XML 35 R24.htm IDEA: XBRL DOCUMENT
v3.10.0.1

LOANS AND ALLOWANCE FOR LOAN LOSSES (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Loans and Leases Receivable Disclosure [Abstract] |
Composition of Loan Portfolio, Excluding Residential Loans Held for Sale | The composition of the Company’s loan portfolio, excluding residential loans held for sale, at June 30, 2018 and December 31, 2017 was as follows:
| June 30, 2018 |  | December 31, 2017
Residential real estate | $ | 907,910 |  |  | $ | 858,369 |
Commercial real estate | 1,190,052 |  |  | 1,164,023 |
Commercial | 386,393 |  |  | 373,400 |
Home equity | 323,671 |  |  | 323,378 |
Consumer | 19,506 |  |  | 18,149 |
HPFC | 39,997 |  |  | 45,120 |
Total loans | $ | 2,867,529 |  |  | $ | 2,782,439 |
Schedule of Loan Balances by Portfolio Segment | The loan balances for each portfolio segment presented above are net of their respective unamortized fair value mark discount on acquired loans and net of unamortized loan origination costs totaling:
| June 30, 2018 |  | December 31, 2017
Net unamortized fair value mark discount on acquired loans | $ | 5,199 |  |  | $ | 6,207 |
Net unamortized loan origination costs | (947 | ) |  | (963 | )
Total | $ | 4,252 |  |  | $ | 5,244 |
Summary of Activity in Allowance for Loan Losses | The following presents the activity in the ALL and select loan information by portfolio segment for the three and six months ended June 30, 2018 and 2017, and for the year ended December 31, 2017:
|  | Residential Real Estate |  | Commercial Real Estate |  | Commercial |  | Home Equity |  | Consumer |  | HPFC |  | Total
For The Three and Six Months Ended June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALL for the three months ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 5,497 |  |  | $ | 10,286 |  |  | $ | 4,126 |  |  | $ | 2,427 |  |  | $ | 230 |  |  | $ | 424 |  |  | $ | 22,990 |
Loans charged off |  | (85 | ) |  | (86 | ) |  | (127 | ) |  | (75 | ) |  | (16 | ) |  | — |  |  | (389 | )
Recoveries |  | 15 |  |  | 2 |  |  | 57 |  |  | 1 |  |  | 2 |  |  | — |  |  | 77 |
Provision (credit)(1) |  | 352 |  |  | 108 |  |  | 247 |  |  | 263 |  |  | 44 |  |  | (24 | ) |  | 990 |
Ending balance |  | $ | 5,779 |  |  | $ | 10,310 |  |  | $ | 4,303 |  |  | $ | 2,616 |  |  | $ | 260 |  |  | $ | 400 |  |  | $ | 23,668 |
ALL for the six months ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 5,086 |  |  | $ | 11,863 |  |  | $ | 4,171 |  |  | $ | 2,367 |  |  | $ | 233 |  |  | $ | 451 |  |  | $ | 24,171 |
Loans charged off |  | (116 | ) |  | (512 | ) |  | (298 | ) |  | (224 | ) |  | (42 | ) |  | — |  |  | (1,192 | )
Recoveries |  | 15 |  |  | 15 |  |  | 120 |  |  | 44 |  |  | 5 |  |  | — |  |  | 199 |
Provision (credit)(1) |  | 794 |  |  | (1,056 | ) |  | 310 |  |  | 429 |  |  | 64 |  |  | (51 | ) |  | 490 |
Ending balance |  | $ | 5,779 |  |  | $ | 10,310 |  |  | $ | 4,303 |  |  | $ | 2,616 |  |  | $ | 260 |  |  | $ | 400 |  |  | $ | 23,668 |
ALL balance attributable to loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 585 |  |  | $ | 23 |  |  | $ | — |  |  | $ | 226 |  |  | $ | — |  |  | $ | — |  |  | $ | 834 |
Collectively evaluated for impairment |  | 5,194 |  |  | 10,287 |  |  | 4,303 |  |  | 2,390 |  |  | 260 |  |  | 400 |  |  | 22,834 |
Total ending ALL |  | $ | 5,779 |  |  | $ | 10,310 |  |  | $ | 4,303 |  |  | $ | 2,616 |  |  | $ | 260 |  |  | $ | 400 |  |  | $ | 23,668 |
