XML 98 R81.htm IDEA: XBRL DOCUMENT v3.21.2
Business Combination - Unaudited supplemental pro forma information (Details) - TOI Parent Inc. - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2019
Business Combination        
Goodwill $ 15,680,160 $ 14,226,674 $ 14,076,674 $ 14,076,674
Practice, ICRI, and HHHC        
Business Combination        
Estimated useful life of identified intangible assets   10 years    
Goodwill 1,453,486 $ 14,076,674    
Pro forma combined revenue 0   113,160,114  
Pro forma combined net income $ 0   $ 2,136,657