Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Commitments to Extend Credit [Member]
Off Balance Sheet Commitments [Abstract]
Off-balance sheet risks, amount, liability	$ 1,040,844	$ 919,982
Letters of Credit [Member]
Off Balance Sheet Commitments [Abstract]
Off-balance sheet risks, amount, liability	$ 18,846	20,346
Letters of Credit [Member] | Minimum [Member]
Off Balance Sheet Commitments [Abstract]
Off balance sheet risks maturity period	1 month
Letters of Credit [Member] | Maximum [Member]
Off Balance Sheet Commitments [Abstract]
Off balance sheet risks maturity period	25 months
Performance Guarantees under Interest Rate Swap Contracts Entered into between our Borrowing Customers and Third Parties [Member]
Off Balance Sheet Commitments [Abstract]
Off-balance sheet risks, amount, liability	$ 2,786	$ 1,513