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Loans and Allowance for Loan Losses
12 Months Ended
Dec. 31, 2011
Receivables [Abstract]  
Loans and Allowance for Loan Losses
Loans and Allowance for Loan Losses

Total non-covered and covered loans outstanding are as follows:
 
 
As of December 31,
 
2011
 
2010
Commercial loans
$
5,107,747

 
$
4,527,497

Mortgage loans
413,664

 
403,843

Installment loans
1,263,665

 
1,308,860

Home equity loans
743,982

 
749,378

Credit card loans
146,356

 
149,506

Leases
73,530

 
63,004

 
Total non-covered loans (a)
7,748,944

 
7,202,088

Allowance for noncovered loan losses
(107,699
)
 
(114,690
)
 
Net non-covered loans
7,641,245

 
7,087,398

Covered loans (b)
1,497,140

 
1,976,754

Allowance for covered loan losses
(36,417
)
 
(13,733
)
 
Net covered loans
1,460,723

 
1,963,021

 
Net loans
$
9,101,968

 
$
9,050,419


(a) Includes acquired, non-covered loans of $113.2 million and $265.5 million as of December 31, 2011 and 2010, respectively.
(b) Includes loss share receivable of $205.7 million and $288.6 million as of December 31, 2011 and 2010, respectively.

Originated loans are presented net of deferred loan origination fees and costs which amounted to $6.0 million and $3.6 million at December 31, 2011 and 2010, respectively.

The Corporation makes loans to officers on the same terms and conditions as made available to all employees and to directors on substantially the same terms and conditions as transactions with other parties. An analysis of loan activity with related parties for the years ended December 31, 2011, 2010 and 2009 is summarized as follows:
 
Years Ended December 31,
 
2011
 
2010
 
2009
Aggregate amount at beginning of year
$
15,723

 
$
20,126

 
$
22,005

Additions (deductions)
 
 
 
 
 
New loans
2,458

 
6,115

 
3,504

Repayments
(2,552
)
 
(7,171
)
 
(4,808
)
Changes in directors and their affiliations

 
(3,347
)
 
(575
)
Aggregate amount at end of year
$
15,629

 
$
15,723

 
$
20,126



Acquired loans, including covered loans, are recorded at fair value as of the date of purchase with no allowance for loan loss. As discussed in Note 2 (Business Combinations), the Bank acquired loans of $275.6 million on February 19, 2010 in its acquisition of the First Bank branches, and $177.8 million on February 19, 2010 and $1.8 billion on May 14, 2010 in conjunction with the FDIC-assisted acquisitions of George Washington and Midwest, respectively. All loans acquired in the First Bank acquisition were performing as of the date of acquisition and, therefore, the difference between the fair value and the outstanding principal balance of these loans is being accreted to interest income over the remaining term of the loans. The loans that were acquired in these FDIC-assisted transactions are covered by Loss Share Agreements which afford the Bank significant loss protection. Loans covered under Loss Share Agreements, including the amounts of expected reimbursements from the FDIC under these agreements, are reported as covered loans in the accompanying consolidated balance sheets.

The Corporation elected to account for all loans acquired in the George Washington and Midwest acquisitions as impaired loans under ASC 310-30 (“Acquired Impaired Loans”) except for $162.6 million of acquired loans with revolving privileges, which are outside the scope of this guidance, and which are being accounted for in accordance with ASC 310 (“Acquired Non-Impaired Loans”). Interest income, through accretion of the difference between the carrying amount of the Acquired Impaired Loans and the expected cash flows, is recognized on all Acquired Impaired Loans. The difference between the fair value of the Acquired Non-Impaired Loans and their outstanding balances is being accreted to interest income over the remaining period the revolving lines are in effect. The outstanding balance, including contractual principal, interest, fees and penalties, of all Acquired Impaired Loans was $1.6 billion as of December 31, 2011.

The excess of an Acquired Impaired Loan’s cash flows expected to be collected over the initial investment in the loan is represented by the accretable yield. An Acquired Impaired Loan’s contractually required payments in excess of the amount of its cash flows expected to be collected is represented by its nonaccretable balance. The nonaccretable balance represents expected credit impairment on an Acquired Impaired Loan and is only recognized in income if payments exceed its recorded fair value. The majority of the nonaccretable balance on Acquired Impaired Loans is expected to be received through Loss Share Agreements and is recorded as part of covered loans in the accompanying consolidated balance sheet.

