XML 48 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Lease Agreements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Leases [Abstract]      
Base rent (including straight-line rent) $ 159,898 $ 152,777 $ 138,486
Expense recoveries 30,949 30,391 28,368
Percentage rent $ 1,575 $ 1,545 $ 1,503