Leases - Supplemental Information (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Leases
Weighted-average remaining non-cancelable lease term	7 years 21 days	7 years 21 days
Weighted-average discount rate	6.70%	6.70%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases		$ 1,320
Right of use assets obtained in exchange for new lease obligations:
Operating leases	$ 73	$ 407