Note 11 - Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

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

	For the Three Months Ended March 31,
	2014		2013
	(In thousands, except per share data)
Net income (numerator)	$	15,307	$	17,271
Basic earnings per common share
Weighted average number of common shares outstanding - basic (denominator)		26,433		27,145
Basic earnings per common share	$	0.58	$	0.64
Diluted earnings per common share
Weighted average number of common shares outstanding - basic		26,433		27,145
Add exercise of options reduced by the number of shares that could have been purchased with the proceeds of such exercise		104		12
Weighted average number of common shares outstanding - diluted (denominator)		26,537		27,157
Diluted earnings per common share	$	0.58	$	0.64