Summary of Significant Accounting Policies (Details) - USD ($)		3 Months Ended
	Aug. 06, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 26, 2019
Offsetting Assets [Line Items]
Accumulated deficit		$ (151,235,000)		$ (131,046,000)
Unrealized loss on interest rate swaps		(31,401,000)	$ 0
Operating lease right-of-use asset		12,353,000		8,056,000
Operating lease liabilities, current		3,828,000		2,533,000
Operating lease liabilities, noncurrent		11,515,000		5,862,000
Accounting Standards Update 2016-13
Offsetting Assets [Line Items]
Accumulated deficit		100,000
Recurring Measurement Basis
Offsetting Assets [Line Items]
Earnout consideration liability		4,565,000		4,394,000
Level 1 | Recurring Measurement Basis
Offsetting Assets [Line Items]
Earnout consideration liability		0		0
Level 2 | Recurring Measurement Basis
Offsetting Assets [Line Items]
Earnout consideration liability		0		0
Level 3 | Recurring Measurement Basis
Offsetting Assets [Line Items]
Earnout consideration liability				$ 4,394,000
Interest rate swap
Offsetting Assets [Line Items]
Derivative liability, fair value, gross liability		(29,000,000.0)
Derivative asset, fair value, gross asset		2,400,000
Interest rate swap | Level 3 | Recurring Measurement Basis
Offsetting Assets [Line Items]
Earnout consideration liability		4,565,000
Secured Debt | Credit Facility
Offsetting Assets [Line Items]
Debt instrument, face amount	$ 350,000,000.0	$ 540,000,000			$ 190,000,000.0
Interest rate percentage	5.40%	5.40%
Long-term debt, term	7 years	7 years