Lessee, Operating Leases: Lease, Cost (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Details
Operating Lease, Cost	$ 599	$ 1,710
Short-term Lease, Cost	65	139
Variable Lease, Cost	127	333
Lease, Cost	791	2,182
Operating Lease, Payments	603	1,776
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 1,049	$ 1,688