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Loans and Allowance for Credit Losses
 6 Months Ended
Jun. 30, 2019
Receivables [Abstract]  
Loans and Allowance for Credit Losses Loans and Leases and Allowance for Credit Losses

Loans and Leases, Net of Unearned Income

Loans and leases, net of unearned income are summarized as follows:
 
June 30,
2019
 
December 31, 2018
 
(in thousands)
Real-estate - commercial mortgage
$
6,497,973

 
$
6,434,285

Commercial - industrial, financial and agricultural
4,365,248

 
4,404,548

Real estate - residential mortgage
2,451,966

 
2,251,044

Real estate - home equity
1,386,974

 
1,452,137

Real estate - construction
922,547

 
916,599

Consumer
452,874

 
419,186

Equipment lease financing and other
314,901

 
311,866

Overdrafts
3,187

 
2,774

Loans and leases, gross of unearned income
16,395,670

 
16,192,439

Unearned income
(27,212
)
 
(26,639
)
Loans and leases, net of unearned income
$
16,368,458

 
$
16,165,800



The Corporation segments its loan and lease portfolio by general loan type, or "portfolio segments," as presented in the table under the heading, "Loans and Leases, Net of Unearned Income," above. Certain portfolio segments are further disaggregated and evaluated collectively for impairment based on "class segments," which are largely based on the type of collateral underlying each loan. Commercial loans include both secured and unsecured loans. Construction loans include loans secured by commercial real estate, loans to commercial borrowers secured by residential real estate and loans to individuals secured by residential real estate. Consumer loans include direct consumer installment loans and indirect vehicle loans.

Allowance for Credit Losses

The allowance for credit losses consists of the allowance for loan and lease losses and the reserve for unfunded lending commitments. The allowance for loan and lease losses represents management’s estimate of incurred losses in the loan and lease portfolio as of the balance sheet date and is recorded as a reduction to loans and leases. The reserve for unfunded lending commitments represents management’s estimate of incurred losses in its unfunded loan commitments and other off balance sheet credit exposures, such as letters of credit, and is recorded in other liabilities on the consolidated balance sheets. The allowance for credit losses is increased by charges to expense, through the provision for credit losses, and decreased by charge-offs, net of recoveries.

The Corporation’s allowance for credit losses includes: (1) specific allowances allocated to loans and leases individually evaluated for impairment (FASB ASC Section 310-10-35); and (2) allowances calculated for pools of loans and leases collectively evaluated for impairment (FASB ASC Subtopic 450-20).

The following table presents the components of the allowance for credit losses:
 
June 30,
2019
 
December 31,
2018
 
(in thousands)
Allowance for loan and lease losses
$
170,233

 
$
160,537

Reserve for unfunded lending commitments
6,708

 
8,873

Allowance for credit losses
$
176,941

 
$
169,410







The following table presents the activity in the allowance for credit losses:
 
Three months ended June 30
 
Six months ended June 30
 
2019
 
2018
 
2019
 
2018
 
(in thousands)
Balance at beginning of period
$
170,372

 
$
176,019

 
$
169,410

 
$
176,084

Loans and leases charged off
(3,711
)
 
(42,160
)
 
(10,080
)
 
(48,557
)
Recoveries of loans and leases previously charged off
5,255

 
2,271

 
7,486

 
4,633

Net loans and leases recovered (charged off)
1,544

 
(39,889
)
 
(2,594
)
 
(43,924
)
Provision for credit losses
5,025

 
33,117

 
10,125

 
37,087

Balance at end of period
$
176,941

 
$
169,247

 
$
176,941

 
$
169,247


The following table presents the activity in the allowance for loan and lease losses by portfolio segment:
 
Real Estate -
Commercial
Mortgage
 
Commercial -
Industrial,
Financial and
Agricultural
 
Real Estate -
Home
Equity
 
Real Estate -
Residential
Mortgage
 
Real Estate -
Construction
 
Consumer
 
Equipment lease financing, other
and overdrafts
 
Total
 
(in thousands)
Three months ended June 30, 2019
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at March 31, 2019
$
51,946

 
$
60,501

 
$
19,215

 
$
19,146

 
$
4,941

 
$
3,319

 
$
3,041

 
$
162,109

Loans and leases charged off
(230
)
 
(1,895
)
 
(206
)
 
(134
)
 
(3
)
 
(795
)
 
(448
)
 
