Members Interests - Member Interests in Predecessor (Detail)

v2.4.0.6

Members Interests - Member Interests in Predecessor (Detail) (Predecessor [Member])	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
MissionPoint HA Parallel Fund, L.P. [Member]
Schedule Of Membership Interests [Line Items]
Member interests in the Predecessor	70.00%	70.00%
Jeffrey W. Eckel, Chief Executive Officer [Member]
Schedule Of Membership Interests [Line Items]
Member interests in the Predecessor	18.00%	18.00%
Other management and employees of the Predecessor [Member]
Schedule Of Membership Interests [Line Items]
Member interests in the Predecessor	12.00%	12.00%