Fair Value of Financial Instruments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Financial Assets at Fair Value Option	$ 14,500	$ 14,300
Financial Liabilities at Fair Value Option	43,100	44,400
Fair Value, Option, Changes in Fair Value, Gain (Loss)	(2,142)	(5,353)	$ (4,122)
Financial Liabilities at Fair Value Option Contractual Principal	61,900	61,900
Financial Liabilities at Fair Value Option Accrued Interest Payable	100	200
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount	$ 0	0
Appraised Value of Property [Member]
Collateral Dependent Loans Measurement Input	0.85
Fair Value, Measurements, Nonrecurring [Member]
Financial and Nonfinancial Liabilities, Fair Value Disclosure	$ 0	0
Interest Rate Swaps [Member]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ (2,300)	$ (3,000)	$ 900