Note 23 - Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Quarterly Financial Information [Table Text Block]

	Summary of Operations
	2017									2016
	Fourth		Third		Second		First			Fourth		Third		Second			First
	Quarter		Quarter		Quarter		Quarter			Quarter		Quarter		Quarter			Quarter
	(In thousands, except per share data)
Interest income	$	155,640	$	154,078	$	135,629	$	130,804		$	130,668	$	124,155	$	121,902		$	122,345
Interest expense		22,593		20,882		18,277		18,690			20,766		20,331		20,126			19,977
Net interest income		133,047		133,196		117,352		112,114			109,902		103,824		101,776			102,368
Reversal for credit losses		-		-		-		(2,500	)		-		-		(5,150	)		(10,500	)
Net-interest income after reversal for loan losses		133,047		133,196		117,352		114,614			109,902		103,824		106,926			112,868
Non-interest income		10,466		12,961		6,152		6,718			7,961		8,811		9,057			7,541
Non-interest expense		66,407		61,248		56,658		51,886			53,503		50,737		68,879			51,571
Income before income tax expense		77,106		84,909		66,846		69,446			64,360		61,898		47,104			68,838
Income tax expense		51,166		35,163		15,431		20,505			16,345		15,808		12,273			22,675
Net income	$	25,940	$	49,746	$	51,415	$	48,941		$	48,015	$	46,090	$	34,831		$	46,163
Net income per common share
Basic	$	0.32	$	0.62	$	0.64	$	0.61		$	0.61	$	0.58	$	0.44		$	0.58
Diluted	$	0.32	$	0.61	$	0.64	$	0.61		$	0.60	$	0.58	$	0.44		$	0.57