Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	$ 1,000
Loans
Individual review of impairment of unpaid principal balances in excess of	1,000
Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	16,873	$ 12,115
Loans
Individual review of impairment of unpaid principal balances in excess of	16,873	12,115
Residential real estate | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	6,333	1,962
Loans
Individual review of impairment of unpaid principal balances in excess of	6,333	1,962
Home equity lines of credit | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	1,670	1,847
Loans
Individual review of impairment of unpaid principal balances in excess of	1,670	1,847
Consumer, indirect | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	403	681
Loans
Individual review of impairment of unpaid principal balances in excess of	403	681
Consumer, direct | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	0	713
Loans
Individual review of impairment of unpaid principal balances in excess of	0	713
Deposit account overdrafts | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	0	94
Loans
Individual review of impairment of unpaid principal balances in excess of	0	94
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member]
Receivables [Abstract]
Individual review of impairment of unpaid principal balances in excess of	8,467	6,818
Loans
Individual review of impairment of unpaid principal balances in excess of	$ 8,467	$ 6,818