Segments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
General contracting and real estate services revenues	$ 19,373	$ 21,896	$ 23,291	$ 17,956	$ 13,391	$ 13,631	$ 12,383	$ 14,641	$ 82,516	$ 54,046	$ 77,602
General contracting and real estate services expenses									78,813	50,103	72,138
Non-cash stock compensation									1,249
Impairment charges									580
General and Administrative Expense
Segment Reporting Information [Line Items]
Non-cash stock compensation									1,200
General contracting and real estate services
Segment Reporting Information [Line Items]
General contracting and real estate services revenues									82,516	54,046	77,602
General contracting and real estate services expenses									78,813	50,103	72,138
Intersegment Eliminations | General contracting and real estate services
Segment Reporting Information [Line Items]
General contracting and real estate services revenues									35,700	1,400	5,600
General contracting and real estate services expenses									$ 35,400	$ 1,300	$ 5,500