Summary of Significant Accounting Policies (Noncontrolling Interest from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Income (Loss) Attributable to Noncontrolling Interest, Total	$ 863	$ 1,581	$ 1,102	$ 1,960	$ 668	$ (552)	$ 1,921	$ 2,135	$ 5,506	$ 4,172	$ 7,452
With You LLC [Member]
Net Income (Loss) Attributable to Noncontrolling Interest, Total									5,607	5,816	6,525
DVS LLC [Member]
Net Income (Loss) Attributable to Noncontrolling Interest, Total									614	581	564
FUL [Member]
Net Income (Loss) Attributable to Noncontrolling Interest, Total									$ (715)	$ (2,225)	$ 363