Loans (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of Non-Covered and Covered Loans

Loans consist of the following at December 31:




(Dollars in thousands)	2017		2016
Commercial loans:
Real estate - construction	$	1,240,396	$	802,242
Real estate - owner-occupied	2,529,885		2,277,749
Real estate - non-owner-occupied	5,167,949		3,766,558
Commercial and industrial	5,135,067		4,060,032
	14,073,297		10,906,581

Residential mortgage loans:	3,056,352		1,267,400

Consumer loans:
Home equity	2,292,275		2,155,926
Indirect automobile	62,693		131,052
Credit card	96,368		82,992
Other	497,196		521,020
	2,948,532		2,890,990
Total	$	20,078,181	$	15,064,971

Schedule of Aging of Loans

The following tables provide an analysis of the aging of loans as of December 31, 2017 and 2016. Past due and non-accrual loan amounts exclude acquired impaired loans, even if contractually past due or if the Company does not expect to receive payment in full, as the Company is currently accreting interest income over the expected life of the loans.



	December 31, 2017
	Accruing
(Dollars in thousands)	Current or Less Than 30 days past due		30-59 days		60-89 days		> 90 days		Total Past Due		Non-accrual Loans		Acquired Impaired Loans		Total Loans
Commercial real estate - construction	$	1,197,766	$	269	$	—	$	458	$	727	$	2,635	$	39,268	$	1,240,396
Real estate - owner-occupied	2,398,487		1,631		659		74		2,364		24,457		104,577		2,529,885
Real estate - non-owner-occupied	5,066,084		2,086		6,405		887		9,378		6,811		85,676		5,167,949
Commercial and industrial	5,014,438		5,788		5,726		146		11,660		77,823		31,146		5,135,067
Residential mortgage	2,877,048		10,083		8,136		5,317		23,536		17,387		138,381		3,056,352
Consumer - home equity	2,186,554		11,675		2,947		18		14,640		12,365		78,716		2,292,275
Consumer - indirect automobile	59,830		1,796		177		—		1,973		884		6		62,693
Consumer - credit card	95,264		140		374		—		514		590		—		96,368
Consumer - other	487,150		3,350		475		—		3,825		2,436		3,785		497,196
Total	$	19,382,621	$	36,818	$	24,899	$	6,900	$	68,617	$	145,388	$	481,555	$	20,078,181



	December 31, 2016
	Accruing
(Dollars in thousands)	Current or Less Than 30 days past due		30-59 days		60-89 days		> 90 days		Total Past Due		Non-accrual Loans		Acquired Impaired Loans		Total Loans
Commercial real estate - construction	$	767,305	$	—	$	—	$	—	$	—	$	1,946	$	32,991	$	802,242
Real estate - owner-occupied	2,123,014		1,452		1,712		—		3,164		25,950		125,621		2,277,749
Real estate - non-owner-occupied	3,633,472		1,123		224		32		1,379		9,651		122,056		3,766,558
Commercial and industrial	3,857,375		4,071		920		—		4,991		164,934		32,732		4,060,032
Residential mortgage	1,124,463		2,334		2,565		1,353		6,252		13,733		122,952		1,267,400
Consumer - home equity	2,050,204		6,314		1,615		—		7,929		9,374		88,419		2,155,926
Consumer - indirect automobile	127,054		2,551		405		—		2,956		1,038		4		131,052
Consumer - credit card	82,070		199		99		—		298		624		—		82,992
Consumer - other	511,105		2,538		714		—		3,252		1,252		5,411		521,020
Total	$	14,276,062	$	20,582	$	8,254	$	1,385	$	30,221	$	228,502	$	530,186	$	15,064,971

Schedule of Carrying Amount of Loans Acquired

The tables below show the balances acquired during 2017 for these two subsections of the acquired portfolio as of the acquisition date. These amounts are subject to change due to the finalization of purchase accounting adjustments.



