Long-term Debt and Capital Lease Obligations - Summary of Capital Lease Obligations (Parenthetical) (Detail) - Capital lease obligations, imputed interest at 2.65% to 4.87% [Member] - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Imputed interest rate for capital lease obligation, minimum	2.65%	2.65%
Imputed interest rate for capital lease obligation, maximum	4.87%	4.87%
Monthly installment capital lease obligation	$ 10,508.37	$ 10,508.37

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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