Derivative Financial Instrument Interest Rate Swaps (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Derivative, Average Fixed Interest Rate	2.18%	2.37%
Derivative, Average Variable Interest Rate	1.73%	2.57%
Derivative, Average Remaining Maturity	5 years 4 months 24 days	6 years 2 months 12 days
Derivative, Gain (Loss) on Derivative, Net	$ (3,503)	$ 1,088
Interest Rate Swap
Derivative [Line Items]
Restricted Cash	20,000	0
Interest Rate Swap
Derivative [Line Items]
Derivative, Notional Amount	$ 160,000	$ 110,000