Equity Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019		Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	$ (15,533)	$ (23,178)	$ (28,912)	$ (22,582)	$ (14,674)	$ (17,881)	$ (15,533)	$ (22,582)	$ (15,402)	[1]	$ (16,945)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	7,607	5,568	(12,984)	(7,734)	3,351	(818)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	38	166	(526)	(174)	(144)	(118)
Other Comprehensive income (loss), net of Tax	7,645	5,734	(13,510)	(7,908)	3,207	(936)	(131)	(5,637)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(16,557)	(23,183)	(27,787)	(23,969)	(16,436)	(19,274)	(16,557)	(23,969)	(17,310)		(17,682)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	6,626	4,604	(10,477)	(7,533)	2,838	(1,592)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0	0	0	0	0
Other Comprehensive income (loss), net of Tax	6,626	4,604	(10,477)	(7,533)	2,838	(1,592)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	1,070	54	(1,072)	1,282	1,657	1,288	1,070	1,282	1,880		638
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	978	960	(2,426)	(201)	513	768
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	38	166	(526)	(174)	(144)	(118)
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent	1,016	1,126	(2,952)	(375)	369	650
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive loss	(46)	(49)	(53)	105	105	105	$ (46)	$ 105	$ 28		$ 99
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	3	4	(81)	0	0	6
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	0	0	0	0	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent	$ 3	$ 4	$ (81)	$ 0	$ 0	$ 6

[1] December 31, 2019 balances were derived from audited consolidated financial statements.