Equity and Long-Term Compensation - Summary of Stock Based Compensation Activity (Details) - Stock Options	9 Months Ended
Sep. 30, 2017 USD ($) $ / shares shares
Number of Options Balance Beginning \| shares	106,000
Number of Options Plan Awards \| shares
Number of Options Exercised \| shares
Number of Options Balance Ending \| shares	106,000
Number of Options Vested \| shares	106,000
Weighted Average Exercise Price Balance Beginning \| $ / shares	$ 7.96
Weighted Average Exercise Price Plan Awards \| $ / shares
Weighted Average Exercise Price Options Exercised \| $ / shares
Weighted Average Exercise Price Balance Ending \| $ / shares	7.96
Weighted Average Exercise Price Options Vested \| $ / shares	$ 7.96
Aggregate Intrinsic Value Balance Beginning \| $
Aggregate Intrinsic Value Balance Ending \| $
Aggregate Intrinsic Value Options Vested \| $

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Number of options outstanding, including both vested and non-vested options.

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

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

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

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Equity and Long-Term Compensation - Summary of Stock Based Compensation Activity (Details) - Stock Options	9 Months Ended
	Sep. 30, 2017 USD ($) $ / shares shares
Number of Options Balance Beginning \| shares	106,000
Number of Options Plan Awards \| shares
Number of Options Exercised \| shares
Number of Options Balance Ending \| shares	106,000
Number of Options Vested \| shares	106,000
Weighted Average Exercise Price Balance Beginning \| $ / shares	$ 7.96
Weighted Average Exercise Price Plan Awards \| $ / shares
Weighted Average Exercise Price Options Exercised \| $ / shares
Weighted Average Exercise Price Balance Ending \| $ / shares	7.96
Weighted Average Exercise Price Options Vested \| $ / shares	$ 7.96
Aggregate Intrinsic Value Balance Beginning \| $
Aggregate Intrinsic Value Balance Ending \| $
Aggregate Intrinsic Value Options Vested \| $