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Loans and Allowance for Loan Losses
3 Months Ended
Mar. 31, 2016
Loans and Allowance for Loan Losses [Abstract]  
Loans and Allowance for Loan Losses
Note 5.  Loans and Allowance for Loan Losses

For financial reporting purposes, Pinnacle Financial classifies its loan portfolio based on the underlying collateral utilized to secure each loan. This classification is consistent with those utilized in the Quarterly Report of Condition and Income filed with the Federal Deposit Insurance Corporation (FDIC).

Pinnacle Financial uses five loan categories: commercial real estate mortgage, consumer real estate mortgage, construction and land development, commercial and industrial, and consumer and other.
·
Commercial real-estate mortgage loans. Commercial real-estate mortgage loans are categorized as such based on investor exposures where repayment is largely dependent upon the operation, refinance, or sale of the underlying real estate. Commercial real-estate mortgage also includes owner occupied commercial real estate which shares a similar risk profile to our commercial and industrial products.
·
Consumer real-estate mortgage loans. Consumer real-estate mortgage consists primarily of loans secured by 1-4 residential properties including home equity lines of credit.
·
Construction and land development loans. Construction and land development loans include loans where the repayment is dependent on the successful operation of the related real estate project. Construction and land development loans include 1-4 family construction projects and commercial construction endeavors such as warehouses, apartments, office and retail space and land acquisition and development.
·
Commercial and industrial loans. Commercial and industrial loans include loans to business enterprises issued for commercial, industrial and/or other professional purposes.
·
Consumer and other loans. Consumer and other loans include all loans issued to individuals not included in the consumer real-estate mortgage classification. Examples of consumer and other loans are automobile loans, credit cards and loans to finance education, among others.

Commercial loans receive risk ratings assigned by a financial advisor and approved by a senior credit officer subject to validation by Pinnacle Financial's independent loan review department.  Risk ratings are categorized as pass, special mention, substandard, substandard-nonaccrual or doubtful-nonaccrual.  Pinnacle Financial believes that its categories follow those used by Pinnacle Bank's primary regulators.  At March 31, 2016, approximately 74.55% of our loan portfolio was analyzed as a commercial loan type with a specifically assigned risk rating in the allowance for loan loss assessment.  Consumer loans and small business loans are generally not assigned an individual risk rating but are evaluated as either accrual or nonaccrual based on the performance of the individual loans.  However, certain consumer real-estate mortgage loans and certain consumer and other loans receive a specific risk rating due to the loan proceeds being used for commercial purposes even though the collateral may be of a consumer loan nature.

Risk ratings are subject to continual review by a financial advisor and a senior credit officer. At least annually, our credit procedures require that every risk rated loan of $500,000 or more be subject to a formal credit risk review process by the assigned financial advisor. Each loan's risk rating is also subject to review by our independent loan review department, which reviews a substantial portion of our risk rated portfolio annually.  Included in the coverage are independent loan reviews of loans in targeted higher-risk portfolio segments such as certain commercial and industrial loans, land loans and/or loan types in certain geographies.

The following table presents our loan balances by primary loan classification and the amount within each risk rating category. Pass rated loans include all credits other than those included in special mention, substandard, substandard-nonaccrual and doubtful-nonaccrual which are defined as follows:

Special mention loans have potential weaknesses that deserve management's close attention.  If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in Pinnacle Financial's credit position at some future date.
Substandard loans are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any.  Assets so classified must have a well-defined weakness or weaknesses that jeopardize collection of the debt.  Substandard loans are characterized by the distinct possibility that Pinnacle Financial will sustain some loss if the deficiencies are not corrected.
Substandard-nonaccrual loans are substandard loans that have been placed on nonaccrual status.
Doubtful-nonaccrual loans have all the characteristics of substandard-nonaccrual loans with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable.

PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
 
The following table outlines the amount of each loan classification categorized into each risk rating category as of March 31, 2016 and December 31, 2015 (in thousands):

 
Commercial real estate - mortgage
 
Consumer real estate - mortgage
 
Construction and land development
 
Commercial and industrial
 
Consumer
and other
 
Total
March 31, 2016
           
Accruing loans
           
        Pass
$
2,285,128
 
$
1,013,661
 
$
746,663
 
$
2,314,663
 
$
242,170
 
$
6,602,285
        Special Mention
 
15,494
  
2,789
  
2,537
  
39,791
  
106
  
60,717
        Substandard (1)
 
34,518
  
12,250
  
7,686
  
57,939
  
61
  
112,454
        Total
 
2,335,140
  
1,028,700
  
756,886
  
2,412,393
  
242,337
  
6,775,456
Impaired loans
                 
        Nonaccrual loans(2)
                 
                Substandard-nonaccrual
 
5,356
  
10,178
  
7,193
  
15,959
  
3,742
  
42,428
                Doubtful-nonaccrual
 
2
  
2
  
-
  
92
  
-
  
96
        Total nonaccrual loans
 
5,358
  
10,180
  
7,193
  
16,051
  
3,742
  
42,524
        Troubled debt restructurings(3)
                 
                Pass
 
222
  
404
  
-
  
292
  
27
  
945
                Special Mention
 
-
  
247
  
-
  
-
  
-
  
247
                Substandard
 
-
  
2,838
  
-
  
5,920
  
-
  
8,758
         Total troubled debt restructurings
 
222
  
3,489
  
-
  
6,212
  
27
  
9,950
Total impaired loans
 
5,580
  
13,669
  
7,193
  
22,263
  
3,769
  
52,474
Total loans
$
2,340,720
 
$
1,042,369
 
$
764,079
 
$
2,434,656
 
$
246,106
 
$
6,827,930
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2015
           
Accruing loans
           
        Pass
$
2,217,639
 
$
1,020,239
 
$
732,662
 
$
2,143,006
 
$
239,874
 
$
6,353,420
        Special Mention
 
18,162
  
1,894
  
1,133
  
26,037
  
118
  
47,344
        Substandard (1)
 
33,638
  
11,346
  
6,295
  
53,671
  
74
  
105,024
        Total
 
2,269,439
  
1,033,479
  
740,090
  
2,222,714
  
240,066
  
6,505,788
Impaired loans
                 
        Nonaccrual loans(2)
                 
                Substandard-nonaccrual
 
5,819
  
9,344
  
7,607
  
1,591
  
4,902
  
29,263
                Doubtful-nonaccrual
 
2
  
2
  
-
  
92
  
-
  
96
        Total nonaccrual loans
 
5,821
  
9,346
  
7,607
  
1,683
  
4,902
  
29,359
        Troubled debt restructurings(3)
                 
                Pass
 
223
  
409
  
-
  
553
  
28
  
1,213
                Special Mention
 
-
  
422
  
-
  
-
  
-
  
422
                Substandard
 
-
  
2,861
  
-
  
3,592
  
-
  
6,453
         Total troubled debt restructurings
 
223
  
3,692
  
-
  
4,145
  
28
  
8,088
Total impaired loans
 
6,044
  
13,038
  
7,607
  
5,828
  
4,930
  
37,447
Total loans
$
2,275,483
 
$
1,046,517
 
$
747,697
 
$
2,228,542
 
$
244,996
 
$
6,543,235

(1)
Potential problem loans represent those loans with a well-defined weakness and where information about possible credit problems of borrowers has caused management to have doubts about the borrower's ability to comply with present repayment terms. This definition is believed to be substantially consistent with the standards established by Pinnacle Bank's primary regulators for loans classified as substandard, excluding the impact of nonaccrual loans and troubled debt restructurings. Potential problem loans, which are not included in nonaccrual loans, amounted to approximately $112.5 million at March 31, 2016, compared to $105.0 million at December 31, 2015.
(2)
Included in nonaccrual loans at March 31, 2016 and December 31, 2015 are $10.8 million and $12.1 million, respectively, in purchase credit impaired loans acquired with deteriorated credit quality.
(3)
Troubled debt restructurings are presented as an impaired loan; however, they continue to accrue interest at contractual rates.
PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
 
