Restatement of Previously Issued Consolidated Financial Statements - Effect of The Error Corrections On The Consolidated Statements of Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (Loss) Income	$ (24,594)	$ 9,986
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization	4,640	3,681
Provision for doubtful accounts	1,758	2,350
Non-cash amortization of debt financing costs	340	342
Shared-based compensation expense	862	761
Deferred income taxes	(7,990)	2,298
Noncash (gain) loss on derivative contracts	918	737
Change in other operating items:
Accounts receivable	(11,649)	(26,356)
Inventories	(3,259)	(4,739)
Prepaid expenses	728	(2,272)
Accounts payable	12,321	9,548
Other operating activities, net	7,403	(2,307)
Net cash provided by (used in) operating activities	10,345	(5,971)
Cash Flows from Investing Activities:
Purchases of property, plant and equipment	(3,472)	(5,580)
Proceeds from disposal/sale of property, plant and equipment	4	20
Net cash used in investing activities	(3,468)	(5,560)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of Term Loan	(1,094)	(5,244)
Other financing activities	(62)	(105)
Net cash provided by (used in) financing activities	13,844	(5,349)
Effect of Foreign Currency Exchange Rate Changes on Cash	(2,177)	315
Net Increase (Decrease) in Cash	18,544	(16,565)
Cash:
Beginning of period	39,511	70,913
End of period	58,055	54,348
Supplemental Cash Flow Information:
Cash paid for interest	3,189	3,373
Cash paid for income taxes, net	780	2,593
Unpaid purchases of property and equipment included in accounts payable	$ 59	233
As Previously Reported
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (Loss) Income		11,130
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization		3,718
Provision for doubtful accounts		2,350
Non-cash amortization of debt financing costs		342
Shared-based compensation expense		761
Deferred income taxes		2,625
Noncash (gain) loss on derivative contracts		737
Change in other operating items:
Accounts receivable		(26,356)
Inventories		(4,739)
Prepaid expenses		(3,780)
Accounts payable		9,548
Other operating activities, net		(2,307)
Net cash provided by (used in) operating activities		(5,971)
Cash Flows from Investing Activities:
Purchases of property, plant and equipment		(5,580)
Proceeds from disposal/sale of property, plant and equipment		20
Net cash used in investing activities		(5,560)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of Term Loan		(5,244)
Other financing activities		(105)
Net cash provided by (used in) financing activities		(5,349)
Effect of Foreign Currency Exchange Rate Changes on Cash		315
Net Increase (Decrease) in Cash		(16,565)
Cash:
Beginning of period		70,913
End of period		54,348
Supplemental Cash Flow Information:
Cash paid for interest		3,373
Cash paid for income taxes, net		2,593
Unpaid purchases of property and equipment included in accounts payable		233
Restatement Adjustments
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (Loss) Income		(1,144)
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization		(37)
Provision for doubtful accounts		0
Non-cash amortization of debt financing costs		0
Shared-based compensation expense		0
Deferred income taxes		(327)
Noncash (gain) loss on derivative contracts		0
Change in other operating items:
Accounts receivable		0
Inventories		0
Prepaid expenses		1,508
Accounts payable		0
Other operating activities, net		0
Net cash provided by (used in) operating activities		0
Cash Flows from Investing Activities:
Purchases of property, plant and equipment		0
Proceeds from disposal/sale of property, plant and equipment		0
Net cash used in investing activities		0
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of Term Loan		0
Other financing activities		0
Net cash provided by (used in) financing activities		0
Effect of Foreign Currency Exchange Rate Changes on Cash		0
Net Increase (Decrease) in Cash		0
Cash:
Beginning of period		0
End of period		0
Supplemental Cash Flow Information:
Cash paid for interest		0
Cash paid for income taxes, net		0
Unpaid purchases of property and equipment included in accounts payable		$ 0