TDR's and Other Pertinent Information (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Summary of Troubled Debt Restructurings and other pertinent information
Tdrs Recorded Investment On Accrual Status	$ 16,983	$ 19,599
Tdrs Recorded Investment On Nonaccrual Status	22,209	24,766
Financing Receivable Recorded Investment Trouble Debt Restructuring	39,192	44,365
Amount Of Specific Reserves Included In Allowance For Loan Losses Associated With Trouble Debt Restructuring		855
Additional Commitments To Lend To Borrower For Trouble Debt Restructuring	$ 263	$ 63