XML 53 R41.htm IDEA: XBRL DOCUMENT v3.20.2
Significant Accounting Policies - Tuition Receivable (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Tuition receivable $ 90,815 $ 82,454
Allowance for credit losses (44,857) (30,931)
Tuition receivable, net $ 45,958 $ 51,523