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Schedule II-Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2019
Schedule II-Valuation and Qualifying Accounts [Abstract]  
Schedule II-Valuation and Qualifying Accounts
Schedule II—Valuation and Qualifying Accounts

(in thousands)

Description
 
Balance at
Beginning
of Period
 
Charged to
Expense
 
Accounts
Written-off
 
Balance at
End of
Period
 
Allowance accounts for the year ended:
         
          
December 31, 2019 Student receivable allowance
  
$
16,993
  
$
20,847
  
$
(17,473
)
 
$
20,367
 
December 31, 2018 Student receivable allowance
  
$
13,784
  
$
17,705
  
$
(14,496
)
 
$
16,993
 
December 31, 2017 Student receivable allowance
  
$
14,794
  
$
13,720
  
$
(14,730
)
 
$
13,784