At March 31, 2016 and December 31, 2015, all loans classified as nonaccrual were deemed to be impaired. The principal balances of these nonaccrual loans amounted to $42.5 million and $29.4 million at March 31, 2016 and December 31, 2015, respectively, and are included in the tables above.  For the three months ended March 31, 2016, the average balance of nonaccrual loans was $43.7 million compared to $21.6 million for the year ended December 31, 2015. Pinnacle Financial's policy is that the discontinuation of the accrual of interest income will occur when (1) there is a significant deterioration in the financial condition of the borrower and full repayment of principal and interest is not expected or (2) the principal or interest is more than 90 days past due, unless the loan is both well secured and in the process of collection. As such, at the date the above mentioned loans were placed on nonaccrual status, Pinnacle Financial reversed all previously accrued interest income against current year earnings. Pinnacle Financial's policy is that once a loan is placed on nonaccrual status each subsequent payment is reviewed on a case-by-case basis to determine if the payment should be applied to interest or principal pursuant to regulatory guidelines. Pinnacle Financial recognized approximately $31,000 in interest income from cash payments received on nonaccrual loans during the three months ended March 31, 2016, and $308,000 in interest income from cash payments received on nonaccrual loans during the year ended December 31, 2015. Had these nonaccruing loans been on accruing status, interest income would have been higher by $280,000 for the three months ended March 31, 2016 and by $333,000 for the three months ended March 31, 2015.
 
The following table details the recorded investment, unpaid principal balance and related allowance and average recorded investment of our nonaccrual loans at March 31, 2016 and December 31, 2015 by loan classification and the amount of interest income recognized on a cash basis throughout the fiscal year-to-date period then ended, respectively, on these loans that remain on the balance sheets (in thousands):

  
At March 31, 2016
  
For the three months ended
March 31, 2016
 
  
Recorded investment
  
Unpaid principal balance(1)
  
Related allowance(2)
  
Average recorded investment
  
Interest income recognized
 
Collateral dependent nonaccrual loans:
               
    Commercial real estate – mortgage
 
$
3,826
  
$
4,491
  
$
-
  
$
3,854
  
$
-
 
    Consumer real estate – mortgage
  
4,431
   
4,916
   
-
   
4,462
   
-
 
    Construction and land development
  
7,122
   
7,526
   
-
   
7,320
   
31
 
    Commercial and industrial
  
14,747
   
17,252
   
-
   
15,451
   
-
 
    Consumer and other
  
385
   
409
   
-
   
386
   
-
 
Total
 
$
30,511
  
$
34,594
  
$
-
  
$
31,473
  
$
31
 
                     
Cash flow dependent nonaccrual loans:
                    
    Commercial real estate – mortgage
 
$
1,532
  
$
1,536
  
$
197
  
$
1,548
  
$
-
 
    Consumer real estate – mortgage
  
5,749
   
5,665
   
529
   
5,815
   
-
 
    Construction and land development
  
71
   
68
   
256
   
74
   
-
 
    Commercial and industrial
  
1,304
   
1,294
   
1,056
   
1,128
   
-
 
    Consumer and other
  
3,357
   
3,878
   
236
   
3,702
   
-
 
Total
 
$
12,013
  
$
12,441
  
$
2,274
  
$
12,267
  
$
-
 
 
Total nonaccrual loans
 
$
42,524
  
$
47,035
  
$
2,274
  
$
43,740
  
$
31
 

PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

  
At December 31, 2015
  
For the year ended
December 31, 2015
 
  
Recorded investment
  
Unpaid principal balance(1)
  
Related allowance(2)
  
Average recorded investment
  
Interest income recognized
 
Collateral dependent nonaccrual loans:
               
    Commercial real estate – mortgage
 
$
4,411
  
$
5,659
  
$
-
  
$
2,253
  
$
-
 
    Consumer real estate – mortgage
  
5,596
   
6,242
   
-
   
3,067
   
-
 
    Construction and land development
  
7,531
   
7,883
   
-
   
4,317
   
308
 
    Commercial and industrial
  
1,420
   
3,151
   
-
   
1,527
   
-
 
    Consumer and other
  
-
   
-
   
-
   
-
   
-
 
Total
 
$
18,958
  
$
22,935
  
$
-
  
$
11,164
  
$
308
 
                     
Cash flow dependent nonaccrual loans:
                    
    Commercial real estate – mortgage
 
$
1,410
  
$
1,661
  
$
20
  
$
1,466
  
$
-
 
    Consumer real estate – mortgage
  
3,750
   
4,098
   
616
   
3,815
   
-
 
    Construction and land development
  
76
   
125
   
12
   
87
   
-
 
    Commercial and industrial
  
263
   
281
   
19
   
168
   
-
 
    Consumer and other
  
4,902
   
5,341
   
3,002
   
4,913
   
-
 
Total
 
$
10,401
  
$
11,506
  
$
3,669
  
$
10,449
  
$
-
 
 
Total nonaccrual loans
 
$
29,359
  
$
34,441
  
$
3,669
  
$
21,613
  
$
308
 

(1) 
Unpaid principal balance presented net of fair value adjustments recorded in conjunction with purchase accounting.
(2)
Collateral dependent loans are typically charged-off to their net realizable value and no specific allowance is carried related to those loans.

