Leases - Other Information Related to Leases (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating leases, weighted average remaining lease term (in years)	5 years
Finance leases, weighted average remaining lease term (in years)	2 years 7 months
Operating leases, weighted average discount rate	5.10%
Finance leases, weighted average discount rate	5.50%
Operating cash flows from operating leases, Cash paid for amounts included in the measurement of lease liabilities	$ 171
Operating cash flows from finance leases, Cash paid for amounts included in the measurement of lease liabilities	7
Financing cash flows from finance leases, Cash paid for amounts included in the measurement of lease liabilities	134
Operating leases, ROU assets obtained in exchange for lease obligations	0
Finance leases, ROU assets obtained in exchange for lease obligations	$ 361