Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 57,899	$ 377,329	$ 353,277	$ 419,271
OCI before reclassifications, net of tax	6,733	(12,359)	(19,079)	(23,353)
Other comprehensive income (loss), net of tax	9,881	(12,121)	(12,241)	(23,115)
Ending balance	86,347	356,302	86,347	356,302
Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, net of tax	3,148	238	6,838	238
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(66,676)	(42,308)	(44,554)	(31,314)
Ending balance	(56,795)	(54,429)	(56,795)	(54,429)
Foreign Currency Translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(48,507)	(31,490)	(35,159)	(31,314)
OCI before reclassifications and tax	6,712	(11,178)	(6,636)	(11,354)
Other comprehensive income (loss), before tax	6,712	(11,178)	(6,636)	(11,354)
Ending balance	(41,795)	(42,668)	(41,795)	(42,668)
Foreign Currency Translation | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	0	0	0	0
Interest rate swap
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(23,662)	(13,915)	(12,234)	0
OCI before reclassifications and tax	27	(1,556)	(16,207)	(15,471)
Other comprehensive income (loss), before tax	4,127	(1,250)	(7,301)	(15,165)
Ending balance	(19,535)	(15,165)	(19,535)	(15,165)
Interest rate swap | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, before tax	4,100	306	8,906	306
Income taxes
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	5,493	3,097	2,839	0
OCI before reclassifications, tax	(6)	375	3,764	3,472
Other comprehensive income (loss), tax	(958)	307	1,696	3,404
Ending balance	4,535	3,404	4,535	3,404
Income taxes | Interest Expense
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Amounts reclassified from AOCI, tax	$ (952)	$ (68)	$ (2,068)	$ (68)