Stock-Based Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2014

Stock-based compensation plans

Summary of activity under the 2007 Plan

	Shares
Restricted stock at December 31, 2011	651,294
Granted in 2012 (vesting over 4 years)	283,000
Granted in 2012 (vesting on first anniversary from date of issuance)	28,040
Cancelled in 2012	(8,988	)
Vested in 2012	(270,692	)
Restricted stock at December 31, 2012	682,654
Granted in 2013 (vesting over 4 years)	130,000
Granted in 2013 (vesting on first anniversary from date of issuance)	21,408
Cancelled in 2013	(60,110	)
Vested in 2013	(258,822	)
Restricted stock at December 31, 2013	515,130
Granted in 2014 (vesting on first anniversary from date of issuance)	50,208
Vested in 2014	(149,107	)
Restricted Stock at June 30, 2014	416,231