Quarterly Financial Summary (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Information

The following is a summary of quarterly financial information for the years ended December 31, 2014 and 2013:

	2014 Quarters								2013 Quarters
(In thousands, except per share data)	First			Second		Third		Fourth	First		Second	Third	Fourth
Interest income	$	161,326		166,550		170,676		172,715	$	152,313	156,646	161,168	160,582
Interest expense	17,320			17,370		19,006		18,996	21,600		20,822	19,386	18,274
Net interest income	144,006			149,180		151,670		153,719	130,713		135,824	141,782	142,308
Provision for credit losses	1,880			6,660		5,864		6,133	15,687		15,382	11,114	3,850
Net interest income after provision for credit losses	142,126			142,520		145,806		147,586	115,026		120,442	130,668	138,458
Non-interest income, excluding net securities (losses) gains	45,562			54,438		58,105		57,639	57,128		63,993	54,587	49,689
Net securities (losses) gains	(33		)	(336	)	(153	)	18	251		2	75	(3,328	)
Non-interest expense	131,315			133,591		138,500		143,441	120,119		128,187	127,248	126,997
Income before taxes	56,340			63,031		65,258		61,802	52,286		56,250	58,082	57,822
Income tax expense	21,840			24,490		25,034		23,669	20,234		21,943	22,519	22,534
Net income	$	34,500		38,541		40,224		38,133	$	32,052	34,307	35,563	35,288
Preferred stock dividends and discount accretion	1,581			1,581		1,581		1,580	2,616		2,617	1,581	1,581
Net income applicable to common shares	$	32,919		36,960		38,643		36,553	$	29,436	31,690	33,982	33,707
Net income per common share:
Basic	0.71			0.79		0.83		0.78	0.80		0.85	0.86	0.82
Diluted	0.68			0.76		0.79		0.75	0.65		0.69	0.71	0.70
Cash dividends declared per common share	0.10			0.10		0.10		0.10	0.09		—	0.09	—