Derivatives and Hedging Derivatives and Hedging (Schedule of junior suboridnated debt interest rate swap) (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Derivative, Fair Value, Net	$ (10,350)	$ (8,187)
Derivative, Notional Amount	$ 53,000	43,000
Contract One [Member]
Derivative [Line Items]
Derivative, Inception Date	Mar. 18, 2009
Derivative, Maturity Date	Jun. 30, 2021
Derivative, Fixed Interest Rate	3.69%
Derivative, Fair Value, Net	$ (174)	(299)
Derivative, Notional Amount	$ 10,000	10,000
Contract Two [Member]
Derivative [Line Items]
Derivative, Inception Date	Jul. 08, 2009
Derivative, Maturity Date	Jun. 30, 2029
Derivative, Fixed Interest Rate	4.44%
Derivative, Fair Value, Net	$ (3,095)	(2,318)
Derivative, Notional Amount	$ 10,000	10,000
Contract Three [Member]
Derivative [Line Items]
Derivative, Inception Date	May 06, 2010
Derivative, Maturity Date	Jun. 30, 2030
Derivative, Fixed Interest Rate	4.31%
Derivative, Fair Value, Net	$ (3,245)	(2,384)
Derivative, Notional Amount	$ 10,000	10,000
Contract Four [Member]
Derivative [Line Items]
Derivative, Inception Date	Mar. 14, 2011
Derivative, Maturity Date	Mar. 30, 2031
Derivative, Fixed Interest Rate	4.35%
Derivative, Fair Value, Net	$ (1,739)	(1,279)
Derivative, Notional Amount	$ 5,000	5,000
Contract Five [Member]
Derivative [Line Items]
Derivative, Inception Date	May 04, 2011
Derivative, Maturity Date	Jul. 07, 2031
Derivative, Fixed Interest Rate	4.14%
Derivative, Fair Value, Net	$ (2,659)	(1,907)
Derivative, Notional Amount	$ 8,000	8,000
Contract Six
Derivative [Line Items]
Derivative, Inception Date	Jul. 16, 2020
Derivative, Maturity Date	Jun. 30, 2036
Derivative, Fixed Interest Rate	0.83%
Derivative, Fair Value, Net	$ 562	0
Derivative, Notional Amount	$ 10,000	$ 0