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Student Receivables (Tables) | 12 Months Ended
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Dec. 31, 2014
Receivables [Abstract] |
Changes in Current and Non-Current Receivables Allowance | Changes in our current and non-current receivables allowance for the years ended December 31, 2014, 2013 and 2012 were as follows (dollars in thousands):
|  | Balance, Beginning of Period |  |  | Charges to Expense (1) |  |  | Amounts Written-off |  |  | Balance, End of Period |
For the year ended December 31, 2014 |  | $ | 17,570 |  |  | $ | 15,850 |  |  | $ | (18,903 | ) |  | $ | 14,517 |
For the year ended December 31, 2013 |  | $ | 21,524 |  |  | $ | 20,418 |  |  | $ | (24,372 | ) |  | $ | 17,570 |
For the year ended December 31, 2012 |  | $ | 26,371 |  |  | $ | 21,914 |  |  | $ | (26,761 | ) |  | $ | 21,524 |
(1) | Charges to expense include an offset for recoveries of amounts previously written off of $5.7 million, $5.1 million and $6.1 million for the years ended December 31, 2014, 2013 and 2012, respectively.

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- Definition Tabular disclosure related to the reconciliation of changes in the allowance for doubtful accounts, including disclosures for bad debt expense and amounts written off. + References No definition available. + Details
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