Loans acquired with deteriorated credit quality are recorded pursuant to the provisions of ASC 310-30, Loans and Debt Securities Acquired with Deteriorated Credit Quality, and are referred to as purchase credit impaired loans.

The following table provides a rollforward of purchase credit impaired loans from December 31, 2015 through March 31, 2016 (in thousands):

  
Gross Contractual Receivable
  
Accretable Yield
  
Nonaccretable Yield
  
Carrying Value
 
             
December 31, 2015
 
$
16,274
  
$
-
  
$
(4,143
)
 
$
12,131
 
Year-to-date settlements
  
(1,484
)
  
-
   
154
   
(1,330
)
Additional fundings
  
54
   
-
   
-
   
54
 
March 31, 2016
 
$
14,855
  
$
-
  
$
(3,989
)
 
$
10,855
 

These loans have been deemed to be collateral dependent and as such, no accretable yield has been recorded for these loans. At the date of acquisition, the Day 1 Fair Value represents the carrying value. The carrying value is adjusted for additional draws, pursuant to contractual arrangements, offset by loan paydowns. Year-to-date settlements include both loans that were charged-off as well as loans that were paid off, typically as a result of refinancings at other institutions.

Impaired loans also include loans that Pinnacle Bank has elected to formally restructure due to the weakening credit status of a borrower. The restructuring may facilitate a repayment plan that seeks to minimize the potential losses that Pinnacle Bank may otherwise incur.  If on nonaccrual status as of the date of restructuring, the loans are included in nonaccrual loans. Loans that have been restructured that were performing as of the restructure date and continue to perform in accordance with the restructured terms are reported separately as troubled debt restructurings.

At both March 31, 2016 and December 31, 2015, there were $10.0 million and $8.1 million, respectively, of troubled debt restructurings that were performing as of their restructure date and which were accruing interest. These troubled debt restructurings are considered impaired loans pursuant to U.S. GAAP. Troubled commercial loans are restructured by specialists within our Special Assets Group, and all restructurings are approved by committees and credit officers separate and apart from the normal loan approval process.  These specialists are charged with reducing Pinnacle Financial's overall risk and exposure to loss in the event of a restructuring by obtaining some or all of the following:  improved documentation, additional guaranties, increase in curtailments, reduction in collateral release terms, additional collateral or other similar strategies.
PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

The following table outlines the amount of each loan category where troubled debt restructurings were made during the three months ended March 31, 2016 and 2015 (dollars in thousands):

  
Three months ended
March 31,
 
2016
 
Number
of contracts
  
Pre
Modification Outstanding Recorded Investment
  
Post Modification Outstanding Recorded Investment, net of related allowance
 
Commercial real estate – mortgage
  
-
  
$
-
  
$
-
 
Consumer real estate – mortgage
  
-
   
-
   
-
 
Construction and land development
  
-
   
-
   
-
 
Commercial and industrial
  
1
   
2,333
   
1,536
 
Consumer and other
  
-
   
-
   
-
 
   
1
  
$
2,333
  
$
1,536
 
             
2015
            
Commercial real estate – mortgage
  
-
  
$
-
  
$
-
 
Consumer real estate – mortgage
  
-
   
-
   
-
 
Construction and land development
  
-
   
-
   
-
 
Commercial and industrial
  
1
   
434
   
337
 
Consumer and other
  
-
   
-
   
-
 
   
1
  
$
434
  
$
337
 

During the three months ended March 31, 2016 and 2015, Pinnacle Financial did not have any troubled debt restructurings that subsequently defaulted within twelve months of the restructuring.

