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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Fair Value Assumptions

The assumptions used for valuing the SARs granted in 2012 included the following:

Assumptions		2012 SARs
Market closing price of the Common Stock		$	16.50
Exercise price		$	22.07
Risk-free interest rate		0.92		%
Expected volatility		55.0		%
Expected term		6 years
Dividend yield		—		%

The assumptions used for valuing the February 2016 SAR awards included the following:

Assumptions		February 2016 SAR awards
Market closing price of the Common Stock		$	10.76
Exercise price		$	11.25
Risk-free interest rate		1.36		%
Estimated price volatility		55.0		%
Expected term		5.75 years
Dividend yield		—		%

The assumptions used for valuing the incremental compensation related to the modification included the following:

Assumptions		Pre-Modification				Post-Modification
Market closing price of the Common Stock		$	53.64			$	51.13
Exercise price		$	22.07			$	22.07
Risk-free interest rate		1.10		%		1.53		%
Expected volatility		50.0		%		50.0		%
Expected term		3.5 years				4.9 years
Dividend yield		—		%		—		%
Fair value of the Common Stock		$	31.97			$	33.81

The assumptions used for valuing the 2017 SARs included the following:

Assumptions		2017 SARs
Market closing price of the Common Stock		$	7.37
Exercise price		$	7.37
Risk-free interest rate		2.1		%
Estimated price volatility		58.5		%
Expected term		6.00 years
Dividend yield		—		%

The assumptions used for valuing the SARs granted in 2015 included the following:

Assumptions		2015 SARs
Market closing price of the Common Stock		$	24.41
Exercise price		$	24.41
Risk-free interest rate		1.76		%
Expected volatility		50.0		%
Expected term		7.25 years
Dividend yield		—		%

Schedule of SAR Activity

SAR activity consisted of the following:

Number of Shares under SARs		Shares			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2013		362,581			$	22.07			8.44		$	19,228
Granted		—			—						—
Exercised		(120,000	)		22.07						6,673
Forfeited		—			—						—
Expired		—			—						—
Outstanding at December 31, 2014		242,581			22.07				7.44		7,166
Exercisable at December 31, 2014		61,291			$	22.07			7.44		$	1,811

Number of Shares under SARs		Shares			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2014		242,581			$	22.07			7.44		$	7,166
Granted		60,000			24.41						—
Exercised		—			—						—
Forfeited		—			—						—
Expired		—			—						—
Outstanding at December 31, 2015		302,581			22.53				7.10		—
Exercisable at December 31, 2015		61,291			$	22.07			6.44		$	—

Number of Shares under SARs		Shares			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2015		302,581			$	22.53			7.10		$	—
Granted		106,800			11.43						—
Exercised		—			—						—
Forfeited		(195,490	)		21.28						—
Expired		(61,291	)		22.07						—
Outstanding at December 31, 2016		152,600			16.55				9.02		—
Exercisable at December 31, 2016		—			$	—					$	—

Number of Shares under SARs		Shares			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2016		152,600			$	16.55			9.02		$	—
Granted		5,000			7.37						—
Exercised		—			—						—
Forfeited		(67,130	)		23.16						—
Expired		(6,750	)		12.68						—
Outstanding at December 31, 2017		83,720			11.02				8.21		1,000
Exercisable at December 31, 2017		39,360			$	11.25			8.15		$	—

Schedule of Restricted Stock Activity

Restricted stock activity consisted of the following:

		Shares			Weighted-Average Grant Date Fair Value
Balance as of December 31, 2013		162,993			$	39.29
Granted		23,000			71.47
Forfeited		(12,000	)		60.44
Vested		(19,742	)		41.89
Balance as of December 31, 2014		154,251			42.11
Granted		1,000			28.48
Forfeited		(800	)		65.51
Vested		(24,207	)		42.63
Balance as of December 31, 2015		130,244			41.77
Granted		750			18.50
Forfeited		(4,668	)		36.00
Vested		(21,986	)		42.96
Balance as of December 31, 2016		104,340			41.61
Granted		437,472			8.13
Forfeited		(29,144	)		38.33
Vested		(16,395	)		44.19
Balance as of December 31, 2017		496,273			$	12.20

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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