Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Finance Lease, Operating cash flows	$ 40	$ 2	$ 81	$ 4
Finance Lease, Financing cash flows	21	21	44	42
Operating Lease, Operating cash flows	$ 673	$ 497	$ 1,288	$ 976