Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases
Operating lease right-of-use asset	$ 6,042	$ 7,500
Lease liability	7,217
Operating lease liability - current	1,256
Operating lease liability - noncurrent	$ 5,961
Deferred rent liability			$ 799
ASU 2016-02
Leases
Operating lease right-of-use asset		7,499
Operating lease liability - current		1,080
ASU 2016-02 | Adjustment
Leases
Operating lease right-of-use asset		7,499
Lease liability		8,300
Operating lease liability - current		1,080
Deferred rent liability		(799)
Noncurrent | ASU 2016-02
Leases
Operating lease liability - noncurrent		7,219
Noncurrent | ASU 2016-02 | Adjustment
Leases
Operating lease liability - noncurrent		$ 7,219