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Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2016

Significant Accounting Policies [Abstract]

Schedule of graduation fund liability

The table below presents activity in the Graduation Fund for the nine months ended September 30, 2015 and 2016 (in thousands):


		September 30,				September 30,
		2015				2016
Balance at beginning of period		$	9,706			$	20,937
Revenue deferred			12,423				17,799
Benefit redeemed			(3,974)				(12,185)
Balance at end of period		$	18,155			$	26,551

Schedule of tuition receivable and allowance for doubtful accounts


		December 31, 2015			September 30, 2016
Tuition receivable		$	28,543		$	28,719
Allowance for doubtful accounts			(10,024)			(9,794)
Tuition receivable, net		$	18,519		$	18,925

Schedule of allowance for doubtful accounts


		For the three months ended									For the nine months ended
		September 30,									September 30,
		2015			2016						2015				2016
Allowance for doubtful accounts, beginning of period		$	8,733		$	9,981					$	8,835			$	10,024
Additions charged to expense			2,293			3,865						9,315				11,069
Write-offs, net of recoveries			(1,250)			(4,052)						(8,374)				(11,299)
Allowance for doubtful accounts, end of period		$	9,776		$	9,794					$	9,776			$	9,794

Schedule of reconciliation of shares used to calculate basic and diluted earnings per share


		For the three months ended				For the nine months ended
		September 30,				September 30,
		2015		2016		2015		2016
Weighted average shares outstanding used to compute basic earnings per share		10,593		10,616		10,586		10,608
Incremental shares issuable upon the assumed exercise of stock options		—		—		—		—
Unvested restricted stock		143		212		140		195
Shares used to compute diluted earnings per share		10,736		10,828		10,726		10,803