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Student Receivables (Tables) | 6 Months Ended
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Jun. 30, 2017
Receivables [Abstract] |
Changes in Current and Non-Current Receivables Allowance | Changes in our current and non-current receivables allowance for the quarters and years to date ended June 30, 2017 and 2016 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 June 30, 2017 |  | $ | 24,153 |  |  | $ | 6,918 |  |  | $ | (6,497 | ) |  | $ | 24,574 |
For the quarter ended June 30, 2016 |  | $ | 22,768 |  |  | $ | 5,268 |  |  | $ | (7,028 | ) |  | $ | 21,008 |
For the year to date ended June 30, 2017 |  | $ | 23,142 |  |  | $ | 15,210 |  |  | $ | (13,778 | ) |  | $ | 24,574 |
For the year to date ended June 30, 2016 |  | $ | 20,229 |  |  | $ | 14,875 |  |  | $ | (14,096 | ) |  | $ | 21,008 |
(1) | Charges to expense include an offset for recoveries of amounts previously written off of $1.2 million and $1.6 million for the quarters ended June 30, 2017 and 2016, respectively, and $2.7 million and $3.6 million for the years to date ended June 30, 2017 and 2016, 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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