Indebtedness - Schedule of Aggregate Maturities of Indebtedness (Detail) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Remainder of 2016		$ 1,559
2017		153,296
2018		3,502
2019	[1]	227,504
2020		300,000
Thereafter		250,000
Total		$ 935,861	$ 889,537

[1] 1) Includes outstanding balance of $47,836 on the Company’s lines of credit.