Fair Value Measurements - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended			12 Months Ended
	Mar. 01, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 CP II [Member]	Dec. 31, 2013 EGCP III [Member]	Dec. 31, 2013 COF2 [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Money market funds are valued through the use of quoted market prices		$ 1.00
Unfunded Commitments		$ 27,135	$ 31,482	$ 1,940	$ 18,501	$ 6,694
End of the investment period				Feb. 25, 2017	Oct. 12, 2016	Nov. 11, 2016
Remaining commitments date					Oct. 12, 2023	Nov. 11, 2019
Original commitment	50,000
Reduction in original commitment	$ 17,400
Carried Interest received	20.00%