Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended					0 Months Ended		1 Months Ended		3 Months Ended			12 Months Ended				0 Months Ended		12 Months Ended
	Dec. 31, 2013 Lease	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Midtown Manhattan [Member] Lease	Dec. 31, 2013 White Plains [Member] Lease	Jun. 30, 2012 Gold Peak [Member]	Mar. 13, 2012 Gold Peak [Member]	Mar. 31, 2012 Gold Peak [Member]	Oct. 31, 2011 Gold Peak [Member]	Dec. 31, 2012 Gold Peak [Member]	Jun. 30, 2012 Gold Peak [Member]	Mar. 31, 2012 Gold Peak [Member]	Dec. 31, 2013 Gold Peak [Member]	Dec. 31, 2012 Gold Peak [Member]	Dec. 31, 2011 Gold Peak [Member]	Sep. 30, 2009 Gold Peak [Member] Segment	Aug. 03, 2012 Gold Peak [Member] First Installment [Member]	Oct. 15, 2012 Gold Peak [Member] Second Installment [Member]	Dec. 31, 2013 Gold Peak [Member] Minimum [Member]	Dec. 31, 2013 Gold Peak [Member] Maximum [Member]
Loss Contingencies [Line Items]
Former Gold Peak condominium project unit																259
Construction defect suit filed against the company									$ 19,000,000
Amount of liability through verdict by jury							18,200,000	18,200,000
Other costs associated with judgment												756,000
Additional charge recorded by Company in discontinued operations as a result of the verdict	(80,000)	11,547,000	4,460,000									14,216,000		11,547,000	4,460,000
Estimated litigation liability															7,740,000
Amount not probable to be received from Insurance Company								3,000,000				3,000,000
Settlement with the plaintiff						17,000,000
Installment amount due																	5,000,000	12,000,000
Reversal of litigation charge											1,956,000
Recovery of litigation charge										712,500			80,000	712,500
Amount of cover available for claim through insurance policy																			9,000,000	12,000,000
Amount of cover available for claim through insurance policy as per ACE													3,000,000
Lawsuit could have been settled													12,000,000
Number of operating leases	3			2	1
Lease expiration period				Sep. 30, 2016	Sep. 30, 2019
Rent expense	1,893,000	1,793,000	1,738,000
Letter of credit requirement	212,000
Contributions percentage of employees' salary	2.00%	2.00%	2.00%
Percentage of employees' contribution	50.00%	50.00%	50.00%
Capped percentage of employees' salary	4.00%	4.00%	4.00%
Company contributions	$ 203,000	$ 159,000	$ 148,000