For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Period Type:	duration

Summary of Significant Accounting Policies - Concentration of Credit risk (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Concentration Risk [Line Items]
Bank deposit accounts	$ 22.1
Revenues \| Customer concentration risk \| Medtronic Sofamor Danek USA
Concentration Risk [Line Items]
Concentration risk (as a percent)		22.00%
Revenues \| Customer concentration risk \| Surgalign Holdings
Concentration Risk [Line Items]
Concentration risk (as a percent)	10.00%	10.00%
Accounts Receivable \| Customer concentration risk \| Surgalign Holdings
Concentration Risk [Line Items]
Concentration risk (as a percent)	11.00%		12.00%