Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Summary of Changes in Allowance for Credit Losses by Loan and Lease Class

Following is a summary of changes in the allowance for credit losses, by loan and lease class:

	Balance at Beginning of Period		Charge- Offs			Recoveries		Net Charge- Offs			Provision for credit losses			Balance at End of Period
Three Months Ended March 31, 2015
Commercial real estate	$	37,588	$	(1,001	)	$	209	$	(792	)	$	1,996		$	38,792
Commercial and industrial		32,645		(684	)		120		(564	)		722			32,803
Commercial leases		2,398		(93	)		10		(83	)		261			2,576
Total commercial loans and leases		72,631		(1,778	)		339		(1,439	)		2,979			74,171
Direct installment		20,538		(2,433	)		269		(2,164	)		2,830			21,204
Residential mortgages		8,024		(511	)		15		(496	)		943			8,471
Indirect installment		7,504		(1,280	)		302		(978	)		1,131			7,657
Consumer lines of credit		8,496		(410	)		40		(370	)		764			8,890
Other		759		(335	)		11		(324	)		419			854
Total allowance on originated loans and leases		117,952		(6,747	)		976		(5,771	)		9,066			121,247
Purchased credit-impaired loans		660		(64	)		19		(45	)		6			621
Other acquired loans		7,314		(77	)		330		253			(936	)		6,631
Total allowance on acquired loans		7,974		(141	)		349		208			(930	)		7,252
Total allowance	$	125,926	$	(6,888	)	$	1,325	$	(5,563	)	$	8,136		$	128,499
Three Months Ended March 31, 2014
Commercial real estate	$	32,548	$	(2,223	)	$	299	$	(1,924	)	$	7,910		$	38,534
Commercial and industrial		32,603		(513	)		370		(143	)		(2,489	)		29,971
Commercial leases		1,903		(87	)		29		(58	)		99			1,944
Total commercial loans and leases		67,054		(2,823	)		698		(2,125	)		5,520			70,449
Direct installment		17,824		(2,521	)		267		(2,254	)		1,060			16,630
Residential mortgages		5,836		(132	)		4		(128	)		(401	)		5,307
Indirect installment		6,409		(802	)		217		(585	)		676			6,500
Consumer lines of credit		7,231		(323	)		55		(268	)		695			7,658
Other		530		(262	)		5		(257	)		306			579
Total allowance on originated loans and leases		104,884		(6,863	)		1,246		(5,617	)		7,856			107,123
Purchased credit-impaired loans		1,000		(249	)		—		(249	)		(43	)		708
Other acquired loans		4,900		9			286		295			(807	)		4,388
Total allowance on acquired loans		5,900		(240	)		286		46			(850	)		5,096
Total allowance	$	110,784	$	(7,103	)	$	1,532	$	(5,571	)	$	7,006		$	112,219

Summary of Individual and Collective Allowance for Credit Losses and Loan and Lease Balances by Class

Following is a summary of the individual and collective originated allowance for credit losses and corresponding loan and lease balances by class:

	Allowance				Loans and Leases Outstanding
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Loans and Leases		Individually Evaluated for Impairment		Collectively Evaluated for Impairment
March 31, 2015
Commercial real estate	$	735	$	38,057	$	3,082,385	$	12,865	$	3,069,520
Commercial and industrial		1,446		31,357		2,281,075		5,711		2,275,364
Commercial leases		—		2,576		180,207		—		180,207
Total commercial loans and leases		2,181		71,990		5,543,667		18,576		5,525,091
Direct installment		—		21,204		1,594,846		—		1,594,846
Residential mortgages		—		8,471		877,437		—		877,437
Indirect installment		—		7,657		903,780		—		903,780
Consumer lines of credit		—		8,890		953,569		—		953,569
Other		—		854		42,632		—		42,632
	$	2,181	$	119,066	$	9,915,931	$	18,576	$	9,897,355
December 31, 2014
Commercial real estate	$	399	$	37,189	$	3,031,810	$	13,952	$	3,017,858
Commercial and industrial		780		31,865		2,197,793		5,837		2,191,956
Commercial leases		—		2,398		177,824		—		177,824
Total commercial loans and leases		1,179		71,452		5,407,427		19,789		5,387,638
Direct installment		—		20,538		1,579,770		—		1,579,770
Residential mortgages		—		8,024		817,586		—		817,586
Indirect installment		—		7,504		873,645		—		873,645
Consumer lines of credit		—		8,496		946,427		—		946,427
Other		—		759		41,290		—		41,290
	$	1,179	$	116,773	$	9,666,145	$	19,789	$	9,646,356