Lessee, Operating Leases: Lease, Cost (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Details
Operating Lease, Cost	$ 536
Short-term Lease, Cost	24
Variable Lease, Cost	74
Lease, Cost	634
Operating Lease, Payments	605
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 56
Operating Lease, Weighted Average Remaining Lease Term	5 years
Operating Lease, Weighted Average Discount Rate, Percent	6.79%