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Other Assets - Summary of Other Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid expenses $ 4,338 $ 4,104
Interest rate swaps 5,783 9,344
Other investments 7,221 2,306
Other assets 6,490 5,831
Total $ 23,832 $ 21,585