Summary of Significant Accounting Policies - Long-Lived Assets, Goodwill, Revenue Recognition Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
ROU asset impairment charges		$ 1,700,000	$ 2,100,000	$ 0
Impairment charges recorded on long lived assets				0
Impairment charges recorded on goodwill		0	8,264,000	$ 0
Goodwill [Roll Forward]
Goodwill, Beginning balance		51,205,000
Goodwill, Ending balance		51,205,000	51,205,000
ROU asset impairment		1,700,000	$ 2,100,000
Discontinued Operations
Goodwill [Line Items]
Impairment charges recorded on goodwill	$ 1,900,000	$ 1,900,000