Segment Disclosure (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) segment	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of operating segments | segment	3
Financial information by segment
Revenues	$ 159,465	$ 176,787
Gross profit	40,644	48,874
Income (loss) from operations	(111,228)	(4,396)
Depreciation and amortization	9,467	9,668
Intangible assets, net	72,019		$ 109,537
Total assets	583,545		719,878
Operating segments | Services
Financial information by segment
Revenues	128,873	140,298
Gross profit	32,237	37,365
Income (loss) from operations	(81,494)	4,053
Depreciation and amortization	7,075	7,268
Intangible assets, net	61,536		98,284
Total assets	427,165		537,518
Operating segments | International
Financial information by segment
Revenues	29,067	35,162
Gross profit	8,023	10,360
Income (loss) from operations	(20,419)	(215)
Depreciation and amortization	2,140	2,089
Intangible assets, net	9,157		9,814
Total assets	125,684		153,380
Operating segments | Products and Systems
Financial information by segment
Revenues	2,812	3,432
Gross profit	368	1,239
Income (loss) from operations	(1,680)	(1,328)
Depreciation and amortization	253	290
Intangible assets, net	1,104		1,181
Total assets	16,003		16,028
Corporate and eliminations
Financial information by segment
Revenues	(1,287)	(2,105)
Gross profit	16	(90)
Income (loss) from operations	(7,635)	(6,906)
Depreciation and amortization	(1)	$ 21
Intangible assets, net	222		258
Total assets	$ 14,693		$ 12,952