XML 39 R30.htm IDEA: XBRL DOCUMENT v3.22.1
DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Segment
School
Campus
State
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Business Activities [Abstract]        
Number of schools | School 22      
Number of states in which schools operate across the United States | State 14      
Number of campuses treated as destination schools | Campus 5      
Number of reportable operating segments | Segment 2      
Liquidity [Abstract]        
Cash, cash equivalents and restricted cash $ 65,599 $ 26,742 $ 83,307 $ 38,026
Income Taxes [Abstract]        
Interest and penalties expense $ 0 $ 0