Over the life of the Acquired Impaired Loans, the Corporation continues to estimate cash flows expected to be collected, which includes the effects of estimated prepayments. The Corporation assesses impairment of Acquired Impaired Loans at each balance sheet date by comparing the net present value of updated cash flows (discounted by the effective yield calculated at the end of the previous accounting period) to the recorded book value. For any increases in cash flows expected to be collected, the Corporation adjusts the amount of accretable yield recognized on a prospective basis over the Acquired Impaired Loan’s or pool’s remaining life. To the extent impairment exists, an allowance for loan loss is established through a charge to provision for loan loss.

Changes in the carrying amount of accretable yield for Acquired Impaired Loans were as follows for the years ended December 31, 2011 and 2010:
 
For the Year Ended
 
December 31, 2011
 
December 31, 2010
 
Accretable
Yield
 
Carrying
Amount of
Loans
 
Accretable
Yield
 
Carrying
Amount of
Loans
Balance at beginning of period
$
227,652

 
$
1,512,817

 
$

 
$

Loans acquired

 

 
260,751

 
1,794,593

Accretion
(130,424
)
 
130,424

 
(83,782
)
 
83,782

Net Reclassifications from non-accretable to accretable
82,835

 

 
52,253

 

Payments received, net

 
(514,263
)
 

 
(365,558
)
Disposals
(3,327
)
 

 
(1,570
)
 

Balance at end of period
$
176,736

 
$
1,128,978

 
$
227,652

 
$
1,512,817



The following tables present by portfolio type the aging of the recorded investment in past due loans as well as the recorded investment in nonaccrual and loans past due over 90 days still on accrual. A discussion of the Corporation's accounting policies for nonperforming loans is in Note 1 (Summary of Significant Accounting Policies).
As of December 31, 2011
Legacy Loans
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing
 
Loans
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I
1,521

 
940

 
5,490

 
7,951

 
2,740,751

 
2,748,702

 
465

 
9,266

CRE
6,187

 
4,819

 
29,976

 
40,982

 
1,951,211

 
1,992,193

 
984

 
36,025

Construction
39

 

 
7,837

 
7,876

 
269,459

 
277,335

 
609

 
7,575

Leases

 

 

 

 
73,530

 
73,530

 

 

Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
11,531

 
3,388

 
5,167

 
20,086

 
1,241,059

 
1,261,145

 
4,864

 
624

Home Equity Lines
2,627

 
778

 
1,241

 
4,646

 
720,045

 
724,691

 
796

 
1,102

Credit Cards
1,090

 
707

 
1,019

 
2,816

 
143,540

 
146,356

 
403

 
622

Residential Mortgages
11,778

 
2,059

 
9,719

 
23,556

 
388,268

 
411,824

 
3,252

 
6,468

Total
$
34,773

 
$
12,691

 
$
60,449

 
$
107,913

 
$
7,527,863

 
$
7,635,776

 
$
11,373

 
$
61,682

Acquired Loans (Noncovered)
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing
 
Loans
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I

 

 
66

 
66

 
26,708

 
26,774

 

 
69

CRE

 
452

 
1,675

 
2,127

 
60,616

 
62,743

 

 
2,880

Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment

 

 
1

 
1

 
2,519

 
2,520

 
1

 

Home Equity Lines
67

 

 
1

 
68

 
19,223

 
19,291

 
2

 

Residential Mortgages

 

 

 

 
1,840

 
1,840

 

 

Total
$
67

 
$
452

 
$
1,743

 
$
2,262

 
$
110,906

 
$
113,168

 
$
3

 
$
2,949

Covered Loans (a)
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing(b)
 
Loans(b)
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I
7,451

 
2,137

 
25,801

 
35,389

 
162,150

 
197,539

 
 
 
 
CRE
20,379

 
12,895

 
170,795

 
204,069

 
573,779

 
777,848

 
 
 
 
Construction
4,206

 
1,674

 
57,978

 
63,858

 
26,051

 
89,909

 
 
