Equity and Long-Term Compensation - Summary of Stock Based Compensation Activity (Details) - Stock Options [Member]	6 Months Ended
Jun. 30, 2019 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.

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

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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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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 [Member]	6 Months Ended
	Jun. 30, 2019 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 \| $