Allowance for Credit Losses (Tables)

12 Months Ended

Dec. 31, 2013

Receivables [Abstract]

Progression of Allowance for Credit Losses Including Allowance for Credit Losses and Reserve for Lending-Related Commitments

A progression of the allowance for credit losses, which includes the allowance for credit losses and the reserve for lending-related commitments, for the periods presented is summarized as follows:

	Year Ended December 31
(In thousands)	2013		2012		2011
Balance at beginning of period	$	75,557	$	75,727	$	75,039
Provision for credit losses		19,754		17,665		16,988
		95,311		93,392		92,027
Loans charged off		21,006		20,555		19,605
Less recoveries		2,036		2,720		3,305
Net charge-offs		18,970		17,835		16,300
Balance at end of period	$	76,341	$	75,557	$	75,727

Schedule of Allowance for Loan Losses and Carrying Amount of Loans

A progression of the allowance for loan losses, by portfolio segment, for the year ended December 31, 2013 and 2012 is summarized as follows:

Allowance for Loan Losses and Carrying Amount of Loans For the Year Ended December 31, 2013
(In thousands)	Commercial Real Estate					Other Commercial		Residential Real Estate		Construction & Land Development		Consumer		Allowance for Estimated Imprecision			Total
	Owner- occupied		Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	3,877	$	12,876		$	20,511	$	14,895	$	18,858	$	2,620	$	264		$	73,901
Charge-offs		5,344		1,164			7,699		4,111		896		1,792		0			21,006
Recoveries		150		56			641		698		73		418		0			2,036
Provision		6,970		(2,776	)		7,464		5,212		918		1,699		(220	)		19,267
Ending balance	$	5,653	$	8,992		$	20,917	$	16,694	$	18,953	$	2,945	$	44		$	74,198
Ending Balance: individually evaluated for impairment	$	638	$	1,631		$	2,192	$	4,112	$	3,752	$	152	$	0		$	12,477
Ending Balance: collectively evaluated for impairment	$	5,015	$	7,361		$	18,725	$	12,582	$	15,201	$	2,793	$	44		$	61,721
Ending Balance: loans acquired with deteriorated credit quality	$	0	$	0		$	0	$	0	$	0	$	0	$	0		$	0
Financing receivables:
Ending balance	$	654,963	$	1,917,785		$	1,338,355	$	1,821,378	$	670,364	$	310,754	$	0		$	6,713,599
Ending Balance: individually evaluated for impairment	$	7,157	$	13,913		$	22,327	$	16,160	$	21,593	$	152	$	0		$	81,302
Ending Balance: collectively evaluated for impairment	$	646,548	$	1,894,421		$	1,314,543	$	1,802,686	$	632,407	$	310,593	$	0		$	6,601,198
Ending Balance: loans acquired with deteriorated credit quality	$	1,258	$	9,451		$	1,485	$	2,532	$	16,364	$	9	$	0		$	31,099

Allowance for Loan Losses and Carrying Amount of Loans For the Year Ended December 31, 2012
(In thousands)	Commercial Real Estate				Other Commercial		Residential Real Estate		Construction & Land Development		Consumer		Allowance for Estimated Imprecision			Total
	Owner- occupied		Nonowner- occupied
Allowance for Loan Losses:
Beginning balance	$	3,670	$	11,647	$	20,803	$	13,880	$	19,151	$	2,151	$	2,572		$	73,874
Charge-offs		801		2,608		3,619		8,882		3,099		1,546		0			20,555
Recoveries		60		122		1,362		821		54		301		0			2,720
Provision		948		3,715		1,965		9,076		2,752		1,714		(2,308	)		17,862
Ending balance	$	3,877	$	12,876	$	20,511	$	14,895	$	18,858	$	2,620	$	264		$	73,901
Ending Balance: individually evaluated for impairment	$	417	$	1,154	$	7,564	$	996	$	3,659	$	0	$	0		$	13,790
Ending Balance: collectively evaluated for impairment	$	3,460	$	11,722	$	12,947	$	13,899	$	15,199	$	2,620	$	264		$	60,111
Ending Balance: loans acquired with deteriorated credit quality	$	0	$	0	$	0	$	0	$	0	$	0	$	0		$	0
Financing receivables:
Ending balance	$	728,906	$	1,740,420	$	1,377,083	$	1,838,252	$	550,677	$	282,442	$	0		$	6,517,780
Ending Balance: individually evaluated for impairment	$	14,474	$	12,101	$	28,997	$	8,541	$	17,827	$	0	$	0		$	81,940
Ending Balance: collectively evaluated for impairment	$	712,776	$	1,718,913	$	1,346,600	$	1,826,196	$	515,718	$	282,431	$	0		$	6,402,634
Ending Balance: loans acquired with deteriorated credit quality	$	1,656	$	9,406	$	1,486	$	3,515	$	17,132	$	11	$	0		$	33,206