(3,711
)
Recoveries of loans and leases previously charged off
169

 
2,680

 
223

 
211

 
1,245

 
579

 
148

 
5,255

Net loans and leases (charged off) recovered
(61
)
 
785

 
17

 
77

 
1,242

 
(216
)
 
(300
)
 
1,544

Provision for loan and lease losses (1)
2,974

 
5,055

 
(251
)
 
(331
)
 
(1,255
)
 
260

 
128

 
6,580

Balance at June 30, 2019
$
54,859

 
$
66,341

 
$
18,981

 
$
18,892

 
$
4,928

 
$
3,363

 
$
2,869

 
$
170,233

Three months ended June 30, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at March 31, 2018
$
58,717

 
$
61,830

 
$
17,528

 
$
15,261

 
$
5,924

 
$
1,903

 
$
2,054

 
$
163,217

Loans and leases charged off
(366
)
 
(38,632
)
 
(816
)
 
(483
)
 
(606
)
 
(712
)
 
(545
)
 
(42,160
)
Recoveries of loans and leases previously charged off
321

 
541

 
271

 
96

 
444

 
446

 
152

 
2,271

Net loans and leases charged off
(45
)
 
(38,091
)
 
(545
)
 
(387
)
 
(162
)
 
(266
)
 
(393
)
 
(39,889
)
Provision for loan and lease losses (1)
(2,089
)
 
35,306

 
(736
)
 
(370
)
 
226

 
62

 
323

 
32,722

Balance at June 30, 2018
$
56,583

 
$
59,045

 
$
16,247

 
$
14,504

 
$
5,988

 
$
1,699

 
$
1,984

 
$
156,050

Six months ended June 30, 2019
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2018
$
52,889

 
$
58,868

 
$
18,911

 
$
18,921

 
$
5,061

 
$
3,217

 
$
2,670

 
$
160,537

Loans and leases charged off
(1,375
)
 
(4,682
)
 
(425
)
 
(789
)
 
(98
)
 
(1,478
)
 
(1,233
)
 
(10,080
)
Recoveries of loans and leases previously charged off
305

 
3,923

 
420

 
343

 
1,329

 
789

 
377

 
7,486

Net loans and leases (charged off) recovered
(1,070
)
 
(759
)
 
(5
)
 
(446
)
 
1,231

 
(689
)
 
(856
)
 
(2,594
)
Provision for loan losses (1)
3,040

 
8,232

 
75

 
417

 
(1,364
)
 
835

 
1,055

 
12,290

Balance at June 30, 2019
$
54,859

 
$
66,341

 
$
18,981

 
$
18,892

 
$
4,928

 
$
3,363

 
$
2,869

 
$
170,233

Six months ended June 30, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2017
$
58,793

 
$
66,280

 
$
18,127

 
$
16,088

 
$
6,620

 
$
2,045

 
$
1,957

 
$
169,910

Loans and leases charged off
(633
)
 
(42,637
)
 
(1,224
)
 
(645
)
 
(764
)
 
(1,604
)
 
(1,050
)
 
(48,557
)
Recoveries of loans and leases previously charged off
600

 
1,616

 
477

 
203

 
750

 
625

 
362

 
4,633

Net loans and leases charged off
(33
)
 
(41,021
)
 
(747
)
 
(442
)
 
(14
)
 
(979
)
 
(688
)
 
(43,924
)
Provision for loan losses (1)
(2,177
)
 
33,786

 
(1,133
)
 
(1,142
)
 
(618
)
 
633

 
715

 
30,064

Balance at June 30, 2018
$
56,583

 
$
59,045

 
$
16,247

 
$
14,504

 
$
5,988

 
$
1,699

 
$
1,984

 
$
156,050


(1)
The provision for loan and lease losses excluded a $1.6 million and a $2.2 million decrease in the reserve for unfunded lending commitments for the three and six months ended June 30, 2019, respectively, and a $395,000 and a $7.0 million increase in the reserve for unfunded lending commitments for the three and six months ended June 30, 2018, respectively.

