Investments In Unconsolidated Entities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	$ 35,562	$ 59,766
Equity in earnings of unconsolidated entities	(1,880)	(747)	$ (2,690)
Capital and earnings distributions received from unconsolidated entities	27,900	5,100	12,100
Payments to Acquire Interest in Subsidiaries and Affiliates	$ (800)	$ (9,500)	$ (1,000)