 
 
Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
24

 
25

 
60

 
109

 
10,013

 
10,122

 
 
 
 
Home Equity Lines
2,656

 
1,094

 
1,088

 
4,838

 
136,710

 
141,548

 
 
 
 
Residential Mortgages
14,106

 
164

 
14,254

 
28,524

 
45,986

 
74,510

 
 
 
 
Total
$
48,822

 
$
17,989

 
$
269,976

 
$
336,787

 
$
954,689

 
$
1,291,476

 


 


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(a) Excludes loss share receivable of $205.7 million as of December 31, 2011.
(b) Acquired impaired loans were not classified as nonperforming assets at December 31, 2011 as the loans are considered to be performing under ASC 310-30. As a result interest income, through the accretion of the difference between the carrying amount of the loans and the expected cash flows, is being recognized on all acquired impaired loans. These asset quality disclosures are, therefore, not applicable to acquired impaired loans.
As of December 31, 2010
Legacy Loans
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing
 
Loans
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I
$
5,280

 
$
7,592

 
$
12,553

 
$
25,425

 
$
1,960,404

 
$
1,985,829

 
$
4,692

 
$
8,368

CRE
10,801

 
3,832

 
58,977

 
73,610

 
1,953,710

 
2,027,320

 
1,908

 
65,096

Construction
1,490

 
1,777

 
18,639

 
21,906

 
255,253

 
277,159

 
2,795

 
16,364

Leases

 

 

 

 
63,004

 
63,004

 

 

Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
14,486

 
4,491

 
7,059

 
26,036

 
1,279,307

 
1,305,343

 
3,236

 
3,724

Home Equity Lines
2,500

 
755

 
744

 
3,999

 
722,351

 
726,350

 
744

 
72

Credit Cards
1,570

 
975

 
1,337

 
3,882

 
145,624

 
149,506

 
371

 
966

Residential Mortgages
10,574

 
1,665

 
14,815

 
27,054

 
375,022

 
402,076

 
8,768

 
10,004

Total
$
46,701

 
$
21,087

 
$
114,124

 
$
181,912

 
$
6,754,675

 
$
6,936,587

 
$
22,514

 
$
104,594

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Acquired Loans (Noncovered)
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing
 
Loans
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I
$
1,939

 
$
511

 
$
703

 
$
3,153

 
$
92,995

 
$
96,148

 
$
703

 
$

CRE
493

 
16,650

 
38

 
17,181

 
123,860

 
141,041

 
38

 

Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
40

 
16

 
23

 
79

 
3,438

 
3,517

 
23

 

Home Equity Lines
105

 
24

 
46

 
175

 
22,853

 
23,028

 
46

 

Residential Mortgages
65

 

 

 
65

 
1,702

 
1,767

 

 
93

Total
$
2,642

 
$
17,201

 
$
810

 
$
20,653

 
$
244,848

 
$
265,501

 
$
810

 
$
93

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Covered Loans (a)
 
 
 
 
 
 
 
 
 
 
 
 
≥ 90 Days
 
 
 
Days Past Due
 
Total
 
 
 
Total
 
Past Due and
 
Nonaccrual
 
30-59
 
60-89
 
≥ 90
 
Past Due
 
Current
 
Loans
 
Accruing(b)
 
Loans(b)
Commercial
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I
$
5,509

 
$
2,911

 
$
70,588

 
$
79,008

 
$
180,186

 
$
259,194

 
 
 
 
CRE
29,241

 
16,761

 
208,820

 
254,822

 
763,393

 
1,018,215

 
 
 
 
Construction
2,179

 
2,458

 
83,969

 
88,606

 
28,564

 
117,170

 
 
 
 
Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
667

 
493

 
36

 
1,196

 
10,327

 
11,523

 
 
 
 
Home Equity Lines
1,476

 
738

 
443

 
2,657

 
183,277

 
185,934

 
 
 
 
Residential Mortgages
14,975

 
3,625

 
12,320

 
30,920

 
65,193

 
96,113

 
 
 
 
Total
$
54,047

 
$
26,986

 
$
376,176

 
$
457,209

 
$
1,230,940

 
$
1,688,149

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

(a) Excludes loss share receivable of $288.6 million as of December 31, 2010.
(b) Acquired impaired loans were not classified as nonperforming assets at December 31, 2010 as the loans are considered to be performing under ASC 310-30. As a result interest income, through the accretion of the difference between the carrying amount of the loans and the expected cash flows, is being recognized on all acquired impaired loans. These asset quality disclosures are, therefore, not applicable to acquired impaired loans.