The following table presents loans and leases, net of unearned income and their related allowance for loan and lease losses, by portfolio segment:
 
Real Estate -
Commercial
Mortgage
 
Commercial -
Industrial,
Financial and
Agricultural
 
Real Estate -
Home
Equity
 
Real Estate -
Residential
Mortgage
 
Real Estate -
Construction
 
Consumer
 
Equipment lease financing, other and
overdrafts
 
Total
 
(in thousands)
Allowance for loan and lease losses at June 30, 2019:
 
 
 
 
 
 
 
 
 
 
 
 
Collectively evaluated for impairment
$
45,367

 
$
53,985

 
$
8,463

 
$
9,913

 
$
4,399

 
$
3,356

 
$
2,869

 
$
128,352

Individually evaluated for impairment
9,492

 
12,356

 
10,518

 
8,979

 
529

 
7

 
—

 
41,881

 
$
54,859

 
$
66,341

 
$
18,981

 
$
18,892

 
$
4,928

 
$
3,363

 
$
2,869

 
$
170,233

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Loans and leases, net of unearned income at June 30, 2019:
 
 
 
 
 
 
 
 
 
 
 
 
Collectively evaluated for impairment
$
6,438,080

 
$
4,313,666

 
$
1,363,392

 
$
2,414,627

 
$
918,380

 
$
452,865

 
$
273,118

 
$
16,174,128

Individually evaluated for impairment
59,893

 
51,582

 
23,582

 
37,339

 
4,167

 
9

 
17,758

 
194,330

 
$
6,497,973

 
$
4,365,248

 
$
1,386,974

 
$
2,451,966

 
$
922,547

 
$
452,874

 
$
290,876

 
$
16,368,458

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Allowance for loan and lease losses at June 30, 2018:
 
 
 
 
 
 
 
 
 
 
 
 
Collectively evaluated for impairment
$
48,489

 
$
49,354

 
$
5,093

 
$
5,171

 
$
5,338

 
$
1,691

 
$
1,984

 
$
117,120

Individually evaluated for impairment
8,094

 
9,691

 
11,154

 
9,333

 
650

 
8

 
—

 
38,930

 
$
56,583

 
$
59,045

 
$
16,247

 
$
14,504

 
$
5,988

 
$
1,699

 
$
1,984

 
$
156,050

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Loans and leases, net of unearned income at June 30, 2018:
 
 
 
 
 
 
 
 
 
 
 
 
Collectively evaluated for impairment
$
6,252,747

 
$
4,209,786

 
$
1,466,393

 
$
2,055,206

 
$
981,584

 
$
360,304

 
$
286,947

 
$
15,612,967

Individually evaluated for impairment
51,728

 
54,816

 
25,002

 
39,324

 
9,121

 
11

 
—

 
180,002

 
$
6,304,475

 
$
4,264,602

 
$
1,491,395

 
$
2,094,530

 
$
990,705

 
$
360,315

 
$
286,947

 
$
15,792,969



Impaired Loans and Leases

A loan or lease is considered to be impaired if it is probable that all amounts will not be collected according to the contractual terms of the loan or lease agreement. Impaired loans and leases consist of all loans and leases on non-accrual status and accruing troubled debt restructurings ("TDRs"). An allowance for loan and lease losses is established for an impaired loan or lease if its carrying value exceeds its estimated fair value. Impaired loans and leases to borrowers with total commitments greater than or equal to $1.0 million are evaluated individually for impairment. Impaired loans and leases to borrowers with total commitments less than $1.0 million are pooled and measured for impairment collectively.

All loans and leases individually evaluated for impairment are measured for losses on a quarterly basis. As of June 30, 2019 and December 31, 2018, substantially all of the Corporation’s individually evaluated impaired loans and leases with total commitments greater than or equal to $1.0 million were measured based on the estimated fair value of each loan’s collateral. Collateral could be in the form of real estate, in the case of impaired commercial mortgages and construction loans, or business assets, such as accounts receivable or inventory, in the case of commercial and industrial loans. Commercial and industrial loans may also be secured by real estate.

As of June 30, 2019 and December 31, 2018, approximately 84% and 89%, respectively, of impaired loans and leases with principal balances greater than or equal to $1.0 million, whose primary collateral is real estate, were measured at estimated fair value using appraisals performed by state certified third-party appraisers that had been updated in the preceding 12 months.

When updated appraisals are not obtained for loans and leases evaluated for impairment that are secured by real estate, fair values are estimated based on the original appraisal values, as long as the original appraisal indicated an acceptable loan-to-value position and, in the opinion of the Corporation's internal credit administration staff, there has not been a significant deterioration in the collateral value since the original appraisal was performed. Original appraisals are typically used only when the estimated collateral value, as adjusted for the age of the appraisal, results in a current loan-to-value ratio that is lower than the Corporation's loan-to-value requirements for new loans, generally less than 70%.



