Note 6 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

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

	Three Months Ended March 31
(in thousands, except for share and per share amounts)	2015		2014
Basic:
Weighted average common shares outstanding		13,761,561		13,843,190
Net income	$	13,242	$	13,229
Dividends to preferred stockholders		2,168		2,168
Net income available to common stockholders	$	11,074	$	11,061
Earnings per common share, basic	$	0.80	$	0.80
Diluted:
Weighted average common shares outstanding		13,761,561		13,843,190
Dilutive effect of stock options		153,557		44,457
Dilutive effect of restricted stock		4,732		6,348
Dilutive effect of contingent issuable stock		369,950		276,458
Assumed average common shares outstanding		14,289,800		14,170,453
Net income available to common stockholders	$	11,074	$	11,061
Earnings per common share, diluted	$	0.77	$	0.78