Credit Quality

The credit quality of the Corporation’s loan portfolios is assessed as a function of net credit losses, levels of nonperforming assets and delinquencies, and credit quality ratings as defined by the Corporation. The Corporation's Credit Policy Division manages credit risk by establishing common credit policies for its subsidiary bank, participating in approval of its loans, conducting reviews of loan portfolios, providing centralized consumer underwriting, collections and loan operation services, and overseeing loan workouts. The Corporation's objective is to minimize losses from its commercial lending activities and to maintain consumer losses at acceptable levels that are stable and consistent with growth and profitability objectives. The Corporation's accounting policy for the allowance for loan losses is discussed in Note 1 (Summary of Significant Accounting Policies).
For consumer loans, Management evaluates credit quality based on the aging status of the loan as well as by payment activity, which is presented in the above tables. Individual commercial loans are assigned credit risk grades based on an internal assessment of conditions that affect a borrower’s ability to meet its contractual obligation under the loan agreement. The credit-risk grading process for commercial loans is summarized in Note 1 (Summary of Significant Accounting Policies). The following tables provide a summary of commercial loans by portfolio type by credit risk grade based on the most recent assessment performed.
As of December 31, 2011
Legacy Loans
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$
37,607

 
$

 
$

 
$
10,636

Grade 2
122,124

 
4,218

 
615

 

Grade 3
479,119

 
249,382

 
16,752

 
5,868

Grade 4
1,973,671

 
1,548,420

 
241,302

 
57,026

Grade 5
50,789

 
58,942

 
4,583

 

Grade 6
85,392

 
130,968

 
14,083

 

Grade 7

 
263

 

 

Grade 8

 

 

 

Total
$
2,748,702

 
$
1,992,193

 
$
277,335

 
$
73,530

Acquired Loans (Noncovered)
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$

 
$

 
$

 
$

Grade 2

 

 

 

Grade 3

 
1,871

 

 

Grade 4
26,036

 
55,129

 

 

Grade 5

 

 

 

Grade 6
738

 
5,743

 

 

Grade 7

 

 

 

Grade 8

 

 

 

Total
$
26,774

 
$
62,743

 
$

 
$

Covered Loans
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$
948

 
$

 
$

 
$

Grade 2
1,376

 

 

 

Grade 3

 
516

 

 

Grade 4
109,360

 
303,231

 
487

 

Grade 5
9,661

 
103,919

 
1,567

 

Grade 6
69,330

 
344,445

 
80,009

 

Grade 7
6,864

 
25,737

 
7,846

 

Grade 8

 

 

 

Total
$
197,539

 
$
777,848

 
$
89,909

 
$


As of December 31, 2010
Legacy Loans
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$
66,802

 
$
13,387

 
$
3,301

 
$
8,069

Grade 2
64,740

 
4,462

 
6,700

 

Grade 3
260,351

 
278,274

 
39,986

 
11,414

Grade 4
1,476,930

 
1,486,620

 
188,949

 
43,210

Grade 5
61,284

 
87,155

 
8,055

 
311

Grade 6
55,720

 
157,422

 
30,168

 

Grade 7
2

 

 

 

Grade 8

 

 

 

Total
$
1,985,829

 
$
2,027,320

 
$
277,159

 
$
63,004

Acquired Loans (Noncovered)
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$

 
$

 
$

 
$

Grade 2

 

 

 

Grade 3
451

 
5,934

 

 

Grade 4
95,392

 
133,613

 

 

Grade 5
5

 

 

 

Grade 6
300

 
1,494

 

 

Grade 7

 

 

 

Grade 8

 

 

 

Total
$
96,148

 
$
141,041

 
$

 
$

Covered Loans
 
 
 
 
 
 
 
 
Commercial
 
C&I
 
CRE
 
Construction
 
Leases
Grade 1
$
641

 
$

 
$

 
$

Grade 2

 