The following table presents total impaired loans and leases by class segment:
 
June 30, 2019
 
December 31, 2018
 
Unpaid
Principal
Balance
 
Recorded
Investment
 
Related
Allowance
 
Unpaid
Principal
Balance
 
Recorded
Investment
 
Related
Allowance
 
(in thousands)
With no related allowance recorded:
 
 
 
 
 
 
 
 
 
 
Real estate - commercial mortgage
$
32,406

 
$
30,574

 
$
—

 
$
25,095

 
$
23,481

 
$
—

Commercial
29,696

 
23,588

 
—

 
33,493

 
26,585

 
—

Real estate - residential mortgage
4,565

 
4,400

 
—

 
3,149

 
3,149

 
—

Construction
6,454

 
2,604

 
—

 
8,980

 
5,083

 
—

Equipment lease financing
17,758

 
17,758

 
—

 
19,269

 
19,268

 
—

 
90,879

 
78,924

 
—

 
89,986

 
77,566

 
—

With a related allowance recorded:
 
 
 
 
 
 
 
 
 
 
Real estate - commercial mortgage
40,435

 
29,319

 
9,492

 
29,005

 
22,592

 
7,255

Commercial
38,010

 
27,994

 
12,356

 
37,706

 
28,708

 
12,513

Real estate - residential mortgage
37,202

 
32,939

 
8,979

 
39,972

 
35,621

 
9,394

Real estate - home equity
26,712

 
23,582

 
10,518

 
26,599

 
23,373

 
10,370

Construction
5,112

 
1,563

 
529

 
5,984

 
2,307

 
793

Consumer
9

 
9

 
7

 
11

 
11

 
7

 
147,480

 
115,406

 
41,881

 
139,277

 
112,612

 
40,332

Total
$
238,359

 
$
194,330

 
$
41,881

 
$
229,263

 
$
190,178

 
$
40,332


As of June 30, 2019 and December 31, 2018, there were $78.9 million and $77.6 million, respectively, of impaired loans and leases that did not have a related allowance for loan and lease losses. The estimated fair values of the collateral securing these loans and leases exceeded their carrying amount, or the loans and leases were previously charged down to realizable collateral values. Accordingly, no specific valuation allowance was considered to be necessary.
The following table presents average impaired loans and leases by class segment:
 
Three months ended June 30
 
Six months ended June 30
 
2019
 
2018
 
2019
 
2018
 
Average
Recorded
Investment
 
Interest
Income (1)
 
Average
Recorded
Investment
 
Interest
Income (1)
 
Average
Recorded
Investment
 
Interest
Income (1)
 
Average
Recorded
Investment
 
Interest
Income (1)
 
(in thousands)
With no related allowance recorded:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Real estate - commercial mortgage
$
27,738

 
$
100

 
$
27,127

 
$
97

 
$
26,319

 
$
197

 
$
25,713

 
$
180

Commercial
25,238

 
32

 
33,644

 
69

 
25,686

 
62

 
35,612

 
142

Real estate - residential mortgage
3,764

 
23

 
3,870

 
24

 
3,559

 
43

 
4,105

 
51

Construction
3,814

 
—

 
7,528

 
—

 
4,237

 
—

 
7,718

 
—

Equipment lease financing, other and overdrafts
18,136

 
—

 
—

 
—

 
18,513

 
—

 
 
 
—

 
78,690

 
155

 
72,169

 
190

 
78,314

 
302

 
73,148

 
373

With a related allowance recorded:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Real estate - commercial mortgage
24,528

 
87

 
25,419

 
91

 
23,883

 
172

 
25,578

 
175

Commercial
28,485

 
36

 
26,120

 
54

 
28,558

 
69

 
25,471

 
97

Real estate - home equity
23,706

 
222

 
24,907

 
195

 
23,595

 
445

 
24,835

 
379

Real estate - residential mortgage
34,695

 
215

 
36,261

 
223

 
35,004

 
440

 
36,551

 
444

Construction
1,595

 
—

 
2,400

 
—

 
1,832

 
—

 
2,966

 
—

Consumer
10

 
—

 
18

 
—

 
10

 
—

 
20

 
—

 
113,019

 
560

 
115,125

 
563

 
112,882

 
1,126

 
115,421

 
1,095

Total
$
191,709

 
$
715

 
$
187,294

 
$
753

 
$
191,196

 
$
1,428

 
$
188,569

 
$
1,468

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(1)
All impaired loans, excluding accruing TDRs, were non-accrual loans. Interest income recognized for the three and six months ended June 30, 2019 and 2018 represents amounts earned on accruing TDRs.
Credit Quality Indicators and Non-performing Assets

