XML 110 R52.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Student Receivables - Changes in Current and Non-Current Receivables Allowance (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Receivables [Abstract]      
Balance, Beginning of Period $ 24,836 $ 22,534 $ 23,142
Charges to Expense [1] 43,470 32,042 27,571
Amounts Written-off (36,342) (29,740) (28,179)
Balance, End of Period $ 31,964 $ 24,836 $ 22,534
[1] Charges to expense include an offset for recoveries of amounts previously written off of $2.6 million, $5.7 million and $4.2 million for the years ended December 31, 2019, 2018 and 2017, respectively.