Goodwill and Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2019
Finite-lived Intangible Assets [Roll Forward]
Gross	$ 21,500	$ 23,900	$ 23,900
Accumulated Amortization	(10,396)	(11,722)	(11,722)
Total	$ 11,104	12,178	$ 12,178
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life	6 years		6 years
Finite-lived Intangible Assets [Roll Forward]
Gross	$ 10,900	10,900	$ 10,900
Accumulated Amortization	(4,036)	(3,509)	(3,509)
Total	$ 6,864	7,391	$ 7,391
Developed technology
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years		5 years
Finite-lived Intangible Assets [Roll Forward]
Gross	$ 10,600	10,600	$ 10,600
Accumulated Amortization	(6,360)	(5,830)	(5,830)
Total	$ 4,240	$ 4,770	4,770
Backlog
Finite-Lived Intangible Assets [Line Items]
Useful Life		2 years 6 months
Finite-lived Intangible Assets [Roll Forward]
Gross		$ 1,500	1,500
Accumulated Amortization		(1,500)	(1,500)
Total		0	0
Other acquired intangible assets
Finite-lived Intangible Assets [Roll Forward]
Gross		900	900
Accumulated Amortization		(883)	(883)
Total		$ 17	$ 17
Other acquired intangible assets | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life			1 year
Other acquired intangible assets | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life			3 years