Derivatives and Hedging (Schedule of interest rate swap on borrowings) (Details) - Interest Rate Swap on Borrowings $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Derivative [Line Items]
Derivative, Notional Amount	$ 100,000
Derivative, Fair Value, Net	(713)
Contract One [Member]
Derivative [Line Items]
Derivative, Notional Amount	50,000
Derivative, Fair Value, Net	$ (680)
Derivative, Inception Date	Mar. 02, 2020
Derivative, Maturity Date	Mar. 01, 2023
Derivative, Fixed Interest Rate	0.705%
Contract Two [Member]
Derivative [Line Items]
Derivative, Notional Amount	$ 50,000
Derivative, Fair Value, Net	$ (33)
Derivative, Inception Date	Mar. 26, 2020
Derivative, Maturity Date	Mar. 26, 2030
Derivative, Fixed Interest Rate	0.857%