EARNINGS PER COMMON SHARE (Tables)

12 Months Ended

Dec. 31, 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:

(Dollars in thousands, except per share data)	2012		2011		2010
Numerator for basic and diluted earnings per share -income available to common shareholders:
Net income	$	67,303	$	66,739	$	59,251
Dividends on preferred stock	0		0		1,865
Income available to common shareholders	$	67,303	$	66,739	$	57,386
Denominator for basic earnings per share - weighted average shares	57,876,685		57,691,979		56,969,491
Effect of dilutive securities
Employee stock awards	873,293		907,428		913,809
Warrants	118,814		93,798		109,778
Denominator for diluted earnings per share - adjusted weighted average shares	58,868,792		58,693,205		57,993,078
Earnings per share available to common shareholders
Basic	$	1.16	$	1.16	$	1.01
Diluted	$	1.14	$	1.14	$	0.99