Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Accumulated Deficit Cumulative Effect, Period of Adoption, Adjustment
Beginning balance (in shares) at Dec. 31, 2018			21,489,112
Beginning balance at Dec. 31, 2018	$ 87,307		$ 2	$ 180,481	$ (7,501)	$ (85,675)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in business combination (in shares)			3,651
Issuance of common stock in business combination	(30)			(30)
Issuance of stock under Company plans, net of shares withheld for tax (in shares)			(40,056)
Issuance of stock under Company plans, net of shares withheld for tax	(4,400)			(4,400)
Issuance of stock, net of issuance costs (in shares)			3,795,000
Issuance of stock, net of issuance costs	151,153		$ 1	151,152
Stock-based compensation	11,529			11,529
Foreign currency translation adjustment	612				612
Unrealized translation gain (loss) on foreign currency denominated intercompany loans	0
Net loss	(13,199)					(13,199)
Ending balance (in shares) at Jun. 30, 2019			25,247,707
Ending balance at Jun. 30, 2019	232,972		$ 3	338,732	(6,889)	(98,874)
Beginning balance (in shares) at Mar. 31, 2019			21,443,226
Beginning balance at Mar. 31, 2019	85,065		$ 2	183,700	(5,132)	(93,505)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under Company plans, net of shares withheld for tax (in shares)			9,481
Issuance of stock under Company plans, net of shares withheld for tax	(3,021)			(3,021)
Issuance of stock, net of issuance costs (in shares)			3,795,000
Issuance of stock, net of issuance costs	151,153		$ 1	151,152
Stock-based compensation	6,901			6,901
Foreign currency translation adjustment	1,249				1,249
Unrealized translation gain (loss) on foreign currency denominated intercompany loans	(3,006)				(3,006)
Net loss	(5,369)					(5,369)
Ending balance (in shares) at Jun. 30, 2019			25,247,707
Ending balance at Jun. 30, 2019	$ 232,972		$ 3	338,732	(6,889)	(98,874)
Beginning balance (in shares) at Dec. 31, 2019	25,250,120		25,250,120
Beginning balance at Dec. 31, 2019	$ 212,861	$ (108)	$ 3	345,127	(1,223)	(131,046)	$ (108)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under Company plans, net of shares withheld for tax (in shares)			115,615
Issuance of stock under Company plans, net of shares withheld for tax	(2,086)			(2,086)
Issuance of stock, net of issuance costs	(13)			(13)
Stock-based compensation	20,300			20,300
Foreign currency translation adjustment	(2,240)				(2,240)
Unrealized translation gain (loss) on foreign currency denominated intercompany loans	(7,181)				(7,181)
Unrealized gain loss on interest rate swaps	(35,056)				(35,056)
Net loss	$ (34,240)					(34,240)
Ending balance (in shares) at Jun. 30, 2020	25,365,735		25,365,735
Ending balance at Jun. 30, 2020	$ 152,237		$ 3	363,328	(45,700)	(165,394)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member
Beginning balance (in shares) at Mar. 31, 2020			25,305,427
Beginning balance at Mar. 31, 2020	$ 159,092		$ 3	353,720	(43,396)	(151,235)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of stock under Company plans, net of shares withheld for tax (in shares)			60,308
Issuance of stock under Company plans, net of shares withheld for tax	(1,372)			(1,372)
Stock-based compensation	10,980			10,980
Foreign currency translation adjustment	1,219				1,219
Unrealized translation gain (loss) on foreign currency denominated intercompany loans	132				132
Unrealized gain loss on interest rate swaps	(3,655)				(3,655)
Net loss	$ (14,159)					(14,159)
Ending balance (in shares) at Jun. 30, 2020	25,365,735		25,365,735
Ending balance at Jun. 30, 2020	$ 152,237		$ 3	$ 363,328	$ (45,700)	$ (165,394)