Leases - ROU Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets
Operating	$ 3,303
Finance	3,958
Total ROU Assets	7,261
Current
Operating	2,621
Finance	1,743	$ 3,231
Noncurrent
Operating	667
Finance	339
Total Lease Liabilities	5,370
Future operating lease payments, remainder of 2019	700
Future operating lease payments, 2020	2,500
Future operating lease payments, 2021	200
Accumulated amortization	$ 1,000