EARNINGS PER COMMON SHARE (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

	Three months ended				Nine months ended
	September 30,				September 30,
(Dollars in thousands, except per share data)	2012		2011		2012		2011
Numerator for basic and diluted earnings per share -income available to common shareholders:
Net income	$	16,242	$	15,618	$	51,038	$	48,798
Dividends on preferred stock	0		0		0		0
Income available to common shareholders	$	16,242	$	15,618	$	51,038	$	48,798
Denominator for basic earnings per share - weighted average shares	57,976,943		57,735,811		57,902,102		57,674,250
Effect of dilutive securities —
Employee stock awards	842,833		841,604		905,210		930,461
Warrants	120,403		76,684		123,258		95,241
Denominator for diluted earnings per share - adjusted weighted average shares	58,940,179		58,654,099		58,930,570		58,699,952
Earnings per share available to common shareholders
Basic	$	0.28	$	0.27	$	0.88	$	0.85
Diluted	$	0.28	$	0.27	$	0.87	$	0.83