Consolidated Statement of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Cash flows from operating activities
Net loss	$ (39,200)	$ (12,670)
Adjustments to reconcile net loss
Depreciation and amortization	19,599	23,185
Original issue discount and debt issuance cost amortization	3,840	3,193
Provision for doubtful accounts	50	74
Deferred income tax provision	(297)	(401)
Share-based compensation expense	387	861
Unrealized foreign currency losses	(159)	(936)
Loss (gain) on sale of assets	29	(35,246)
Fair value adjustment for interest rate swap	(125)	845
Change in operating assets and liabilities, net of effect from acquisitions
Accounts receivable	(11,248)	13,476
Prepaid expenses and other assets	(5,895)	(5,678)
Accounts payable and accrued liabilities	(30,787)	(21,420)
Related party payables	37	(568)
Additions to outsource contract costs	(156)	(88)
Net cash provided by (used in) operating activities	(63,925)	(35,373)	$ (29,800)
Cash flows from investing activities
Purchase of property, plant and equipment	(1,609)	(3,591)
Additions to internally developed software	(672)	(1,153)
Cash paid for acquisition, net of cash received		(3,500)
Proceeds from sale of assets		38,222
Net cash provided by (used in) investing activities	(2,281)	29,978
Cash flows from financing activities
Proceeds from issuance of stock	25,065
Borrowings under factoring arrangement and Securitization Facilities	32,432	131,591
Principal repayment on borrowings under factoring arrangement and Securitization Facilities	(31,533)	(23,042)
Lease terminations	(16)	(14)
Cash paid for debt issuance costs		(2,908)
Principal payments on finance lease obligations	(3,029)	(3,187)
Borrowings from senior secured revolving facility	3,000	29,750
Repayments on senior secured revolving facility		(14,000)
Borrowings from other loans	1,959	11,241
Principal repayments on senior secured term loans and other loans	(8,142)	(15,343)
Net cash provided by (used in) financing activities	19,736	114,088
Effect of exchange rates on cash	(101)	(216)
Net decrease in cash and cash equivalents	(46,571)	108,477
Cash, restricted cash, and cash equivalents
Beginning of period	70,309	14,099	14,099
End of period	23,738	122,576	$ 70,309
Supplemental cash flow data:
Income tax payments, net of refunds received	1,510	623
Interest paid	62,510	61,852
Noncash investing and financing activities:
Assets acquired through right-of-use arrangements	220	270
Accrued capital expenditures	$ 1,617	$ 1,565