Condensed Consolidated Statements of Stockholders' Deficiency - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Jan. 01, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	134,365,424
Beginning Balance	$ (331,760)
Impact of adoption of new accounting standards		$ (12,857)
Net income (loss)	3,664
Total other comprehensive income	250
Comprehensive income (loss)	3,914
Distributions and dividends on common stock	(55,900)
Stock-based compensation	2,384
Ending Balance	$ (394,219)
Beginning Balance (in shares)	134,365,424
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	134,365,424
Beginning Balance	$ 13,437
Ending Balance	$ 13,437
Beginning Balance (in shares)	134,365,424
Additional Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 0
Distributions and dividends on common stock	(2,384)
Stock-based compensation	2,384
Ending Balance	0
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(414,785)
Impact of adoption of new accounting standards		1,094
Net income (loss)	7,211
Distributions and dividends on common stock	(53,516)
Ending Balance	(459,996)
AOCI Attributable to Parent
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(12,571)
Impact of adoption of new accounting standards		(6,036)
Total other comprehensive income	250
Ending Balance	(18,357)
Non-controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	82,159
Impact of adoption of new accounting standards		$ (7,915)
Net income (loss)	(3,547)
Ending Balance	$ 70,697