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

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

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

	2015									2014
	Pre-tax			Tax expense/ (Benefit)			Net-of-tax			Pre-tax			Tax expense/ (Benefit)			Net-of-tax
	(In thousands)
Beginning balance, loss, net of tax
Securities available-for-sale							$	(3,172	)							$	(29,729	)
Cash flow hedge derivatives								(2,397	)								-
Total							$	(5,569	)							$	(29,729	)
Net unrealized (losses)/gains arising during the period
Securities available-for-sale	$	(7,247	)	$	(3,047	)	$	(4,200	)	$	52,573		$	22,105		$	30,468
Cash flow hedge derivatives		(1,032	)		(434	)		(598	)		(4,136	)		(1,739	)		(2,397	)
Total		(8,279	)		(3,481	)		(4,798	)		48,437			20,366			28,071
Reclassification adjustment for net losses/(gains) included in net income
Securities available-for-sale		3,349			1,408			1,941			(6,748	)		(2,837	)		(3,911	)
Cash flow hedge derivatives		-			-			-			-			-			-
Total		3,349			1,408			1,941			(6,748	)		(2,837	)		(3,911	)
Total other comprehensive (loss)/income
Securities available-for-sale		(3,898	)		(1,639	)		(2,259	)		45,825			19,268			26,557
Cash flow hedge derivatives		(1,032	)		(434	)		(598	)		(4,136	)		(1,739	)		(2,397	)
Total	$	(4,930	)	$	(2,073	)	$	(2,857	)	$	41,689		$	17,529		$	24,160
Ending balance, loss, net of tax
Securities available-for sale							$	(5,431	)							$	(3,172	)
Cash flow hedge derivatives								(2,995	)								(2,397	)
Total							$	(8,426	)							$	(5,569	)

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

	Year Ended December 31,
	2015						2014						2013
					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	$	161,109					$	137,830					$	123,143
Dividends on preferred stock		-						-						(9,685	)
Basic EPS, income	$	161,109		80,563,577	$	2.00	$	137,830		79,661,571	$	1.73	$	113,458			78,954,898	$	1.44
Effect of dilutive stock options				731,219						445,324							183,085
Diluted EPS, income	$	161,109		81,294,796	$	1.98	$	137,830		80,106,895	$	1.72	$	113,458			79,137,983	$	1.43