v2.4.0.8

Income Taxes Income Taxes - Summary of Changes to Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits[Roll Forward]
Unrecognized tax benefits, beginning balance	$ 3,750	$ 3,020	$ 1,184
Additions based on tax positions related to the current year	1,689	725	1,018
Additions based on tax positions related to the prior years	23	132	818
Decrease based on tax positions related to the prior years		(127)
Unrecognized tax benefits, ending balance	$ 5,462	$ 3,750	$ 3,020

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6527854



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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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