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Long-Term Compensation - Summary of Stock Based Compensation Activity (Details) - Stock Options [Member] - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Number of Options Balance Beginning	106,000	106,000
Number of Options Plan Awards
Number of Options Exercised
Number of Options Balance Ending	106,000	106,000
Number of Options Vested	106,000	106,000
Weighted Average Exercise Price Balance Beginning	$ 7.96	$ 7.96
Weighted Average Exercise Price Plan Awards
Weighted Average Exercise Price Options Exercised
Weighted Average Exercise Price Balance Ending	7.96	7.96
Weighted Average Exercise Price Options Vested	$ 7.96	$ 7.96
Aggregate Intrinsic Value Balance Beginning
Aggregate Intrinsic Value Balance Ending
Aggregate Intrinsic Value Options Vested

X

- Definition

Net number of share options (or share units) granted during the period.

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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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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options.

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