Stock Options and Other Equity-Based Incentive Instruments (Tables)

3 Months Ended

Mar. 31, 2015

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

Stock option activity during the three months ended March 31, 2015 is summarized in the following table:


	Number of Shares			Option Price per Share					Weighted Average Exercise Price		Weighted Average Fair Value on Date of Grant
Outstanding at December 31, 2014		1,102,850		$	12.63	to	$	25.91	$	18.25
Options granted		—			—	to		—		—		—
Options exercised		(47,000	)	$	15.34	to	$	19.46	$	18.86
Options forfeited		—			—	to		—		—
Outstanding at March 31, 2015		1,055,850		$	12.63	to	$	25.91	$	18.22

Summary of Options Outstanding

The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of March 31, 2015:


	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		772,850		283,000		1,055,850
Weighted average exercise price	$	18.60	$	17.20	$	18.22
Intrinsic value (in thousands)	$	4,334	$	1,962	$	6,296
Weighted average remaining contractual term (yrs.)		4.4		7.3		5.2

Restricted Stock Unit (RSU) Activity

Restricted stock unit (RSU) activity is summarized in the following table for the dates indicated:


	Service Condition Vesting RSUs			Market Plus Service Condition Vesting RSUs
	Number of RSUs	Weighted Average Fair Value on Date of Grant		Number of RSUs	Weighted Average Fair Value on Date of Grant
Outstanding at December 31, 2014	30,920			15,366
RSUs granted	—		—	—		—
RSUs added through dividend credits	141			—
RSUs released	—			—
RSUs forfeited/expired	—			—
Outstanding at March 31, 2015	31,061			15,366