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 5,400 |  |  | $ | 5,093 |  |  | $ | 1,611 |  |  | $ | 487 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,591 |
Collectively evaluated for impairment |  | 902,510 |  |  | 1,184,959 |  |  | 384,782 |  |  | 323,184 |  |  | 19,506 |  |  | 39,997 |  |  | 2,854,938 |
Total ending loans balance |  | $ | 907,910 |  |  | $ | 1,190,052 |  |  | $ | 386,393 |  |  | $ | 323,671 |  |  | $ | 19,506 |  |  | $ | 39,997 |  |  | $ | 2,867,529 |
For The Three and Six Months Ended June 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALL for the three months ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 4,271 |  |  | $ | 12,726 |  |  | $ | 3,815 |  |  | $ | 2,107 |  |  | $ | 175 |  |  | $ | 627 |  |  | $ | 23,721 |
Loans charged off |  | (190 | ) |  | (9 | ) |  | (145 | ) |  | (391 | ) |  | (48 | ) |  | (81 | ) |  | (864 | )
Recoveries |  | 4 |  |  | 10 |  |  | 118 |  |  | — |  |  | 2 |  |  | — |  |  | 134 |
Provision (credit)(1) |  | 396 |  |  | 121 |  |  | 487 |  |  | 378 |  |  | 53 |  |  | (32 | ) |  | 1,403 |
Ending balance |  | $ | 4,481 |  |  | $ | 12,848 |  |  | $ | 4,275 |  |  | $ | 2,094 |  |  | $ | 182 |  |  | $ | 514 |  |  | $ | 24,394 |
ALL for the six months ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 4,160 |  |  | $ | 12,154 |  |  | $ | 3,755 |  |  | $ | 2,194 |  |  | $ | 181 |  |  | $ | 672 |  |  | $ | 23,116 |
Loans charged off |  | (195 | ) |  | (12 | ) |  | (281 | ) |  | (392 | ) |  | (62 | ) |  | (81 | ) |  | (1,023 | )
Recoveries |  | 4 |  |  | 113 |  |  | 195 |  |  | 1 |  |  | 4 |  |  | — |  |  | 317 |
Provision (credit)(1) |  | 512 |  |  | 593 |  |  | 606 |  |  | 291 |  |  | 59 |  |  | (77 | ) |  | 1,984 |
Ending balance |  | $ | 4,481 |  |  | $ | 12,848 |  |  | $ | 4,275 |  |  | $ | 2,094 |  |  | $ | 182 |  |  | $ | 514 |  |  | $ | 24,394 |
ALL balance attributable to loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 468 |  |  | $ | 1,116 |  |  | $ | 120 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 1,704 |
Collectively evaluated for impairment |  | 4,013 |  |  | 11,732 |  |  | 4,155 |  |  | 2,094 |  |  | 182 |  |  | 514 |  |  | 22,690 |
Total ending ALL |  | $ | 4,481 |  |  | $ | 12,848 |  |  | $ | 4,275 |  |  | $ | 2,094 |  |  | $ | 182 |  |  | $ | 514 |  |  | $ | 24,394 |
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 4,451 |  |  | $ | 13,116 |  |  | $ | 2,067 |  |  | $ | 446 |  |  | $ | — |  |  | $ | — |  |  | $ | 20,080 |
Collectively evaluated for impairment |  | 827,126 |  |  | 1,125,640 |  |  | 368,634 |  |  | 326,637 |  |  | 17,035 |  |  | 51,117 |  |  | $ | 2,716,189 |
Total ending loans balance |  | $ | 831,577 |  |  | $ | 1,138,756 |  |  | $ | 370,701 |  |  | $ | 327,083 |  |  | $ | 17,035 |  |  | $ | 51,117 |  |  | $ | 2,736,269 |
|  | Residential Real Estate |  | Commercial Real Estate |  | Commercial |  | Home Equity |  | Consumer |  | HPFC |  | Total
For The Year Ended December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |
ALL: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 4,160 |  |  | $ | 12,154 |  |  | $ | 3,755 |  |  | $ | 2,194 |  |  | $ | 181 |  |  | $ | 672 |  |  | $ | 23,116 |
Loans charged off |  | (482 | ) |  | (124 | ) |  | (1,014 | ) |  | (434 | ) |  | (124 | ) |  | (290 | ) |  | (2,468 | )
Recoveries |  | 30 |  |  | 141 |  |  | 301 |  |  | 2 |  |  | 17 |  |  | 6 |  |  | 497 |
Provision (credit)(1) |  | 1,378 |  |  | (308 | ) |  | 1,129 |  |  | 605 |  |  | 159 |  |  | 63 |  |  | 3,026 |
