,885
Loans and leases, net of reserve for loan and lease losses		5,218,722	5,348,647
Mortgage servicing rights		4,671	3,804
Interest receivable		17,760	20,242
Interest rate swaps		20,735	46,654
Liabilities:
Deposits		6,679,065	5,946,028
Short-term borrowings		200,027	150,641
Long-term debt and mandatorily redeemable securities		71,251	81,864
Subordinated notes		58,764	58,764
Interest payable		1,885	3,996
Interest rate swaps		21,172	47,681
Off-balance-sheet instruments	[1]	0	0
Fair Value
Assets:
Cash and due from banks		54,420	74,186
Federal funds sold and interest bearing deposits with other banks		470,767	168,861
Investment securities available-for-sale		1,863,041	1,197,467
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		27,189	27,429
Mortgages held for sale		13,284	12,885
Loans and leases, net of reserve for loan and lease losses		5,269,551	5,417,396
Mortgage servicing rights		5,640	4,038
Interest receivable		17,760	20,242
Interest rate swaps		20,735	46,654
Liabilities:
Deposits		6,680,163	5,955,545
Short-term borrowings		200,027	150,641
Long-term debt and mandatorily redeemable securities		71,305	82,965
Subordinated notes		58,553	58,560
Interest payable		1,885	3,996
Interest rate swaps		21,172	47,681
Off-balance-sheet instruments	[1]	364	321
Level 1
Assets:
Cash and due from banks		54,420	74,186
Federal funds sold and interest bearing deposits with other banks		470,767	168,861
Investment securities available-for-sale		561,950	80,285
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		27,189	27,429
Mortgages held for sale		0	0
Loans and leases, net of reserve for loan and lease losses		0	0
Mortgage servicing rights		0	0
Interest receivable		0	0
Interest rate swaps		0	0
Liabilities:
Deposits		5,794,928	4,778,671
Short-term borrowings		192,801	143,730
Long-term debt and mandatorily redeemable securities		0	0
Subordinated notes		0	0
Interest payable		0	0
Interest rate swaps		0	0
Off-balance-sheet instruments	[1]	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		1,299,242	1,115,030
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		0	0
Mortgages held for sale		13,284	12,885
Loans and leases, net of reserve for loan and lease losses		0	0
Mortgage servicing rights		0	0
Interest receivable		17,760	20,242
Interest rate swaps		20,735	46,654
Liabilities:
Deposits		885,235	1,764,874
Short-term borrowings		7,226	6,911
Long-term debt and mandatorily redeemable securities		71,305	82,965
Subordinated notes		58,553	58,560
Interest payable		1,885	3,996
Interest rate swaps		21,172	47,681
Off-balance-sheet instruments	[1]	364	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		1,849	2,152
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		0	0
Mortgages held for sale		0	0
Loans and leases, net of reserve for loan and lease losses		5,269,551	5,417,396
Mortgage servicing rights		5,640	4,038
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
Interest payable		0	0
Interest rate swaps		0	0
Off-balance-sheet instruments	[1]	$ 0	$ 0
[1] Represents estimated cash outflows required to currently settle the obligations at current market rates.

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