Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Data

	Quarters Ended 2013
	March 31			June 30			September 30			December 31
	(in thousands, except for share data)
Interest income	$	153,033		$	152,370		$	153,779		$	156,915
Interest expense		42,997			42,483			42,110			40,787
Net interest income		110,036			109,887			111,669			116,128
Provision for credit losses		1,769			2,552			5,334			6,440
Non-interest income:
Gains on securities transactions, net		3,958			41			9			10,670
Trading (losses) gains, net		(2,202	)		(270	)		2,231			1,150
Gains on sales of loans, net		15,060			14,366			2,729			1,540
(Losses) gains on sales of assets, net		(268	)		678			(1,010	)		11,547
Other non-interest income		14,748			18,079			18,431			17,166
Non-interest expense		95,439			95,346			94,461			96,092
Income before income taxes		44,124			44,883			34,264			55,669
Income tax expense		12,814			10,961			7,143			16,061
Net income		31,310			33,922			27,121			39,608
Earnings per common share:
Basic	$	0.16		$	0.17		$	0.14		$	0.20
Diluted		0.16			0.17		$	0.14			0.20
Cash dividends declared per common share		0.16			0.16			0.16			0.11
Average common shares outstanding:
Basic		198,924,995			199,244,243			199,445,874			199,613,524
Diluted		198,924,995			199,244,243			199,445,874			199,613,524

	Quarters Ended 2012
	March 31			June 30			September 30			December 31
	(in thousands, except for share data)
Interest income	$	174,136		$	166,858		$	167,230		$	162,969
Interest expense		46,677			44,787			45,408			44,440
Net interest income		127,459			122,071			121,822			118,529
Provision for credit losses		5,697			7,405			7,250			5,200
Non-interest income:
(Losses) gains on securities transactions, net		(157	)		1,204			1,496			44
Net impairment losses on securities recognized in earnings		—			(550	)		(4,697	)		—
Trading (losses) gains, net		(988	)		1,609			6			2,166
Gains on sales of loans, net		3,166			3,141			25,055			15,636
Other non-interest income		20,574			18,626			18,636			15,979
Non-interest expense		94,548			91,510			93,219			95,623
Income before income taxes		49,809			47,186			61,849			51,531
Income tax expense		15,278			14,366			22,402			14,702
Net income		34,531			32,820			39,447			36,829
Earnings per common share:
Basic	$	0.18		$	0.17		$	0.20		$	0.19
Diluted		0.18			0.17			0.20			0.19
Cash dividends declared per common share		0.16			0.16			0.16			0.16
Average common shares outstanding:
Basic		196,930,733			197,246,322			197,437,988			197,795,817
Diluted		196,961,915			197,250,168			197,437,988			197,795,817