Commitments and Contingencies Schedule of Future Minimum Rental Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	$ (1,470)
Finance Lease, Liability, Undiscounted Excess Amount	(284)
Total Lease Liability Undiscounted Excess Amount	(1,754)
Schedule of Future Minimum Rental Payments
Finance Lease, Liability, Payments, Remainder of Fiscal Year	87
Total Lease Future Payments Year 1	281
Finance Lease, Liability, Payments, Due Year Four	4
Total Lease Future Payments Year 4	142
Operating Leases, Future Minimum Payments, Due in Two Years	184
Finance Lease, Liability, Payments, Due Year Two	116
Total Lease Future Payments Year 2	300
Operating Leases, Future Minimum Payments, Due in Three Years	150
Finance Lease, Liability, Payments, Due Year Three	100
Total Lease Future Payments Year 3	250
Operating Leases, Future Minimum Payments, Due in Four Years	138
Operating Leases, Future Minimum Payments, Due in Five Years	24
Finance Lease, Liability, Payments, Due Year Five	0
Total Lease Future Payments Year 5	24
Operating Leases, Future Minimum Payments, Due Thereafter	1,218
Finance Lease, Liability, Payments, Due after Year Five	0
Total Lease Future Payments Thereafter	1,218
Operating Leases, Future Minimum Payments Due	1,908
Finance Lease, Liability, Payment, Due	307
Total Lease Future Payments	2,215
Operating Leases, Future Minimum Payments Due, Next Twelve Months	194
Operating Lease, Liability	438	$ 0
Finance Lease, Liability	23
Total Lease Liability	$ 461