Accounting Policies (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Summary of Significant Accounting Policies [Line Items]
COVID-19 related loan and lease modifications	$ 1,000	$ 129,000
Minimum
Summary of Significant Accounting Policies [Line Items]
Period of sustained performance required to change from non-performing to performing status	6 months