Investment in Unconsolidated Entities (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Common stock, par value (in dollars per share)	$ 0.01		$ 0.01		$ 0.01
Goodwill	$ 680		$ 680		$ 680
Investments in unconsolidated entities	52,735		52,735		$ 46,443
Equity in income of unconsolidated entity	$ 5,555	$ 5,299	$ 14,039	$ 13,038