Business Segments (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Selected business segment financial information

Selected business segment financial information as of and for the three months endedMarch 31, 2014 and 2013 were as follows:

(dollars in thousands)	Retail Banking			Commercial Banking			Investment Services			Treasury and Other			Consolidated Total
Three Months Ended March 31, 2014
Net Interest Income	$	42,568		$	26,771		$	2,582		$	21,312		$	93,233
Provision for Credit Losses	1,456			(61		)	(68		)	(1,327		)	—
Net Interest Income After Provision for Credit Losses	41,112			26,832			2,650			22,639			93,233
Noninterest Income	19,492			6,088			14,343			4,845			44,768
Noninterest Expense	(49,747		)	(16,767		)	(14,235		)	(2,798		)	(83,547		)
Income Before Provision for Income Taxes	10,857			16,153			2,758			24,686			54,454
Provision for Income Taxes	(4,017		)	(5,514		)	(1,020		)	(5,311		)	(15,862		)
Net Income	$	6,840		$	10,639		$	1,738		$	19,375		$	38,592
Total Assets as of March 31, 2014	$	3,717,269		$	2,475,163		$	183,381		$	7,887,305		$	14,263,118
Three Months Ended March 31, 2013
Net Interest Income	$	40,703		$	24,983		$	2,771		$	20,103		$	88,560
Provision for Credit Losses	2,612			(604		)	(21		)	(1,987		)	—
Net Interest Income After Provision for Credit Losses	38,091			25,587			2,792			22,090			88,560
Noninterest Income	22,924			6,960			14,810			3,084			47,778
Noninterest Expense	(50,857		)	(16,512		)	(14,183		)	(2,835		)	(84,387		)
Income Before Provision for Income Taxes	10,158			16,035			3,419			22,339			51,951
Provision for Income Taxes	(3,759		)	(5,478		)	(1,265		)	(5,469		)	(15,971		)
Net Income	$	6,399		$	10,557		$	2,154		$	16,870		$	35,980
Total Assets as of March 31, 2013	$	3,563,313		$	2,193,088		$	188,662		$	7,580,604		$	13,525,667