Fair Value of Financial Instruments (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - Interest Rate Swap - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivative [Line Items]
Derivative Asset		$ 4,931
Derivative Liability	$ (5,309)	(580)
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Derivative [Line Items]
Derivative Asset		0
Derivative Liability	0	0
Significant Other Observable Inputs (Level 2)
Derivative [Line Items]
Derivative Asset		4,931
Derivative Liability	(5,309)	(580)
Significant Unobservable Inputs (Level 3)
Derivative [Line Items]
Derivative Asset		0
Derivative Liability	$ 0	$ 0