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

9 Months Ended

Sep. 30, 2015

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

Stock option activity during the nine months ended September 30, 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		(68,000	)	$	15.34	to	$	22.54	$	19.51
Options forfeited		—			—	to		—		—

Outstanding at September 30, 2015		1,034,850		$	12.63	to	$	25.91	$	18.17

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 September 30, 2015:


	Currently Exercisable		Currently Not Exercisable		Total Outstanding
Number of options		755,850		279,000		1,034,850
Weighted average exercise price	$	18.52	$	17.23	$	18.17
Intrinsic value (in thousands)	$	4,611	$	2,047	$	6,658
Weighted average remaining contractual term (yrs.)		4.1		6.8		4.8

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		30,348		$	23.45		18,348	$	21.01
RSUs added through dividend credits		710					—
RSUs released		(11,652	)				—
RSUs forfeited		(2,643	)				—

Outstanding at September 30, 2015		47,683					33,714