Income Tax (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Unrecognized tax position	$ 0	$ 0
Interest and penalties on unrecognized tax benefits	0	$ 0
Federal operating loss carryforwards, set to begin to expire in 2024	11,300
Idaho state operating loss carryforwards, set to begin to expire in 2024	8,400
State operating loss carryforwards, set to begin to expire in 2024	$ 61