Debt - Additional Information (Detail) (USD $)	12 Months Ended		3 Months Ended
	Dec. 31, 2013 Arrangements	Mar. 31, 2014	Mar. 31, 2014 Note B [Member] Cerritos, CA [Member]	Dec. 31, 2013 Note B [Member] Cerritos, CA [Member]	Dec. 31, 2013 Non-Recourse Secured Financing [Member]
Debt Instrument [Line Items]
Mortgage loans payable	$ 444,933,000	$ 476,424,000
Secured financing aggregate amount					29,150,000
Number of financing arrangements	2
Note issued			14,500,000
Interest rate of B Note			6.6996%
Amount payable on notes for interest accruing			12,000
Percentage on return on capital			9.00%
Outstanding balance of loan			$ 893,000	$ 942,000