Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2015

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

Summary of Information Concerning Restricted Stock Awards

The following table summarizes certain information concerning restricted stock awards:

	Six Months Ended June 30,
	2015					2014
	Awards			Weighted Average Grant Price		Awards			Weighted Average Grant Price
Unvested awards outstanding at beginning of period		1,354,093		$	11.86		1,729,033		$	10.23
Granted		401,510			13.16		357,341			13.63
Net adjustment due to performance		(46,956	)		10.25		(87,512	)		11.41
Vested		(460,606	)		10.61		(698,121	)		8.77
Forfeited		(2,774	)		17.24		(32,909	)		10.99
Dividend reinvestment		18,359			14.13		22,501			12.74
Unvested awards outstanding at end of period		1,263,626			12.82		1,290,333			11.90

Components of Restricted Stock Awards

The components of the restricted stock awards as of June 30, 2015 are as follows:

	Service- Based Awards		Performance- Based Awards		Total
Unvested awards		663,106		600,520		1,263,626
Unrecognized compensation expense	$	5,165	$	2,976	$	8,141
Intrinsic value	$	9,496	$	8,599	$	18,095
Weighted average remaining life (in years)		2.31		2.20		2.26

Summary of Information Concerning Stock Option Awards

The following table summarizes certain information concerning stock option awards:

	Six Months Ended June 30,
	2015					2014
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding at beginning of period		568,834		$	8.86		533,524		$	11.50
Assumed from acquisitions		—			—		304,785			5.77
Exercised		(82,810	)		5.57		(134,687	)		6.24
Forfeited		(2,182	)		4.34		(52,262	)		25.03
Options outstanding and exercisable at end of period		483,842			9.44		651,360			8.82