Debt Instruments - Capital Lease Agreement (Details) - USD ($)	1 Months Ended
	Dec. 31, 2019	Nov. 30, 2019	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2017	Aug. 31, 2019	Feb. 28, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Principal amount—Capital Lease Agreement	$ 9,549,000							$ 3,538,000
Capital Lease Obligations
Debt Instrument [Line Items]
Interest rate, stated percentage	5.42%	5.69%	5.38%	5.38%	5.24%	6.33%
Capital lease, face amount	$ 1,000,000.0	$ 2,200,000	$ 1,300,000	$ 500,000	$ 5,000,000.0	$ 1,300,000	$ 2,900,000
Capital lease term	3 years	3 years	3 years	4 years	4 years