Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Current-period other comprehensive income (loss) activity, net of tax	$ 10,822	$ (13,240)	$ (13,609)
Other comprehensive income (loss) before reclassifications, after tax	(14,126)	(14,324)
Sale of discontinued operations, after tax	5,961
Net current-period other comprehensive income (loss), after tax	10,822	(13,240)
Loss on Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, after tax	12,149
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(44,554)	(31,314)	(17,705)
Current-period other comprehensive income (loss) activity, net of tax			(13,609)
Ending balance	(33,732)	(44,554)	(31,314)
Accumulated other comprehensive income (loss) | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, after tax	6,838	1,084
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(35,159)	(31,314)	(17,705)
Current-period other comprehensive income (loss) activity, before tax			(13,609)
Other comprehensive income (loss) before reclassifications, before tax	(1,683)	(3,845)
Sale of discontinued operations, before tax	5,961
Net current-period other comprehensive income (loss), before tax	4,278	(3,845)
Ending balance	(30,881)	(35,159)	(31,314)
Foreign Currency Translation | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	0	0
Foreign Currency Translation | Loss on Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	0
Interest rate swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(12,234)	0	0
Current-period other comprehensive income (loss) activity, before tax			0
Other comprehensive income (loss) before reclassifications, before tax	(16,207)	(13,645)
Sale of discontinued operations, before tax	0
Net current-period other comprehensive income (loss), before tax	8,522	(12,234)
Ending balance	(3,712)	(12,234)	0
Interest rate swap | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	8,906	1,411
Interest rate swap | Loss on Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	15,823
Income taxes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,839	0	0
Current-period other comprehensive income (loss) activity, tax	(1,978)	2,839	0
Other comprehensive income (loss) before reclassifications, tax	3,764	3,166
Sale of discontinued operations, tax	0
Ending balance	861	2,839	$ 0
Income taxes | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, tax	(2,068)	$ (327)
Income taxes | Loss on Interest Rate Swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, tax	$ (3,674)