Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Net loss	$ (64,054)	$ (49,176)
Adjustments to reconcile net loss
Depreciation and amortization	55,211	74,386
Original issue discount and debt issuance cost amortization	5,749	5,272
Debt modification and extinguishment costs	1,049
Provision for doubtful accounts	3,334	1,857
Deferred income tax provision	4,623	705
Share-based compensation expense	5,459	2,895
Foreign currency remeasurement	288	(1,156)
Loss (gain) on sale of assets	(10)	1,340
Fair value adjustment for interest rate swap	4,385	(4,675)
Change in operating assets and liabilities, net of effect from acquisitions
Accounts receivable	624	(19,813)
Prepaid expenses and other assets	1,260	(1,603)
Accounts payable and accrued liabilities	(14,991)	40,677
Related party payables	(7,703)	(2,458)
Net cash provided by (used in) operating activities	(4,776)	48,251
Cash flows from investing activities
Purchase of property, plant and equipment	(9,072)	(10,244)
Additions to internally developed software	(4,007)	(2,115)
Additions to outsourcing contract costs	(10,440)	(3,695)
Cash paid in acquisition net of cash received	(5,000)	(4,145)
Proceeds from sale of Assets	20	1,014
Net cash used in investing activities	(28,499)	(19,185)
Cash flows from financing activities
Third party debt modification and extinguishment of debt costs	355
Repurchases of common stock	(3,480)	(3,479)
Borrowings from other loans	1,544	2,152
Cash paid for equity issue costs		(7,500)
Net borrowings under factoring agreement	2,426
Proceeds from credit facility	29,850
Net cash for debt issuance costs and debt discounts	(362)
Borrowings from revolver and swing-line loan	68,000	30,000
Repayments from revolver and swing-line loan	(68,000)	(30,000)
Principal payments on finance lease obligations	(9,180)	(8,404)
Principal payments on long-term obligations	(8,417)	(6,043)
Net cash provided by (used in) financing activities	12,736	(23,274)
Effect of exchange rates on cash	111	(410)
Net decrease in cash and cash equivalents	(20,428)	5,382
Cash, restricted cash, and cash equivalents
Beginning of period	43,854	81,489
End of period	23,426	86,871
Supplemental cash flow data:
Income tax payments, net of refunds received	5,181	3,864
Interest paid	71,240	76,353
Noncash investing and financing activities:
Assets acquired through right-of-use arrangements	6,778	7,787
Leasehold improvements funded by lessor		1,540
Accrued capital expenditures	$ 1,083	$ 1,144