Note 13 - Stockholders' Equity and Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	2014									2013
	Pre-tax			Tax expense/ (Benefit)			Net-of-tax			Pre-tax			Tax expense/ (Benefit)			Net-of-tax
	(In thousands)
Beginning balance, (loss)/income, net of tax
Securities available-for sale							$	(29,729	)							$	465
Cash flow hedge derivatives								-									-
Total							$	(29,729	)							$	465
Net unrealized gains/(losses) arising during the period
Securities available-for sale	$	39,077		$	16,431		$	22,646		$	(117,515	)	$	(49,407	)	$	(68,108	)
Cash flow hedge derivatives		(4,136	)		(1,739	)		(2,397	)		-			-			-
Total		34,941			14,692			20,249			(117,515	)		(49,407	)	$	(68,108	)
Reclassification adjustment for net gains included in net income
Securities available-for sale		6,748			2,837			3,911			27,362			11,503			15,859
Cash flow hedge derivatives		-			-			-			-			-			-
Total		6,748			2,837			3,911			27,362			11,503			15,859
Net unrealized gains arising from transferring securities held-to-maturity to available-for-sale		-			-			-			38,052			15,997			22,055
Total other comprehensive income/(loss)
Securities available-for sale		45,825			19,268			26,557			(52,101	)		(21,907	)		(30,194	)
Cash flow hedge derivatives		(4,136	)		(1,739	)		(2,397	)		-			-			-
Total	$	41,689		$	17,529		$	24,160		$	(52,101	)	$	(21,907	)	$	(30,194	)
Ending balance, loss, net of tax
Securities available-for sale							$	(3,172	)							$	(29,729	)
Cash flow hedge derivatives								(2,397	)								-
Total							$	(5,569	)							$	(29,729	)

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

	Year Ended December 31,
	2014						2013							2012
					Per							Per							Per
	Income		Shares		Share		Income			Shares		Share		Income			Shares		Share
	(Numerator)		(Denominator)		Amount		(Numerator)			(Denominator)		Amount		(Numerator)			(Denominator)		Amount
	(In thousands, except shares and per share data)
Net income	$	137,830					$	123,143						$	117,438
Dividends on preferred stock		-						(9,685	)						(16,488	)
Basic EPS, income/(loss)	$	137,830		79,661,571	$	1.73	$	113,458			78,954,898	$	1.44	$	100,950			78,719,133	$	1.28
Effect of dilutive stock options				445,324							183,085							4,164
Diluted EPS, income/(loss)	$	137,830		80,106,895	$	1.72	$	113,458			79,137,983	$	1.43	$	100,950			78,723,297	$	1.28