Description of the Business and Basis of Presentation (Tables)

9 Months Ended

Oct. 31, 2013

Accounting Policies [Abstract]

Schedule of Net Revenues by Service Category

The net revenues associated with project development services include additional amounts earned upon the success of activities performed by project developers including the closing of permanent financing.

	Three Months Ended October 31,				Nine Months Ended October 31,
Category of Service	2013		2012		2013		2012
Core services	$	46,858,000	$	70,527,000	$	146,147,000	$	206,364,000
Project development services		14,245,000		—		14,245,000		—
Net revenues	$	61,103,000	$	70,527,000	$	160,392,000	$	206,364,000