Note 5 - Net Income per Common Share (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended March 31,
(dollars and shares in thousands, except per share data)	2013		2012
Basic:
Net income available to common shareholders	$	11,431	$	7,492
Average common shares outstanding		23,199		20,111
Basic net income per common  share	$	0.49	$	0.37
Diluted:
Net income available to common shareholders	$	11,431	$	7,492
Average common shares outstanding		23,199		20,111
Adjustment for common share equivalents		639		513
Average common shares outstanding-diluted		23,838		20,624
Diluted net income per common share	$	0.48	$	0.36
Anti-dilutive shares		87,756		116,683