(Dollars in thousands)	Acquired Non-Impaired Loans
Contractually required principal and interest at acquisition	$	4,914,185
Expected losses and foregone interest	(54,226		)
Cash flows expected to be collected at acquisition	4,859,959
Fair value of acquired loans at acquisition	$	3,960,308



(Dollars in thousands)	Acquired Impaired Loans
Contractually required principal and interest at acquisition	$	111,114
Non-accretable difference (expected losses and foregone interest)	(12,245		)
Cash flows expected to be collected at acquisition	98,869
Accretable yield	(32,937		)
Basis in acquired loans at acquisition	$	65,932

Summary of Changes in Accretable Yields of Acquired Loans

The following is a summary of changes in the accretable difference for all loans accounted for under ASC 310-30 during the years ended December 31:



(Dollars in thousands)	2017			2016			2015
Balance at beginning of period	$	175,054		$	227,502		$	287,651
Additions	32,937			—			6,823
Transfers from non-accretable difference to accretable yield	4,912			5,490			9,916
Accretion	(56,337		)	(68,211		)	(80,479		)
Changes in expected cash flows not affecting non-accretable differences⁽¹⁾	(3,943		)	10,273			3,591
Balance at end of period	$	152,623		$	175,054		$	227,502


⁽¹⁾	Includes changes in cash flows expected to be collected due to the impact of changes in actual or expected timing of liquidation events, modifications, changes in interest rates and changes in prepayment assumptions.

Schedule of Modified TDRs

The following table provides information on how the TDRs were modified during the years ended December 31:



(Dollars in thousands)	2017		2016		2015
Extended maturities	$	26,561	$	75,315	$	15,594
Interest rate adjustment	24		193		—
Maturity and interest rate adjustment	4,932		2,470		23,374
Movement to or extension of interest-rate only payments	4,161		27,931		241
Forbearance	7,226		76,819		122
Other concession(s) ⁽¹⁾	27,555		39,708		17,710
Total	$	70,459	$	222,436	$	57,041


⁽¹⁾	Other concessions may include covenant waivers, forgiveness of principal or interest associated with a customer bankruptcy, or a combination of any of the above concessions.

Schedule of Subsequently Defaulted TDRs

The following table presents the end of period balance for loans modified in a TDR during the years ended December 31:



	2017					2016					2015
(In thousands, except number of loans)	Number of Loans	Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment		Number of Loans	Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment		Number of Loans	Pre-modification Outstanding Recorded Investment		Post-modification Outstanding Recorded Investment
Commercial real estate - construction	4	$	9,404	$	9,628	3	$	3,024	$	3,035	—	$	—	$	—
Commercial real estate - owner-occupied	11	5,779		5,706		20	18,223		18,239		6	15,403		13,889
Commercial real estate - non-owner-occupied	19	11,974		13,738		25	16,644		10,093		5	11,361		11,361
Commercial and industrial	57	21,651		20,883		79	163,265		169,893		28	31,030		27,598
Residential mortgage	24	1,897		1,771		43	5,141		4,946		1	70		68
Consumer - home equity	123	16,346		15,862		158	13,273		12,568		50	4,440		3,865
Consumer - indirect	43	511		371		79	983		792		6	79		79
Consumer - other	78	2,671		2,500		116	3,087		2,870		17	248		181
Total	359	$	70,233	$	70,459	523	$	223,640	$	222,436	113	$	62,631	$	57,041

Information detailing TDRs that defaulted during the years ended December 31, 2017, 2016, and 2015 and were modified in the previous twelve months (i.e., the twelve months prior to the default) is presented in the following table. The Company has defined a default as any loan with a loan payment that is currently past due greater than 30 days, or was past due greater than 30 days at any point during the previous twelve months, or since the date of modification, whichever is shorter.



	2017			2016			2015
(In thousands, except number of loans)	Number of Loans	Recorded Investment		Number of Loans	Recorded Investment		Number of Loans	Recorded Investment
Commercial real estate - construction	2	$	3,572	1	$	116	—	$	—
Commercial real estate - owner-occupied	6	4,668		3	3,473		2	10,956
Commercial real estate - non-owner-occupied	13	8,060		6	201		4	11,119
Commercial and industrial	32	6,550		22	14,707		21	12,090
Residential mortgage	16	1,218		8	405		—	—
Consumer - home equity	32	3,285		25	1,379		20	1,547
Consumer - indirect	33	323		37	338		6	79
Consumer - other	29	1,058		22	606		9	2
Total	163	$	28,734	124	$	21,225	62	$	35,793