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Other Comprehensive (Loss) Income - Summary of Other Comprehensive Income and Tax Impact (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net unrealized (loss) gain on available-for-sale securities, net of income taxes	$ (95)	$ 47	$ (86)	$ (128)
Net unrealized gain on interest rate swaps, net of income taxes	44	32	161	175
Foreign currency translation	(15)	(14)	(44)	(45)
Total other comprehensive (loss) income	$ (66)	$ 65	$ 31	$ 2

X

- Definition

The effective portion of gains on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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