Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Goodwill		$ 0	$ 19,700,000
Measurement period adjustment		(478,000)
Impairment of goodwill		19,222,000	0
Amortization expenses		$ 1,600,000	$ 1,200,000
Cretic
Goodwill [Line Items]
Measurement period adjustment	$ 500,000
Capital finance leases	1,000,000
Property and equipment, net	800,000
Cash payment received	$ 300,000