Derivatives Notional Amounts - Designated as Hedges (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	$ 181,835	$ 47,400
Gain (Loss)	(724)	(78)
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	166,452	207,363
Unrealized Gain (Loss)	(131)	11
USD / AUD | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	2,880	3,840
Unrealized Gain (Loss)	305	(106)
USD / CAD | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	2,461	3,888
Unrealized Gain (Loss)	(19)	32
USD / CNY | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	892	0
Unrealized Gain (Loss)	0	0
USD / EUR | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	92,582	110,905
Unrealized Gain (Loss)	605	122
USD / GBP | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	3,047	3,972
Unrealized Gain (Loss)	33	(8)
USD / NZD | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	1,170	2,760
Unrealized Gain (Loss)	72	(166)
USD / SEK | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	3,503	5,062
Unrealized Gain (Loss)	12	(38)
USD / MXP | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	7,240	6,763
Unrealized Gain (Loss)	(905)	346
EUR / CAD | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	3,006	4,151
Unrealized Gain (Loss)	(154)	24
EUR / CHF | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	7,215	9,821
Unrealized Gain (Loss)	(221)	10
EUR / GBP | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	23,281	29,824
Unrealized Gain (Loss)	10	(216)
EUR / SEK | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	6,855	9,493
Unrealized Gain (Loss)	(4)	(46)
EUR / NOK | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	4,240	5,797
Unrealized Gain (Loss)	80	15
DKK / SEK | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	4,209	5,936
Unrealized Gain (Loss)	5	24
NOK / SEK | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional Amount	3,871	5,151
Unrealized Gain (Loss)	$ 50	$ 18