Allowance for Credit Losses - Amortized Cost Basis of Revolving Loans that Were Converted to Term Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Credit quality
Total Revolving Loans Converted to Term Loans During the Period	$ 1,572	$ 1,801
Commercial and Industrial
Credit quality
Total Revolving Loans Converted to Term Loans During the Period	203	229
Home equity Line
Credit quality
Total Revolving Loans Converted to Term Loans During the Period	1,015	1,079
Consumer
Credit quality
Total Revolving Loans Converted to Term Loans During the Period	$ 354	$ 493