 

 

Grade 3
3,045

 
1,337

 

 

Grade 4
111,792

 
430,553

 
4,262

 

Grade 5
63,624

 
221,020

 
3,260

 

Grade 6
67,253

 
317,134

 
69,998

 

Grade 7
12,839

 
48,171

 
39,650

 

Grade 8

 

 

 

Total
$
259,194

 
$
1,018,215

 
$
117,170

 
$

 
 
 
 
 
 
 
 

The activity within the allowance for noncovered loan losses, by portfolio type, for the year ended December 31, 2011 is shown in the following table:

For the Year Ended December 31, 2011
 
C&I
 
CRE
 
Construction
 
Leases
 
Installment
 
Home Equity Lines
 
Credit Cards
 
Residential Mortgages
 
Total
Allowance for loan losses, beginning balance
$
29,764

 
$
32,026

 
$
7,180

 
$
475

 
$
21,555

 
$
7,217

 
$
11,107

 
$
5,366

 
$
114,690

Charge-offs
(20,251
)
 
(10,571
)
 
(3,973
)
 
(778
)
 
(25,839
)
 
(8,691
)
 
(7,846
)
 
(4,819
)
 
(82,768
)
Recoveries
2,162

 
630

 
685

 
37

 
13,639

 
1,985

 
2,264

 
340

 
21,742

Provision for loan losses
20,688

 
9,772

 
1,281

 
607

 
8,626

 
6,255

 
1,844

 
4,962

 
54,035

Allowance for loan losses, ending balance
$
32,363

 
$
31,857

 
$
5,173

 
$
341

 
$
17,981

 
$
6,766

 
$
7,369

 
$
5,849

 
$
107,699


The following presents the allowance for noncovered loan losses and the recorded investment in legacy loans, by portfolio type, and based on impairment method as of December 31, 2011.
As of December 31, 2011
 
 
C&I
 
CRE
 
Construction
 
Leases
 
Installment
 
Home Equity Lines
 
Credit Cards
 
Residential Mortgages
 
Total
Ending allowance for noncovered loan losses balance attributable to loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Individually evaluated for impairment
$
2,497

 
$
1,599

 
$
99

 
$

 
$
1,382

 
$
31

 
$
108

 
$
1,364

 
$
7,080

 
Collectively evaluated for impairment
29,866

 
30,258

 
5,074

 
341

 
16,599

 
6,735

 
7,261

 
4,485

 
100,619

Total ending allowance for noncovered loan losses balance
$
32,363

 
$
31,857

 
$
5,173

 
$
341

 
$
17,981

 
$
6,766

 
$
7,369

 
$
5,849

 
$
107,699

Legacy loans:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Loans individually evaluated for impairment
$
8,269

 
$
36,087

 
$
9,320

 
$

 
$
33,571

 
$
4,763

 
$
2,202

 
$
17,398

 
$
111,610

 
Loans collectively evaluated for impairment
2,740,433

 
1,956,106

 
268,015

 
73,530

 
1,227,574

 
719,928

 
144,154

 
394,426

 
7,524,166

Total ending legacy loan balance
$
2,748,702

 
$
1,992,193

 
$
277,335

 
$
73,530

 
$
1,261,145

 
$
724,691

 
$
146,356

 
$
411,824

 
$
7,635,776



The activity within the allowance for noncovered loan losses for the years ended December 31, 2010 and 2009 is shown in the following table:
 
Years Ended December 31,
 
2010
 
2009
Allowance for loan losses, beginning balance
$
115,092

 
$
103,757

Loans charged off:
 
 
 
C&I, CRE and construction
42,937

 
42,276

Leases
896

 
97

Installment
34,054

 
31,622

Home equity loans
7,912

 
7,200

Credit cards
13,577

 
13,558

Residential mortgages
5,156

 
4,960

Total charge-offs
104,532

 
99,713

Recoveries:
 
 
 
