Details of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating Lease, Expense, Including Sublease Income	$ 4,118	$ 4,360
Operating Lease, Variable Rent Expense	711	758
Operating Leases, Rent Expense, Sublease Rentals	1,330	1,363
Operating Lease, Expense	3,499	3,755
Operating Lease, Payments	$ 4,356	$ 4,403
Operating Lease, Weighted Average Remaining Lease Term	3 years	4 years
Operating Lease, Weighted Average Discount Rate, Percent	4.95%	4.66%