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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options vested.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Number of share options (or share units) exercised during the current period.

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Equity-Based Compensation (Details 2) (Stock Options, USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended	12 Months Ended	0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Aug. 07, 2014	Jun. 19, 2014
Number of Options
Outstanding at the beginning of period (in shares)	893,000
Exercised (in shares)	47,000
Outstanding at the end of period (in shares)	846,000	893,000
Exercisable at the end of period (in shares)	507,600
Weighted Average Exercise Price
Outstanding at the beginning of period (in dollars per share)	$ 9.75
Exercised (in dollars per share)	$ 9.75
Outstanding at the end of period (in dollars per share)	$ 9.75	$ 9.75
Exercisable at the end of period (in dollars per share)	$ 9.75
Weighted Average Remaining Contractual Terms
Outstanding at the end of period	6 years 4 months 24 days	7 years 2 months 12 days
Exercisable at the end of period	6 years 4 months 24 days
Aggregate Intrinsic Value (Current Value Less Exercise Price)
Outstanding at the end of period	$ 871
Exercisable at the end of period	$ 523
Severance and release agreement \| Mr. Becker
Number of Options
Additional options that became exercisable				18,800
Shares issued			4,253