2012 Incentive compensation plan (Tables)

3 Months Ended

Mar. 31, 2016

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

Summary of SAR Awards Transactions

The Compensation Committee of the Board of Directors approved, and the Company granted the following SAR awards:

Award description	Grant date	Recipient(s)	Award	Exercise price		Expiration
SAR I	June 6, 2012	Chief Operating Officer	543,872 shares	$	22.07	June 6, 2022
SAR II	October 19, 2015	Chief Financial Officer	60,000 shares	$	24.41	October 19, 2025
SAR III	February 22, 2016	February 22, 2016 Employee Group	103,350 shares	$	11.25	February 22, 2026

Summary of Restricted Stock Unit Activity

Restricted stock activity consisted of the following for the three months ended March 31, 2016:

	Shares		Weighted average grant date fair value
December 31, 2015		130,244	$	41.77
Granted		—		—
Forfeited		—		—
Vested		—		—
March 31, 2016		130,244	$	41.77