Schedule Of Other Assets (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Other Assets [Line Items]
Workers' compensation deposits	$ 500,000	$ 700,000
Health insurance deposits	1,200,000	1,200,000
Other miscellaneous deposits	1,100,000	1,200,000
Deferred financing fees	2,500,000	2,200,000
Investment in unconsolidated joint ventures	6,600,000	6,400,000
Other	6,800,000	12,600,000
Other assets, Total	$ 18,650,000	$ 24,322,000