Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

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

Summary of RSU's Granted Under LTIP

The following table summarizes the RSU’s granted under the LTIP as of June 30, 2015:

	Units		Weighted-Average Grant Date Fair Value
Awards with market conditions		49,763	$	29.86
Awards with performance condition		67,382	$	22.05
Awards with service conditions		196,272	$	22.11

Summary of Stock Option Activity

The following table summarizes stock options activity for the six months ended June 30, 2015:

	Shares		Weighted-average exercise prices
Outstanding at December 31, 2014		316,000	$	19.56
Outstanding at June 30, 2015		316,000	$	19.56
Exercisable at June 30, 2015		83,333	$	23.62

Nonvested Restricted Stocks and Units Activity

The following table summarizes nonvested restricted shares and RSUs activity for the six months ended June 30, 2015:

Nonvested restricted shares and RSUs	Shares		Weighted-average grant date fair value
Nonvested at December 31, 2014		23,252	$	22.04
Forfeited		6,205		21.04
Vested		19,116		22.56
Granted		553,242		22.57
Nonvested at June 30, 2015		551,173	$	22.56