Derivative Instruments and Hedging Activities - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Accumulated other comprehensive income (loss):
Beginning balance	$ (1,254)
Unrealized gain on derivatives, net of tax	1,265	(1,254)
Ending balance	11	(1,254)
Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss):
Beginning balance	(1,254)
Other comprehensive income before reclassifications	257
Amounts reclassified from accumulated other comprehensive income to interest expense	1,008
Unrealized gain on derivatives, net of tax	1,265
Ending balance	$ 11

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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