Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019
Intangible asset activity
Net balance	$ 45,462	$ 37,888
Additions-Acquisition		17,900
Additions-Other		259
Impairment		(478)
Net foreign currency translation	217	(733)
Amortization expense	(9,470)	(9,374)
Net balance	36,209	45,462
Intangible assets, net
Balance at cost			$ 95,862
Accumulated amortization			(59,653)
Ending Balance	36,209	45,462	36,209
Impairment charges		500
Acquired Technology
Intangible asset activity
Net balance	8,795	6,946
Additions-Acquisition		5,900
Additions-Other		109
Net foreign currency translation	120	(239)
Amortization expense	(3,461)	(3,921)
Net balance	5,454	8,795
Intangible assets, net
Balance at cost			42,647
Accumulated amortization			(37,193)
Ending Balance	5,454	8,795	5,454
Customer relationships
Intangible asset activity
Net balance	30,408	22,544
Additions-Acquisition		11,800
Net foreign currency translation	118	(486)
Amortization expense	(3,642)	(3,450)
Net balance	26,884	30,408
Intangible assets, net
Balance at cost			39,505
Accumulated amortization			(12,621)
Ending Balance	26,884	30,408	26,884
Other
Intangible asset activity
Net balance	6,259	8,398
Additions-Acquisition		200
Additions-Other		150
Impairment		(478)
Net foreign currency translation	(21)	(8)
Amortization expense	(2,367)	(2,003)
Net balance	3,871	6,259
Intangible assets, net
Balance at cost			13,710
Accumulated amortization			(9,839)
Ending Balance	$ 3,871	$ 6,259	$ 3,871