Ending balance |  | $ | 5,086 |  |  | $ | 11,863 |  |  | $ | 4,171 |  |  | $ | 2,367 |  |  | $ | 233 |  |  | $ | 451 |  |  | $ | 24,171 |
ALL balance attributable to loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 568 |  |  | $ | 1,441 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 2,009 |
Collectively evaluated for impairment |  | 4,518 |  |  | 10,422 |  |  | 4,171 |  |  | 2,367 |  |  | 233 |  |  | 451 |  |  | 22,162 |
Total ending ALL |  | $ | 5,086 |  |  | $ | 11,863 |  |  | $ | 4,171 |  |  | $ | 2,367 |  |  | $ | 233 |  |  | $ | 451 |  |  | $ | 24,171 |
Loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 5,171 |  |  | $ | 6,199 |  |  | $ | 1,791 |  |  | $ | 429 |  |  | $ | — |  |  | $ | — |  |  | $ | 13,590 |
Collectively evaluated for impairment |  | 853,198 |  |  | 1,157,824 |  |  | 371,609 |  |  | 322,949 |  |  | 18,149 |  |  | 45,120 |  |  | 2,768,849 |
Total ending loans balance |  | $ | 858,369 |  |  | $ | 1,164,023 |  |  | $ | 373,400 |  |  | $ | 323,378 |  |  | $ | 18,149 |  |  | $ | 45,120 |  |  | $ | 2,782,439 |
(1) | The provision for loan losses excludes any impact for the change in the reserve for unfunded commitments, which represents management's estimate of the amount required to reflect the probable inherent losses on outstanding letters of credit and unused lines of credit. The reserve for unfunded commitments is presented within accrued interest and other liabilities on the consolidated statements of condition. At June 30, 2018 and 2017, and December 31, 2017, the reserve for unfunded commitments was $16,000, $7,000 and $20,000, respectively.
Schedule of Provision for Credit Losses | The following reconciles the three and six months ended June 30, 2018 and 2017, and year ended December 31, 2017 provision for loan losses to the provision for credit losses as presented on the consolidated statement of income:
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |  | Year Ended December 31, 2017
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |
Provision for loan losses |  | $ | 990 |  |  | $ | 1,403 |  |  | $ | 490 |  |  | $ | 1,984 |  |  | $ | 3,026 |
Change in reserve for unfunded commitments |  | (7 | ) |  | (2 | ) |  | (4 | ) |  | (4 | ) |  | 9 |
Provision for credit losses |  | $ | 983 |  |  | $ | 1,401 |  |  | $ | 486 |  |  | $ | 1,980 |  |  | $ | 3,035 |
Credit Risk Exposure Indicators by Portfolio Segment | The following summarizes credit risk exposure indicators by portfolio segment as of the following dates:
|  | Residential Real Estate |  | Commercial Real Estate |  | Commercial |  | Home Equity |  | Consumer |  | HPFC |  | Total
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (Grades 1-6) |  | $ | 895,277 |  |  | $ | 1,165,799 |  |  | $ | 369,697 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,209 |  |  | $ | 2,468,982 |
Performing |  | — |  |  | — |  |  | — |  |  | 321,993 |  |  | 19,486 |  |  | — |  |  | 341,479 |
Special Mention (Grade 7) |  | 654 |  |  | 6,235 |  |  | 12,605 |  |  | — |  |  | — |  |  | 158 |  |  | 19,652 |
Substandard (Grade 8) |  | 11,979 |  |  | 18,018 |  |  | 4,091 |  |  | — |  |  | — |  |  | 1,630 |  |  | 35,718 |
Non-performing |  | — |  |  | — |  |  | — |  |  | 1,678 |  |  | 20 |  |  | — |  |  | 1,698 |
Total |  | $ | 907,910 |  |  | $ | 1,190,052 |  |  | $ | 386,393 |  |  | $ | 323,671 |  |  | $ | 19,506 |  |  | $ | 39,997 |  |  | $ | 2,867,529 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass (Grades 1-6) |  | $ | 846,394 |  |  | $ | 1,130,235 |  |  | $ | 354,904 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,049 |  |  | $ | 2,374,582 |
