Leases - Additional information (Details) - USD ($)			3 Months Ended	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Operating lease option to extend	10 years		10 years	10 years
Finance lease option to extend	10 years		10 years	10 years
Assets recorded under finance leases	$ 500,000	$ 500,000	$ 500,000	$ 500,000
Accumulated depreciation associated with finance leases	$ 200,000	$ 200,000	$ 25,339	$ 50,489
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms, operating	5 years		5 years	5 years
Remaining lease terms, finance	5 years		5 years	5 years
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms, operating	1 month		1 month	1 month
Remaining lease terms, finance	1 month		1 month	1 month