The following is a summary of the Corporation's internal risk rating categories:

•
Pass: These loans do not currently pose undue credit risk and can range from the highest to average quality, depending on the degree of potential risk.
•
Special Mention: These loans have a heightened credit risk, but not to the point of justifying a classification of substandard. Loans in this category are currently acceptable, but are nevertheless potentially weak.
•
Substandard or Lower: These loans are inadequately protected by current sound worth and paying capacity of the borrower. There exists a well-defined weakness or weaknesses that jeopardize the normal repayment of the debt.

The risk rating process allows management to identify credits that potentially carry more risk in a timely manner and to allocate resources to managing troubled accounts. The Corporation believes that internal risk ratings are the most relevant credit quality indicator for the class segments presented in the preceding tables. The migration of loans through the various internal risk rating categories is a significant component of the allowance for credit loss methodology, which bases the probability of default on this migration. Assigning risk ratings involves judgment. The Corporation's loan review officers provide an independent assessment of risk rating accuracy. Ratings may be changed based on the ongoing monitoring procedures performed by loan officers or credit administration staff, or if specific loan review activities identify a deterioration or an improvement in the loan.

The following table presents internal credit risk ratings for the indicated loan class segments:
 
Pass
 
Special Mention
 
Substandard or Lower
 
Total
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
(dollars in thousands)
Real estate - commercial mortgage
$
6,173,883

 
$
6,129,463

 
$
162,425

 
$
170,827

 
$
161,665

 
$
133,995

 
$
6,497,973

 
$
6,434,285

Commercial - secured
3,835,171

 
3,902,484

 
182,569

 
193,470

 
171,856

 
129,026

 
4,189,596

 
4,224,980

Commercial - unsecured
168,311

 
171,589

 
4,972

 
4,016

 
2,369

 
3,963

 
175,652

 
179,568

Total commercial - industrial, financial and agricultural
4,003,482

 
4,074,073

 
187,541

 
197,486

 
174,225

 
132,989

 
4,365,248

 
4,404,548

Construction - commercial residential
109,168

 
104,079

 
3,082

 
6,912

 
3,959

 
6,881

 
116,209

 
117,872

Construction - commercial
725,556

 
723,030

 
731

 
1,163

 
3,197

 
2,533

 
729,484

 
726,726

Total construction (excluding Construction - other)
834,724

 
827,109

 
3,813

 
8,075

 
7,156

 
9,414

 
845,693

 
844,598

 
$
11,012,089

 
$
11,030,645

 
$
353,779

 
$
376,388

 
$
343,046

 
$
276,398

 
$
11,708,914

 
$
11,683,431

% of Total
94.1
%
 
94.4
%
 
3.0
%
 
3.2
%
 
2.9
%
 
2.4
%
 
100.0
%
 
100.0
%


The Corporation does not assign internal risk ratings to smaller balance, homogeneous loans and leases, such as home equity, residential mortgage, construction loans to individuals secured by residential real estate, consumer and leases. For these loans and leases, the most relevant credit quality indicator is delinquency status. The migration of loans and leases through the various delinquency status categories is a significant component of the allowance for credit losses methodology for those loans and leases, which bases the probability of default on this migration.

The following table presents a summary of performing, delinquent and non-performing loans and leases for the indicated class segments:
 
Performing
 
Delinquent (1)
 
Non-performing (2)
 
