Accruals and Other Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Accrued and Other Liabilities [Abstract]
Net Income (Loss) Attributable to Noncontrolling Interest	$ 1,059	$ 2,122	$ 3,172	$ 7,343	$ 9,054
Payments to Noncontrolling Interests			6,549	9,462	9,503
Beginning balance			5,473	$ 6,014	6,014
Other			1,159		(92)
Ending balance	$ 3,255		$ 3,255		$ 5,473