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

6 Months Ended

Jun. 30, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock option activity during the six months ended June 30, 2014 is summarized in the following table:


						Weighted		Weighted
						Average		Average Fair
	Number			Option Price		Exercise		Value on
	of Shares			per Share		Price		Date of Grant
Outstanding at December 31, 2013		1,246,370			$12.63 to $25.91	$	18.04
Options granted		—			— to —		—		—
Options exercised		(160,020	)	$	14.54 to $20.58	$	17.41
Options forfeited		—			— to —		—
Outstanding at June 30, 2014		1,086,350			$12.63 to $25.91	$	18.13

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 June 30, 2014:


	Currently		Currently Not		Total
	Exercisable		Exercisable		Outstanding
Number of options		788,350		298,000		1,086,350
Weighted average exercise price	$	18.78	$	16.42	$	18.13
Intrinsic value (in thousands)	$	3,571	$	2,002	$	5,573
Weighted average remaining contractual term (yrs.)		4.9		7.8		5.7