Total
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
June 30, 2019
 
December 31, 2018
 
(dollars in thousands)
Real estate - home equity
$
1,363,344

 
$
1,431,666

 
$
11,634

 
$
10,702

 
$
11,996

 
$
9,769

 
$
1,386,974

 
$
1,452,137

Real estate - residential mortgage
2,398,432

 
2,202,955

 
31,876

 
28,988

 
21,658

 
19,101

 
2,451,966

 
2,251,044

Construction - other
76,116

 
71,511

 
549

 
—

 
189

 
490

 
76,854

 
72,001

Consumer - direct
58,295

 
55,629

 
295

 
338

 
123

 
66

 
58,713

 
56,033

Consumer - indirect
390,394

 
359,405

 
3,508

 
3,405

 
259

 
343

 
394,161

 
363,153

Total consumer
448,689

 
415,034

 
3,803

 
3,743

 
382

 
409

 
452,874

 
419,186

Equipment lease financing, other and overdrafts
271,130

 
267,112

 
1,808

 
1,302

 
17,938

 
19,587

 
290,876

 
288,001

 
$
4,557,711

 
$
4,388,278

 
$
49,670

 
$
44,735

 
$
52,163

 
$
49,356

 
$
4,659,544

 
$
4,482,369

% of Total
97.8
%
 
97.9
%
 
1.1
%
 
1.0
%
 
1.1
%
 
1.1
%
 
100.0
%
 
100.0
%
(1)
Includes all accruing loans and leases 30 days to 89 days past due.
(2)
Includes all accruing loans and leases 90 days or more past due and all non-accrual loans and leases.
The following table presents non-performing assets:
 
June 30,
2019
 
December 31,
2018
 
(in thousands)
Non-accrual loans and leases
$
133,118

 
$
128,572

Loans and leases 90 days or more past due and still accruing
14,598

 
11,106

Total non-performing loans and leases
147,716

 
139,678

Other real estate owned (OREO)
7,241

 
10,518

Total non-performing assets
$
154,957

 
$
150,196



The following tables present past due status and non-accrual loans and leases by portfolio segment and class segment:
 