C&I, CRE and construction
2,816

 
1,584

Leases
267

 
57

Installment
13,203

 
8,500

Home equity loans
1,599

 
494

Credit cards
2,199

 
1,710

Residential mortgages
263


270

Total recoveries
20,347

 
12,615

Net charge-offs
84,185

 
87,098

Provision for loan losses
83,783

 
98,433

Allowance for loan losses, ending balance
$
114,690

 
$
115,092



To the extent there is a decrease in the present value of cash flows from Acquired Impaired Loans after the date of acquisition, the Corporation records an allowance for loan losses, net of expected reimbursement under any Loss Share Agreements. These expected reimbursements are recorded as part of covered loans in the accompanying consolidated balance sheets. During the year ended December 31, 2011, the Corporation increased its allowance for covered loan losses to $36.4 million to reserve for estimated additional losses on certain Acquired Impaired Loans. The increase in the allowance was recorded by a charge to the provision for covered loan losses of $62.9 million and an increase of $42.6 million in the loss share receivable for the portion of the losses recoverable under the Loss Share Agreements.

To the extent there is credit deterioration in Acquired Non-Impaired Loans after the date of acquisition, the Corporation records a provision for loan losses only when the required allowance, net of expected reimbursement under any Loss Share Agreements, exceeds any remaining credit discount.

The activity within the allowance for covered loan losses for the years ended December 31, 2011 and 2010 is shown in the following tables:

Allowance for Covered Loan Losses
Year ended
 
 
December 31
 
 
2011
 
2010
Balance at beginning of the period
$
13,733

 
$

 
Provision for loan losses before benefit attributable to FDIC loss share agreements
62,905

 
27,184

 
Benefit attributable to FDIC loss share agreements
(42,552
)
 
(22,752
)
Net provision for loan losses
20,353

 
4,432

Increase in indemnification asset
42,552

 
22,752

Loans charged-off
(40,221
)
 
(13,451
)
Balance at end of the period
$
36,417

 
$
13,733



A loan is considered to be impaired when, based on current events or information, it is probable the Corporation will be unable to collect all amounts due (principal and interest) per the contractual terms of the loan agreement. Loan impairment for all loans is measured based on either the present value of expected future cash flows discounted at the loan’s effective interest rate, at the observable market price of the loan, or the fair value of the collateral for certain collateral dependent loans. Impaired loans include all nonaccrual commercial, agricultural, construction, and commercial real estate loans, and loans modified as TDRs. The following tables present information related to impaired loans by portfolio type.
As of December 31, 2011
 
 
 
Unpaid
 
 
 
Average
 
 
Recorded
 
Principal
 
Related
 
Recorded
 
 
Investment
 
Balance
 
Allowance
 
Investment
Impaired loans with no related allowance
 
 
 
 
 
 
 
Commercial
 
 
 
 
 
 
 
 
C&I
$
6,999

 
$
9,121

 
$

 
$
8,442

 
CRE
29,566

 
46,744

 

 
37,720

 
Construction
7,522

 
13,675

 

 
9,908

Consumer

 

 

 

 
Installment

 

 

 

 
Home equity line

 

 

 

 
Credit card

 

 

 

 
Residential mortgages
4,244

 
4,262

 

 
4,450

Subtotal
48,331

 
73,802

 

 
60,520

Impaired loans with a related allowance
 
 
 
 
 
 
 
Commercial
 
 
 
 
 
 
 
 
C&I
1,270

 
1,769

 
2,497

 
752

 
CRE
6,521

 
6,789

 
1,599

 
3,247

 
Construction
1,798

 
2,864

 
99

 
1,929

Consumer

 

 
 
 

 
Installment
33,571

 
33,621

 
1,382

 
33,742

 
Home equity line
4,763

 
4,763

 
31

 
4,996

 
Credit card
2,202

 
2,202

 
108

 
2,497

 
Residential mortgages
13,154

 
13,160

 
1,364

 
13,155

Subtotal
63,279

 
65,168

 
7,080

 
60,318

 
Total impaired loans
$
111,610

 
$
138,970

 
$
7,080

 
$
120,838

As of December 31, 2010
 
 
 
Unpaid
 
 
 
Average
 
 
Recorded
 
Principal
 
Related
 
Recorded
 
 
Investment
 
Balance
 
Allowance
 
Investment
Impaired loans with no related allowance
 
 
 
 
 
 
 
Commercial
 
 
 
 
 
 
 
