Leases - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Feb. 01, 2017 ft²
Lessee, Lease, Description [Line Items]
Operating lease cost | $	$ 3,633	$ 3,597	$ 9,808	$ 7,194
Operating lease, weighted average discount rate, percent	4.50%		4.50%
2600 S. Gessner Road, Suite 555 Houston, Texas 77063 [Member]
Lessee, Lease, Description [Line Items]
Lease term					3 years 5 months
Gross leasable area (sqft.) | ft²					678