The table below presents past due balances by loan classification and segment at March 31, 2016 and December 31, 2015, allocated between accruing and nonaccrual status (in thousands):

March 31, 2016
30-89 days past due and accruing
  
90 days or more past due and accruing
  
Total past due and accruing
  
Nonaccrual(1)
  
Current
and accruing
  
Total
Loans
 
Commercial real estate:
                 
    Owner-occupied
$
4,509
  
$
-
  
$
4,509
  
$
4,545
  
$
1,090,617
  
$
1,099,671
 
    All other
 
296
   
-
   
296
   
813
   
1,239,940
   
1,241,049
 
Consumer real estate – mortgage
 
2,432
   
16
   
2,448
   
10,180
   
1,029,741
   
1,042,369
 
Construction and land development
 
2,220
   
770
   
2,990
   
7,193
   
753,896
   
764,079
 
Commercial and industrial
 
2,347
   
3,225
   
5,572
   
16,051
   
2,413,033
   
2,434,656
 
Consumer and other
 
5,704
   
544
   
6,248
   
3,742
   
236,116
   
246,106
 
 
$
17,508
  
$
4,555
  
$
22,063
  
$
42,524
  
$
6,763,343
  
$
6,827,930
 
                  
December 31, 2015
 
  
 
  
 
  
 
  
 
  
 
 
Commercial real estate:
                 
    Owner-occupied
$
-
  
$
-
  
$
-
  
$
5,103
  
$
1,078,394
  
$
1,083,497
 
    All other
 
-
   
-
   
-
   
718
   
1,191,268
   
1,191,986
 
Consumer real estate – mortgage
 
6,380
   
1,396
   
7,776
   
9,346
   
1,029,395
   
1,046,517
 
Construction and land development
 
309
   
-
   
309
   
7,607
   
739,781
   
747,697
 
Commercial and industrial
 
4,798
   
-
   
4,798
   
1,683
   
2,222,061
   
2,228,542
 
Consumer and other
 
6,721
   
373
   
7,094
   
4,902
   
233,000
   
244,996
 
 
$
18,208
  
$
1,769
  
$
19,977
  
$
29,359
  
$
6,493,899
  
$
6,543,235
 

(1)
Approximately $26.3 million and $19.0 million of nonaccrual loans as of March 31, 2016 and December 31, 2015, respectively, were performing pursuant to their contractual terms at those dates.
 
PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
 
The following table shows the allowance allocation by loan classification and accrual status at March 31, 2016 and December 31, 2015 (in thousands):

     
Impaired Loans
    
  
Accruing Loans
  
Nonaccrual Loans
  
Troubled Debt Restructurings(1)
  
Total Allowance
for Loan Losses
 
  
March 31, 2016
  
December 31, 2015
  
March 31, 2016
  
December 31, 2015
  
March 31, 2016
  
December 31, 2015
  
March 31, 2016
  
December 31, 2015
 
Commercial real estate –mortgage
 
$
13,306
  
$
15,452
  
$
197
  
$
20
  
$
48
  
$
41
  
$
13,551
  
$
15,513
 
Consumer real estate – mortgage
  
5,880
   
6,109
   
529
   
616
   
760
   
495
   
7,169
   
7,220
 
Construction and land development
  
3,686
   
2,891
   
256
   
12
   
-
   
-
   
3,942
   
2,903
 
Commercial and industrial
  
21,735
   
22,669
   
1,056
   
19
   
1,353
   
955
   
24,144
   
23,643
 
Consumer and other
  
11,616
   
12,609
   
236
   
3,002
   
6
   
5
   
11,858
   
15,616
 
Unallocated
  
-
   
-
   
-
   
-
   
-
   
-
   
1,575
   
537
 
  
$
56,223
  
$
59,730
  
$
2,274
  
$
3,669
  
$
2,167
  
$
1,496
  
$
62,239
  
$
65,432
 

(1) 
Troubled debt restructurings of $10.0 million and $8.1 million as of both March 31, 2016 and December 31, 2015, respectively, are classified as impaired loans pursuant to U.S. GAAP; however, these loans continue to accrue interest at contractual rates.