June 30, 2019
 
30-59
Days Past
Due
 
60-89
Days Past
Due
 
≥ 90 Days
Past Due
and
Accruing
 
Non-
accrual
 
Total ≥ 90
Days
 
Total Past
Due
 
Current
 
Total
 
(in thousands)
Real estate - commercial mortgage
$
16,620

 
$
2,059

 
$
637

 
$
43,213

 
$
43,850

 
$
62,529

 
$
6,435,444

 
$
6,497,973

Commercial - secured
8,480

 
1,923

 
1,422

 
45,114

 
46,536

 
56,939

 
4,132,657

 
4,189,596

Commercial - unsecured
592

 
136

 
—

 
723

 
723

 
1,451

 
174,201

 
175,652

Total commercial - industrial, financial and agricultural
9,072

 
2,059

 
1,422

 
45,837

 
47,259

 
58,390

 
4,306,858

 
4,365,248

Real estate - home equity
9,370

 
2,264

 
4,803

 
7,193

 
11,996

 
23,630

 
1,363,344

 
1,386,974

Real estate - residential mortgage
26,135

 
5,741

 
6,708

 
14,950

 
21,658

 
53,534

 
2,398,432

 
2,451,966

Construction - commercial residential
—

 
—

 
—

 
3,959

 
3,959

 
3,959

 
112,250

 
116,209

Construction - commercial
895

 
—

 
466

 
19

 
485

 
1,380

 
728,104

 
729,484

Construction - other
549

 
—

 
—

 
189

 
189

 
738

 
76,116

 
76,854

Total real estate - construction
1,444

 
—

 
466

 
4,167

 
4,633

 
6,077

 
916,470

 
922,547

Consumer - direct
205

 
90

 
123

 
—

 
123

 
418

 
58,295

 
58,713

Consumer - indirect
2,901

 
607

 
259

 
—

 
259

 
3,767

 
390,394

 
394,161

Total consumer
3,106

 
697

 
382

 
—

 
382

 
4,185

 
448,689

 
452,874

Equipment lease financing, other and overdrafts
1,365

 
443

 
180

 
17,758

 
17,938

 
19,746

 
271,130

 
290,876

       Total
$
67,112

 
$
13,263

 
$
14,598

 
$
133,118

 
$
147,716

 
$
228,091

 
$
16,140,367

 
$
16,368,458


 
December 31, 2018
 
30-59
Days Past
Due
 
60-89
Days Past
Due
 
≥ 90 Days
Past Due
and
Accruing
 
Non-
accrual
 
Total ≥ 90
Days
 
Total Past
Due
 
Current
 
Total
 
(in thousands)
Real estate - commercial mortgage
$
12,206

 
$
1,500

 
$
1,765

 
$
30,388

 
$
32,153

 
$
45,859

 
$
6,388,426

 
$
6,434,285

Commercial - secured
5,227

 
938

 
1,068

 
49,299

 
50,367

 
56,532

 
4,168,448

 
4,224,980

Commercial - unsecured
1,598

 
—

 
51

 
851

 
902

 
2,500

 
177,068

 
179,568

Total commercial - industrial, financial and agricultural
6,825

 
938

 
1,119

 
50,150

 
51,269

 
59,032

 
4,345,516

 
4,404,548

Real estate - home equity
7,144

 
3,558

 
3,061

 
6,708

 
9,769

 
20,471

 
1,431,666

 
1,452,137

Real estate - residential mortgage
20,796

 
8,192

 
4,433

 
14,668

 
19,101

 
48,089

 
2,202,955

 
2,251,044

Construction - commercial residential
2,489

 
—

 
—

 
6,881

 
6,881

 
9,370

 
108,502

 
117,872

Construction - commercial
—

 
—

 
—

 
19

 
19

 
19

 
726,707

 
726,726

Construction - other
—

 
—

 
—

 
490

 
490

 
490

 
71,511

 
72,001

Total real estate - construction
2,489

 
—

 
—

 
7,390

 
7,390

 
9,879

 
906,720

 
916,599

Consumer - direct
267

 
71

 
66

 
—

 
66

 
404

 
55,629

 
56,033

Consumer - indirect
2,908

 
497

 
343

 
—

 
343

 
3,748

 
359,405

 
363,153

Total consumer
3,175

 
568

 
409

 
—

 
409

 
4,152

 
415,034

 
419,186

Equipment lease financing, other and overdrafts
1,005

 
297

 
319

 
19,268

 
19,587

 
20,889

 
267,112

 
288,001

Total
$
53,640

 
$
15,053

 
$
11,106

 
$
128,572

 
$
139,678

 
$
208,371

 
$
15,957,429

 
$
16,165,800



The following table presents TDRs, by class segment:
 
June 30,
2019
 
December 31,
2018
 
(in thousands)
Real-estate - residential mortgage
$
22,389

 
$
24,102

Real estate - home equity
16,389

 
16,665

Real-estate - commercial mortgage
16,680

 
15,685

Commercial
5,744

 
5,143

Consumer
9

 
10

Total accruing TDRs
61,211

 
61,605

Non-accrual TDRs (1)
29,958

 
28,659

Total TDRs
$
91,169

 
$
90,264

 
(1)
Included in non-accrual loans and leases in the preceding table detailing non-performing assets.

The following table presents TDRs, by class segment for loans that were modified during the three and six months ended June 30, 2019 and 2018:
 
Three months ended June 30
 
Six months ended June 30
 
2019
 
2018
 
2019
 
2018
 
Number of Loans
 
Recorded Investment
 
Number of Loans
 
Recorded Investment
 
Number of Loans
 
Recorded Investment
 
Number of Loans
 
Recorded Investment
 
(dollars in thousands)
Commercial
6

 
$
2,371

 
2

 
$
53

 
10
 
$
4,831

 
11
 
$
9,412

Real estate - residential mortgage
1

 
516

 
1

 
77

 
5
 
1,433

 
2
 
82

Real estate - home equity
22

 
1,125

 
28

 
1,659

 
34
 
1,954

 
47
 
3,043

Total
29

 
$
4,012

 
31

 
$
1,789

 
49
 
$
8,218

 
60
 
$
12,537



Restructured loan modifications may include payment schedule modifications, interest rate concessions, bankruptcies, principal reduction, or some combination of these concessions. During the three and six months ended June 30, 2019, restructured loan modifications of residential mortgages, home equity loans and commercial mortgage loans primarily included maturity date extensions, rate modifications and payment schedule modifications.
The following table presents TDRs, by class segment, as of June 30, 2019 and 2018 that were modified in the previous 12 months and had a post-modification payment default during the six months ended June 30, 2019 and 2018. The Corporation defines a payment default as a single missed payment.
 
2019
 
2018
 
Number of Loans
 
Recorded Investment
 
Number of Loans
 
Recorded Investment
 
(dollars in thousands)
Real estate - residential mortgage
2

 
$
299

 
8

 
$
863

Real estate - commercial mortgage
—

 
—

 
1

 
176

Real estate - home equity
16

 
890

 
29

 
1,955

Commercial
4

 
2,302

 
5

 
146

Total
22

 
$
3,491

 
43

 
$
3,140