Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2018

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Rollforward Of The Allowance For Loan Losses By Portfolio Segment

The following table provides a rollforward of the allowance for loan losses by portfolio segment for the three months ended March 31, 2018 and 2017:

(Dollars in thousands)	C&I			Commercial Real Estate			Consumer Real Estate			Permanent Mortgage			Credit Card and Other			Total
Balance as of January 1, 2018	$	98,211		$	28,427		$	37,371		$	15,565		$	9,981		$	189,555
Charge-offs	(2,075		)	(44		)	(1,911		)	(160		)	(4,293		)	(8,483		)
Recoveries	1,519			6			4,383			65			1,149			7,122
Provision/(provision credit) for loan losses	2,583			668			(7,093		)	(35		)	2,877			(1,000		)
Balance as of March 31, 2018	100,238			29,057			32,750			15,435			9,714			187,194
Allowance - individually evaluated for impairment	4,555			—			23,049			11,311			359			39,274
Allowance - collectively evaluated for impairment	93,603			28,869			9,426			4,124			9,343			145,365
Allowance - purchased credit-impaired loans	2,080			188			275			—			12			2,555
Loans, net of unearned as of March 31, 2018:
Individually evaluated for impairment	40,758			2,077			124,975			81,090			702			249,602
Collectively evaluated for impairment	15,705,895			4,201,220			6,085,482			298,598			556,189			26,847,384
Purchased credit-impaired loans	81,655			31,138			36,095			—			3,919			152,807
Total loans, net of unearned income	$	15,828,308		$	4,234,435		$	6,246,552		$	379,688		$	560,810		$	27,249,793
Balance as of January 1, 2017	$	89,398		$	33,852		$	50,357		$	16,289		$	12,172		$	202,068
Charge-offs	(600		)	—			(3,849		)	(483		)	(3,481		)	(8,413		)
Recoveries	1,676			221			5,676			903			837			9,313
Provision/(provision credit) for loan losses	2,633			(3,185		)	(2,504		)	(816		)	2,872			(1,000		)
Balance as of March 31, 2017	93,107			30,888			49,680			15,893			12,400			201,968
Allowance - individually evaluated for impairment	3,775			192			28,701			11,532			122			44,322
Allowance - collectively evaluated for impairment	89,142			30,646			20,629			4,361			12,278			157,056
Allowance - purchased credit-impaired loans	190			50			350			—			—			590
Loans, net of unearned as of March 31, 2017:
Individually evaluated for impairment	44,970			3,096			146,472			88,743			269			283,550
Collectively evaluated for impairment	11,620,748			2,166,069			4,308,917			320,492			346,399			18,762,625
Purchased credit-impaired loans	38,278			4,146			1,422			—			53			43,899
Total loans, net of unearned income	$	11,703,996		$	2,173,311		$	4,456,811		$	409,235		$	346,721		$	19,090,074