CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenue from services	$ 205,564	$ 228,137
Cost of services excluding depreciation and amortization	144,118	159,237
Depreciation and amortization included in cost of services	16,410	18,137
Gross profit	45,036	50,763
Selling, general and administrative expenses	29,253	34,542
Loss on disposal of property and equipment, net	4,542	632
Income from operations	11,241	15,589
Other income (expense):
Costs incurred on debt restructuring	(5,439)	0
Gain on early extinguishment of debt	0	3,014
Interest expense, net	(23,697)	(16,739)
Foreign exchange gain (loss), net	1,977	(4,393)
Other, net	(35)	(220)
Total other expense, net	(27,194)	(18,338)
Loss before income taxes	(15,953)	(2,749)
Provision for income taxes	6,056	2,693
Net loss	(22,009)	(5,442)
Less: net income attributable to noncontrolling interest	3,021	4,433
Net loss attributable to the Corporation	$ (25,030)	$ (9,875)
Net loss attributable to Corporation per common share:
Basic (usd per share)	$ (6.13)	$ (84.55)
Diluted (usd per share)	$ (6.13)	$ (84.55)
Weighted average shares:
Basic (in shares)	4,083,103	116,791
Diluted (in shares)	4,083,103	116,791