Indebtedness - Schedule of Aggregate Maturities of Indebtedness (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Disclosure [Abstract]
Remainder of 2014	$ 1,987
2015	4,205
2016	4,418
2017	154,736
2018	350,958
Thereafter	460,456
Total aggregate maturities of indebtedness	$ 976,760	$ 1,098,734

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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