Obligations Under Investment Agreements (Tables)

12 Months Ended

Dec. 31, 2014

Investments Schedule [Abstract]

Expected Principal Payments Due Under Investment Agreements

As of December 31, 2014 and 2013, the carrying value of obligations under investment agreements, including unamortized discounts or premiums to principal, were $160,079 and $359,070, respectively. Principal due under investment agreements, based on the expected optional draw date, in each of the next five years ending December 31, and the periods thereafter, are as follows:

	Principal
	Amount
2015	$	48,928
2016	5,263
2017	107,260
2018	—
2019	—
All later years	—
	$	161,451