Accounts Payable, Accrued Expenses and Other Liabilities - Components of Accounts Payable, Accrued Expenses and Other Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Payables And Accruals [Abstract]
Accrued development expenditures	$ 14,465	$ 21,449
Accrued real estate taxes	15,972	17,091
Dividends payable	14,540	14,559
Below-market leases	13,430	14,476
Accounts payable and accrued expenses	13,309	9,588
Environmental reserve	10,753	11,322
Prepaid rental income	5,982	4,156
Unearned tenant reimbursements	3,298	10,522
Accrued interest	3,211	3,689
Deferred maintenance	2,581	2,581
Total accounts payable, accrued expenses and other liabilities	$ 97,541	$ 109,433