The following table details the changes in the allowance for loan losses from December 31, 2014 to December 31, 2015 to March 31, 2016 by loan classification and the allocation of the allowance for loan losses (in thousands):

 
Commercial real estate –
mortgage
 
Consumer real estate – mortgage
 
Construction and land development
 
Commercial and industrial
 
Consumer and other
 
Unallocated
 
Total
 
Allowance for Loan Losses:
              
Balance at December 31, 2014
$
22,202
 
$
5,424
 
$
5,724
 
$
29,167
 
$
1,570
 
$
3,272
 
$
67,359
 
    Charged-off loans
 
(384
)
 
(365
)
 
(190
)
 
(2,207
)
 
(18,002
)
 
-
  
(21,148
)
    Recovery of previously charged-off loans
 
85
  
874
  
1,479
  
1,730
  
5,865
  
-
  
10,033
 
    Provision for loan losses
 
(6,390
)
 
1,287
  
(4,110
)
 
(5,047
)
 
26,183
  
(2,735
)
 
9,188
 
Balance at December 31, 2015
$
15,513
 
$
7,220
 
$
2,903
 
$
23,643
 
$
15,616
 
$
537
 
$
65,432
 
                      
Collectively evaluated for impairment
$
15,452
 
$
6,109
 
$
2,891
 
$
22,669
 
$
12,609
    
$
59,730
 
Individually evaluated for impairment
 
61
  
1,111
  
12
  
974
  
3,007
     
5,165
 
Loans acquired with deteriorated credit quality
 
-
  
-
  
-
  
-
  
-
     
-
 
Balance at December 31, 2015
$
15,513
 
$
7,220
 
$
2,903
 
$
23,643
 
$
15,616
    
$
65,432
 
                      
Loans:
                     
Collectively evaluated for impairment
$
2,269,439
 
$
1,033,479
 
$
740,090
 
$
2,222,714
 
$
240,066
    
$
6,505,788
 
Individually evaluated for impairment
 
2,420
  
8,986
  
3,689
  
5,288
  
4,930
     
25,313
 
Loans acquired with deteriorated credit quality
 
3,624
  
4,052
  
3,918
  
540
  
-
     
12,134
 
Balance at December 31, 2015
$
2,275,483
 
$
1,046,517
 
$
747,697
 
$
2,228,542
 
$
244,996
    
$
6,543,235
 
                      

PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
 
 
Commercial real estate - mortgage
 
Consumer real estate - mortgage
 
Construction and land development
 
Commercial and industrial
 
Consumer and other
 
Unallocated
 
Total
 
Allowance for Loan Losses:
              
 Balance at December 31, 2015
$
15,513
 
$
7,220
 
$
2,903
 
$
23,643
 
$
15,616
 
$
537
 
$
65,432
 
    Charged-off loans
 
-
  
(199
)
 
-
  
(1,624
)
 
(7,404
)
 
-
  
(9,227
)
    Recovery of previously charged-off loans
 
58
  
85
  
25
  
1,433
  
540
  
-
  
2,141
 
    Provision for loan losses
 
(2,020
)
 
63
  
1,014
  
692
  
3,106
  
1,038
  
3,893
 
Balance at March 31, 2016
$
13,551
 
$
7,169
 
$
3,942
 
$
24,144
 
$
11,858
 
$
1,575
 
$
62,239
 
                      
Collectively evaluated for impairment
$
13,306
 
$
5,880
 
$
3,686
 
$
21,735
 
$
11,616
    
$
56,223
 
Individually evaluated for impairment
 
245
  
1,289
  
256
  
2,409
  
242
     
4,441
 
Loans acquired with deteriorated credit quality
 
-
  
-
  
-
  
-
  
-
     
-
 
Balance at March 31, 2016
$
13,551
 
$
7,169
 
$
3,942
 
$
24,144
 
$
11,858
    
$
62,239
 
                      
Loans:
                     
