Other Assets and Other Liabilities - Schedule of Amortized Rental Revenue (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Amortization Expense 2016	$ 157,914
Amortization Expense 2017	116,958
Amortization Expense 2018	82,876
Amortization Expense 2019	61,672
Amortization Expense 2020	46,599
Amortization Expense Thereafter	147,499
Amortization Expense Totals	613,518
2016	(15,421)
2017	17,381
2018	25,903
2019	28,096
2020	28,103
Thereafter	136,277
Totals	$ 220,339