 
C&I
$
12,172

 
$
15,045

 
$

 
$
12,816

 
CRE
34,003

 
40,619

 

 
35,238

 
Construction
10,120

 
14,710

 

 
10,833

Consumer
 
 
 
 
 
 
 
 
Installment
17,146

 
17,164

 

 
17,313

 
Home equity line
1,747

 
1,747

 

 
1,764

 
Credit card
3,081

 
3,081

 

 
2,926

 
Residential mortgages
1,992

 
2,765

 

 
2,027

Subtotal
80,261

 
95,131

 

 
82,917

Impaired loans with a related allowance
 
 
 
 
 
 
 
Commercial
 
 
 
 
 
 
 
 
C&I

 

 

 

 
CRE
30,792

 
37,767

 
3,852

 
33,172

 
Construction
7,585

 
11,423

 
1,588

 
8,928

Consumer
 
 
 
 
 
 
 
 
Installment

 

 

 

 
Home equity line

 

 

 

 
Credit card

 

 

 

 
Residential mortgages
9,705

 
9,776

 
741

 
9,713

Subtotal
48,082

 
58,966

 
6,181

 
51,813

 
Total impaired loans
$
128,343

 
$
154,097

 
$
6,181

 
$
134,730



Aggregated consumer loans, mortgage loans, and leases that are collectively evaluated for impairment are not included in the above tables.
Interest income recognized on impaired loans during years ended December 31, 2011, 2010 and 2009 was not material.
In certain circumstances, the Corporation may modify the terms of a loan to maximize the collection of amounts due when a borrower is experiencing financial difficulties or is expected to experience difficulties in the near-term. In most cases the modification is either a concessionary reduction in interest rate, extension of the maturity date or modification of the adjustable rate provisions of the loan that would otherwise not be considered, however, forgiveness of principal is rarely granted. Concessionary modifications are classified as TDRs unless the modification is short-term, typically less than 90 days. TDRs accrue interest if the borrower complies with the revised terms and conditions and has demonstrated repayment performance at a level commensurate with the modified terms for a minimum of six consecutive payment cycles after the restructuring date.

The substantial majority of the Corporation’s residential mortgage TDRs involve reducing the client’s loan payment through an interest rate reduction for a set period of time based on the borrower’s ability to service the modified loan payment. Modifications of mortgages retained in portfolio are handled using proprietary modification guidelines, or the FDIC's Modification Program for residential first mortgages covered by Loss Share Agreements. The Corporation participates in the U.S. Treasury's Home Affordable Modification Program for originated mortgages sold to and serviced for Fannie Mae and Freddie Mac. Commercial and industrial loans modified in a TDR often involve temporary interest-only payments, term extensions, and converting revolving credit lines to term loans. Additional collateral, a co-borrower, or a guarantor is often requested. Commercial real estate and construction loans modified in a TDR often involve reducing the interest rate for the remaining term of the loan, extending the maturity date at an interest rate lower than the current market rate for new debt with similar risk, or substituting or adding a new borrower or guarantor. Construction loans modified in a TDR may also involve extending the interest-only payment period.

Included in the impaired loan balances above were TDRs of $72.9 million and $46.8 million as of December 31, 2011 and December 31, 2010, respectively. Specific allowances for loan losses are established for loans whose terms have been modified in a TDR. Specific reserve allocations are generally assessed prior to loans being modified in a TDR, as most of these loans migrate from the Corporation’s internal watch list and have been specifically allocated for as part of the Corporation’s normal loan loss provisioning methodology. Included in the impaired loan balances above were allowance for loan losses on TDRs of $3.5 million and $1.0 million as of December 31, 2011 and December 31, 2010, respectively.