Collectively evaluated for impairment
$
2,335,140
 
$
1,028,700
 
$
756,886
 
$
2,412,393
 
$
242,337
    
$
6,775,456
 
Individually evaluated for impairment
 
3,025
  
10,353
  
3,642
  
21,215
  
3,384
     
41,619
 
Loans acquired with deteriorated credit quality
 
2,555
  
3,316
  
3,551
  
1,048
  
385
     
10,855
 
Balance at March 31, 2016
$
2,340,720
 
$
1,042,369
 
$
764,079
 
$
2,434,656
 
$
246,106
    
$
6,827,930
 
 
The adequacy of the allowance for loan losses is assessed at the end of each calendar quarter using a migration analysis compiled using loss data over the previous 24 quarters. The level of the allowance is based upon evaluation of the loan portfolio, current asset quality trends, known and inherent risks in the portfolio, adverse situations that may affect the borrowers' ability to repay (including the timing of future payment), the estimated value of any underlying collateral, composition of the loan portfolio, economic conditions, historical loss experience, industry and peer bank loan quality indications and other pertinent factors, including regulatory recommendations. The allowance for loan losses for purchased loans is calculated similarly to the method utilized for legacy Pinnacle Bank loans. Pinnacle Financial's accounting policy is to compare the computed allowance for loan losses for purchased loans to any remaining fair value adjustment. If the computed allowance is greater than the remaining fair value adjustment, the excess is added to the allowance for loan losses by a charge to the provision for loan losses.
 
Pinnacle Financial analyzes its commercial loan portfolio to determine if a concentration of credit risk exists to any industry.  Pinnacle Financial utilizes broadly accepted industry classification systems in order to classify borrowers into various industry classifications.  Pinnacle Financial has a credit exposure (loans outstanding plus unfunded lines of credit) exceeding 25% of Pinnacle Bank's total risk-based capital to borrowers in the following industries at March 31, 2016 with the comparative exposures for December 31, 2015 (in thousands):

 
at March 31, 2016
   
 
Outstanding Principal Balances
 
Unfunded Commitments
 
Total exposure
 
Total Exposure at December 31, 2015
 
             
Lessors of nonresidential buildings
 
$
874,814
  
$
232,748
  
$
1,107,562
  
$
1,078,211
 
Lessors of residential buildings
  
398,569
   
173,805
   
572,374
   
500,266
 
 
At March 31, 2016, Pinnacle Bank had granted loans and other extensions of credit amounting to approximately $10.5 million to current directors, executive officers, and their related entities, of which $7.4 million had been drawn upon. At December 31, 2015, Pinnacle Bank had granted loans and other extensions of credit amounting to approximately $14.5 million to directors, executive officers, and their related entities, of which approximately $11.4 million had been drawn upon. None of these loans to directors, executive officers, and their related entities were impaired at March 31, 2016 or December 31, 2015.
 
PINNACLE FINANCIAL PARTNERS, INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)
 
At March 31, 2016, Pinnacle Financial had approximately $10.5 million in commercial loans held for sale. These loans held for sale consist solely of apartment loans originated for sale to a third-party as part of a multi-family loan program. Such loans are closed under a pass-through commitment structure wherein Pinnacle Bank's loan commitment to the borrower is the same as the third party's take-out commitment to Pinnacle Bank, and the third party purchase typically occurs within thirty days of Pinnacle Bank closing with the borrowers.

Residential Lending

At March 31, 2016, Pinnacle Financial had approximately $35.4 million of mortgage loans held-for-sale compared to approximately $47.9 million at December 31, 2015. Total loan volumes sold during the three months ended March 31, 2016 were approximately $163.9 million compared to approximately $95.8 million for the three months ended ended March 31, 2015. During the three months ended March 31, 2016, Pinnacle Financial recognized $3.6 million in gains on the sale of these loans, net of commissions paid, compared to $1.9 million during the three months ended March 31, 2015.

These mortgage loans held-for-sale are originated internally and are primarily to borrowers in Pinnacle Bank's geographic markets. These sales are typically on a mandatory basis to investors that follow conventional government sponsored entities (GSE) and the Department of Housing and Urban Development/U.S. Department of Veterans Affairs (HUD/VA) guidelines.

Each purchaser has specific guidelines and criteria for sellers of loans, and the risk of credit loss with regard to the principal amount of the loans sold is generally transferred to the purchasers upon sale. While the loans are sold without recourse, the purchase agreements require Pinnacle Bank to make certain representations and warranties regarding the existence and sufficiency of file documentation and the absence of fraud by borrowers or other third parties such as appraisers in connection with obtaining the loan. If it is determined that the loans sold were in breach of these representations or warranties, Pinnacle Bank has obligations to either repurchase the loan for the unpaid principal balance and related investor fees or make the purchaser whole for the economic benefits of the loan. To date, repurchase activity pursuant to the terms of these representations and warranties has been insignificant to Pinnacle Bank.