Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Lessee, Lease, Description [Line Items]
Operating lease renewal term (up to)	10 years		10 years
Operating lease, cost	$ 2,607	$ 1,700	$ 7,334	$ 5,000
Lessor, operating lease renewal term	5 years		5 years
Rental income	$ 261	$ 276	$ 815	$ 898
Minimum
Lessee, Lease, Description [Line Items]
Operating lease term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease term	8 years		8 years