Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Total Amount of Interest Expense and Fees Recognized on Borrowing under New Credit Agreement

The following table sets forth the total amount of interest expense and fees (including the commitment fee and amortized debt discount) that we recognized on our borrowings under the Financing Agreement, the Amended Credit Agreement or the credit agreement that was in effect prior to the Amended Credit Agreement, as applicable, in the periods indicated:

	Year Ended December 31,
	2014		2013		2012
Interest expense and fees	$	3,761	$	3,424	$	3,303

Total Amount of Interest Expense and Discount Accretion on PEAKS Senior Debt

The following table sets forth the total amount of interest expense and discount accretion that we recognized on the PEAKS Senior Debt in the periods indicated:

	Year Ended December 31,
	2014		2013
Interest expense	$	20,814	$	21,288
Discount accretion	$	6,712	$	4,926

Estimated Principal Payments on the PEAKS Senior Debt in the Period

The following table sets forth the estimated principal payments on the PEAK Senior Debt in the periods indicated:

Fiscal Year Ending December 31,	Amount
2015	$	37,545
2016		12,226
2017		8,830
2018		9,678
2019		10,673
2020		17,966
Total	$	96,918