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Student Receivables (Tables)
 3 Months Ended
Mar. 31, 2018
Receivables [Abstract]  
Changes in Current and Non-Current Receivables Allowance

Changes in our current and non-current receivables allowance for the quarters ended March 31, 2018 and 2017 were as follows (dollars in thousands):

 

 

 

Balance,

Beginning

of Period

 

 

Charges to

Expense (1)

 

 

Amounts

Written-off

 

 

Balance,

End

of Period

 

For the quarter ended March 31, 2018

 

$

22,534

 

 

$

7,013

 

 

$

(6,996

)

 

$

22,551

 

For the quarter ended March 31, 2017

 

$

23,142

 

 

$

8,292

 

 

$

(7,281

)

 

$

24,153

 

 

(1)

Charges to expense include an offset for recoveries of amounts previously written off of $1.3 million and $1.5 million for the quarters ended March 31, 2018 and 2017, respectively.