Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Stock-Based Compensation [Abstract]

Stock option activity

The following table summarizes information concerning stock options outstanding at December 31, 2014:

	Number of Shares			Weighted average exercise price		Weighted Average Remaining Contractual Term (in yrs)		Aggregate Intrinsic Value
Outstanding at January 1, 2014		1,341,500		$	22.98
Granted		3,296			24.80
Exercised		(290,243	)		22.58
Forfeited		(105	)		20.19
Expired		(16,106	)		22.36
Outstanding at December 31, 2014		1,038,342		$	23.10		3.40		$	3,353,951
Exercisable at December 31, 2014		1,031,726		$	23.09		3.37		$	3,342,258
Expected to Vest		5,249		$	24.50		7.32		$	9,354

Cash proceeds, tax benefits and intrinsic value of stock options exercised

Cash proceeds, tax benefits and intrinsic value related to total stock options exercised is as follows:

	Years ended December 31,
(dollars in thousands)	2014		2013		2012
Proceeds from stock options exercised	$	6,554	$	7,927	$	1,908
Tax benefits related to stock options exercised		313		178		8
Intrinsic value of stock options exercised		789		905		498
Fair value of shares vested during the year		393		766		1,656

Unvested restricted awards and unvested restricted units activity

The following table summarizes information for unvested restricted stock awards outstanding as of December 31, 2014:

	Number of Shares			Weighted- Average Grant Date Fair Value
Unvested Restricted Stock Awards
Unvested at January 1, 2014		66,650		$	23.15
Forfeited		-			-
Vested		(14,650	)		22.16
Unvested at December 31, 2014		52,000		$	23.43

The following table summarizes information for unvested restricted stock units outstanding as of December 31, 2014:

	Number of Shares			Weighted- Average Grant Date Fair Value
Unvested Restricted Stock Units
Unvested at January 1, 2014		539,850		$	27.36
Forfeited		(5,090	)		-
Vested		(105,013	)		-
Granted		209,228			24.11
Unvested at December 31, 2014		638,975		$	31.01