Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

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

Schedule of Share-based Payment Award, Valuation Assumptions

The following table includes the weighted- average assumptions used in estimating the fair values and the resulting weighted-average fair value of stock options granted in the periods presented:

	Year Ended December 31, 2016			Year Ended December 31, 2015			Year Ended December 31, 2014
Weighted average fair values of stock options granted	$	19.50		$	7.90		$	—
Expected volatility	55.5		%	55.4		%	—		%
Expected dividends	.61		%	1.42		%	—		%
Weighted average risk-free interest rate	1.40		%	1.03		%	—		%
Expected life of stock options (in years)	3.5			3.5			0.0

Schedule of Stock Options Activity

A summary of stock option activity for the years ended December 31, 2016, 2015 and 2014 is as follows:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
						(in thousands)
Outstanding at January 1, 2014	792,000		$	8.28	1.00	$	5,093
Granted	—		$	—
Exercised	(450,000	)	$	1.75
Canceled	(135,000	)	$	17.58
Outstanding at December 31, 2014	207,000		$	16.41	1.88	$	121
Granted	42,000		$	22.25
Exercised	(109,122	)	$	20.25
Canceled	—
Outstanding at December 31, 2015	139,878		$	15.17	2.32	$	2,465
Granted	42,000		$	49.22
Exercised	(72,379	)	$	11.38
Canceled	—
Outstanding at December 31, 2016	109,499		$	30.73	3.28	$	2,882
Exercisable at December 31, 2016	34,874		$	18.70	2.55	$	1,337

Schedule of Nonvested Share Activity

A summary of non-vested options and changes for the years ended December 31, 2016, 2015 and 2014 is as follows:

	Non-Vested Number of Shares		Weighted Average Exercise Price
Non-vested balance at January 1, 2014	112,500		$	17.32
Granted	—		$	—
Vested	(45,000	)	$	18.53
Canceled	—		$	—
Non-vested balance at December 31, 2014	67,500		$	16.52
Granted	42,000		$	22.25
Vested	(33,750	)	$	17.47
Canceled	—		$	—
Non-vested balance at December 31, 2015	75,750		$	19.27
Granted	42,000		$	49.22
Vested	(43,125	)	$	18.89
Canceled	—		$	—
Non-vested balance at December 31, 2016	74,625		$	36.35

Schedule of Shares Authorized under Stock Option Plans, by Exercise Price Range

The following table summarizes information about stock options outstanding by price range as of December 31, 2016:

	Options Outstanding				Options Exercisable
Exercise Prices	Number Outstanding	Weighted-Average Remaining Contractual Life (Years)	Weighted-Average Exercise Price		Number of Shares	Weighted-Average Exercise Price
$14.89	28,124	0.51	$	3.82	16,874	$	7.20
$21.19	33,375	0.92	$	6.46	15,375	$	9.34
$28.59	6,000	0.18	$	1.57	2,625	$	2.16
$49.22	42,000	1.66	$	18.88	—	$	—
	109,499	3.28	$	30.73	34,874	$	18.70

Schedule of Nonvested Restricted Stock Activity

A summary of the status of the Company’s non-vested restricted stock grant shares is presented in the following table:

	Shares		Weighted-Average Grant Date Fair Value
Non vested at January 1, 2014	75,265		$	19.92
Granted	171,781		$	16.96
Vested	(52,388	)	$	20.35
Forfeited	(6,136	)	$	18.91
Non vested at December 31, 2014	188,522		$	17.13
Granted	132,069		$	30.29
Vested	(108,798	)	$	17.35
Forfeited	(8,479	)	$	17.20
Non vested at December 31, 2015	203,314		$	25.56
Granted	26,119		$	44.79
Vested	(101,441	)	$	23.25
Forfeited	(4,338	)	$	35.54
Non vested at December 31, 2016	123,654		$	31.17