Summary of Significant Accounting Policies - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments	$ (4,751,000)	$ (7,672,000)	$ 14,361,000
Foreign currency transaction gain (loss), net	(5,838,000)	(2,824,000)	808,000
Foreign currency translation adjustments	(4,412,000)	(7,969,000)	594,000
Net Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) (Effective Portion)	2,811,000	389,000	(2,679,000)
Income tax expense on derivative instruments	1,275,000	282,000	594,000
Less: Comprehensive income attributable to non-controlling interest	339,000	(297,000)	(163,000)
Accumulated other comprehensive loss	(22,422,000)	(13,700,000)	(6,166,000)	$ (18,466,000)
Change in fair value of derivative instruments, net of tax	(4,310,000)	435,000	(1,898,000)
Foreign Exchange Forward | Cost of Goods Sold
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(1,165,000)	(236,000)	187,000
Foreign Exchange Forward | Other income (expense)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(2,756,000)
Foreign Exchange Forward | Sales Revenue, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold			14,198,000
Foreign Exchange Forward | Interest Expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(4,475,000)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustments	(4,412,000)	(7,969,000)	14,198,000
Change in fair value of derivative instruments, net of tax	(4,310,000)	435,000	(1,898,000)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	107,000	(328,000)	1,570,000
Foreign currency translation adjustments	0	0	594,000
Net Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) (Effective Portion)	2,811,000	389,000	(2,679,000)
Income tax expense on derivative instruments	1,275,000	282,000
Ending balance	(4,203,000)	107,000	(328,000)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Forward | Cost of Goods Sold
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(1,165,000)	(236,000)	187,000
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Forward | Other income (expense)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(2,756,000)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Forward | Sales Revenue, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold			0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Foreign Exchange Forward | Interest Expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	(4,475,000)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(13,807,000)	(5,838,000)	(20,036,000)
Foreign currency translation adjustments	(4,412,000)	(7,969,000)	0
Net Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) (Effective Portion)	0	0	0
Income tax expense on derivative instruments	0	0
Ending balance	(18,219,000)	(13,807,000)	(5,838,000)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Foreign Exchange Forward | Cost of Goods Sold
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	0	$ 0	0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Foreign Exchange Forward | Other income (expense)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	0
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Foreign Exchange Forward | Sales Revenue, Net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold			$ (14,198,000)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] | Foreign Exchange Forward | Interest Expense
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified from accumulated other comprehensive income to cost of goods sold	$ 0