Intangible Assets and Goodwill Narrative (Details) - USD ($)		12 Months Ended
	Oct. 03, 2014	Dec. 31, 2020	Dec. 31, 2019
Goodwill And Intangible Assets [Line Items]
Goodwill		$ 7,455,000	$ 7,203,000
Goodwill impairment		0
Kulu Valley Ltd
Goodwill And Intangible Assets [Line Items]
Goodwill acquired during period	$ 8,800,000
Goodwill		$ 7,500,000
Intangible assets acquired during period	$ 6,700,000