As a result of adopting the amendments in ASU 2011-02 in the quarter ended September 30, 2011, the Corporation reassessed all restructurings that occurred on or after January 1, 2011 for identification as TDRs. The Corporation identified as TDRs certain receivables for which the allowance for credit losses had previously been measured under a general allowance for credit losses methodology. Upon identifying those receivables as TDRs, the Corporation identified them as impaired. The amendments in ASU 2011-02 require prospective application of the impairment measurement guidance for those receivables newly identified as impaired. The application of this new guidance to the commercial noncovered portfolio changed the evaluation of two loans with a recorded investment of $1.8 million to be classified as TDRs. The allowance for credit losses associated with these two loans, on the basis of a current evaluation of loss, was $0.3 million. In the consumer portfolio, $23.9 million of loans were reclassified as TDRs in the quarter ended September 30, 2011. The allowance for credit losses associated with these consumer loans, on the basis of a current evaluation of loss, was $1.3 million.
Acquired loans restructured after acquisition are not considered TDRs for purposes of the Corporation’s accounting and disclosure if the loans evidenced credit deterioration as of the acquisition date and are accounted for in pools. The Corporation has modified certain loans according to provisions in Loss Share Agreements. Losses associated with modifications on these loans, including the economic impact of interest rate reductions, are generally eligible for reimbursement under the Loss Share Agreements. As of December 31, 2011 and December 31, 2010, TDRs on Acquired Impaired Loans were $77.4 million and $37.2 million, respectively. At September 30, 2011, the end of the first interim period of adoption of ASU 2011-02, the recorded investment in covered loans, now considered a TDR was $1.9 million, and the allowance for credit losses associated with those covered loans, on the basis of a current evaluation of loss, was $0.2 million.

The following table provides a summary of TDRs by loan type as of December 31, 2011, including the delinquency status for TDRs that continue to accrue interest and TDRs included in nonperforming assets.
 
Accruing TDRs
 
Nonaccruing TDRs
 
Total
 
Total
 
Current
 
Delinquent
 
Total
 
Current
 
Delinquent
 
Total
 
TDRs
 
Allowance
Noncovered loans
 
 
 
 

 
 
 
 
 
 
 
 
 
 
Commercial
 
 
 
 

 
 
 
 
 

 

 
 
C&I
$
91

 
$

 
$
91

 
$

 
$
2,421

 
$
2,421

 
$
2,512

 
$
247

CRE
3,305

 
513

 
3,818

 
3,590

 
1,759

 
5,349

 
9,167

 
236

Construction
2,782

 

 
2,782

 
304

 
237

 
541

 
3,323

 
99

Total noncovered commercial
6,178

 
513

 
6,691

 
3,894

 
4,417

 
8,311

 
15,002

 
582

Consumer
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installment
31,635

 
1,802

 
33,437

 

 
134

 
134

 
33,571

 
1,382

Home equity lines
4,226

 
222

 
4,448

 
76

 
239

 
315

 
4,763

 
31

Credit card
2,073

 
110

 
2,183

 

 
19

 
19

 
2,202

 
108

Residential mortgages
13,694

 
707

 
14,401

 
1,635

 
1,362

 
2,997

 
17,398

 
1,364

Total noncovered consumer
51,628

 
2,841

 
54,469

 
1,711

 
1,754

 
3,465

 
57,934

 
2,885

Covered loans
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
C&I

 

 

 
1,022

 
8,141

 
9,163

 
9,163

 
1,578

CRE
15,203

 
2,362

 
17,565

 
25,885

 
20,658

 
46,543

 
64,108

 
7,069

Construction

 

 

 

 
4,148

 
4,148

 
4,148

 

Total covered commercial
15,203

 
2,362

 
17,565

 
26,907

 
32,947

 
59,854

 
77,419

 
8,647

Total TDRs
$
73,009

 
$
5,716

 
$
78,725

 
$
32,512

 
$
39,118

 
$
71,630

 
$
150,355

 
$
12,114



In the year ended December 31, 2011, ten commercial loans with a recorded investment of $4.3 million which had been modified in a TDR defaulted and were subsequently charged-off. The recorded investment of defaulted consumer loans which had been modified in a TDR in the year ended December 31, 2011 was $3.7 million. Loans modified in a TDR are closely monitored for delinquency as an early indicator of possible future default. If loans modified in a TDR subsequently default, the Corporation evaluates the loan for possible further impairment. The allowance for loan losses may be increased, adjustments may be made in the allocation of the allowance for loan losses, or partial charge-offs may be taken to further write-down the carrying value of the loan.
At December 31, 2011, the Corporation did not have any material commitments to lend additional funds to debtors owing receivables whose terms have been modified in a TDR.