Other Assets Components Of Other Assets (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Other Assets, Noncurrent [Abstract]
Equity method investments	$ 51,239,000		$ 50,605,000
Deferred financing fees, net	6,690,000		7,228,000
Land	2,711,000		4,011,000
Other assets	3,721,000		3,452,000
Total	64,361,000		65,296,000
Equity method investments in variable interest entities	47,800,000		47,100,000
Net income (loss) attributable to variable interest entities	$ 1,200,000	$ 44,000