Schedule of Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Other Assets [Line Items]
Debt issuance costs, less accumulated amortization of $2,311 and $4,987, respectively	$ 17,336	$ 11,568
Intangible lease value	25,567
Deferred leasing costs	9,305
Notes receivable, net	6,987	4,175
Cash equivalents and cash surrender value of life insurance held in Rabbi trust	15,811	12,559
Deposits	2,037	1,982
Straight-line rent receivable	133
Other	652	417
Other assets, total	$ 77,828	$ 30,701