Performing |  | — |  |  | — |  |  | — |  |  | 321,727 |  |  | 18,149 |  |  | — |  |  | 339,876 |
Special Mention (Grade 7) |  | 922 |  |  | 9,154 |  |  | 12,517 |  |  | — |  |  | — |  |  | 191 |  |  | 22,784 |
Substandard (Grade 8) |  | 11,053 |  |  | 24,634 |  |  | 5,979 |  |  | — |  |  | — |  |  | 1,880 |  |  | 43,546 |
Non-performing |  | — |  |  | — |  |  | — |  |  | 1,651 |  |  | — |  |  | — |  |  | 1,651 |
Total |  | $ | 858,369 |  |  | $ | 1,164,023 |  |  | $ | 373,400 |  |  | $ | 323,378 |  |  | $ | 18,149 |  |  | $ | 45,120 |  |  | $ | 2,782,439 |
Loan Aging Analysis by Portfolio Segment | The following is a loan aging analysis by portfolio segment (including loans past due over 90 days and non-accrual loans) and a summary of non-accrual loans, which include TDRs, and loans past due over 90 days and accruing as of the following dates:
| 30-59 Days Past Due |  | 60-89 Days Past Due |  | Greater than 90 Days |  | Total Past Due |  | Current |  | Total Loans Outstanding |  | Loans > 90 Days Past Due and Accruing |  | Non-Accrual Loans
June 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | $ | 1,632 |  |  | $ | 721 |  |  | $ | 4,653 |  |  | $ | 7,006 |  |  | $ | 900,904 |  |  | $ | 907,910 |  |  | $ | — |  |  | $ | 5,742 |
Commercial real estate | 4,823 |  |  | 25 |  |  | 916 |  |  | 5,764 |  |  | 1,184,288 |  |  | 1,190,052 |  |  | — |  |  | 5,600 |
Commercial | 263 |  |  | 1,228 |  |  | 1,500 |  |  | 2,991 |  |  | 383,402 |  |  | 386,393 |  |  | — |  |  | 1,934 |
Home equity | 995 |  |  | 242 |  |  | 1,421 |  |  | 2,658 |  |  | 321,013 |  |  | 323,671 |  |  | — |  |  | 1,680 |
Consumer | 62 |  |  | 24 |  |  | 20 |  |  | 106 |  |  | 19,400 |  |  | 19,506 |  |  | — |  |  | 20 |
HPFC | 264 |  |  | 191 |  |  | 834 |  |  | 1,289 |  |  | 38,708 |  |  | 39,997 |  |  | — |  |  | 834 |
Total | $ | 8,039 |  |  | $ | 2,431 |  |  | $ | 9,344 |  |  | $ | 19,814 |  |  | $ | 2,847,715 |  |  | $ | 2,867,529 |  |  | $ | — |  |  | $ | 15,810 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | $ | 3,871 |  |  | $ | 1,585 |  |  | $ | 4,021 |  |  | $ | 9,477 |  |  | $ | 848,892 |  |  | $ | 858,369 |  |  | $ | — |  |  | $ | 4,979 |
Commercial real estate | 849 |  |  | 323 |  |  | 5,528 |  |  | 6,700 |  |  | 1,157,323 |  |  | 1,164,023 |  |  | — |  |  | 5,642 |
Commercial | 329 |  |  | 359 |  |  | 1,535 |  |  | 2,223 |  |  | 371,177 |  |  | 373,400 |  |  | — |  |  | 2,000 |
Home equity | 1,046 |  |  | 173 |  |  | 1,329 |  |  | 2,548 |  |  | 320,830 |  |  | 323,378 |  |  | — |  |  | 1,650 |
Consumer | 57 |  |  | 10 |  |  | — |  |  | 67 |  |  | 18,082 |  |  | 18,149 |  |  | — |  |  | — |
HPFC | 139 |  |  | 1,372 |  |  | 419 |  |  | 1,930 |  |  | 43,190 |  |  | 45,120 |  |  | — |  |  | 1,043 |
Total | $ | 6,291 |  |  | $ | 3,822 |  |  | $ | 12,832 |  |  | $ | 22,945 |  |  | $ | 2,759,494 |  |  | $ | 2,782,439 |  |  | $ | — |  |  | $ | 15,314 |
Troubled Debt Restructuring and Specific Reserve Related to TDRs | The following is a summary of TDRs, by portfolio segment, and the associated specific reserve included within the ALL as of the periods indicated:
|  | Number of Contracts |  | Recorded Investment |  | Specific Reserve
|  | June 30, 2018 |  | December 31, 2017 |  | June 30, 2018 |  | December 31, 2017 |  | June 30, 2018 |  | December 31, 2017
Residential real estate |  | 24 |  |  | 24 |  |  | $ | 3,540 |  |  | $ | 3,604 |  |  | $ | 442 |  |  | $ | 452 |
Commercial real estate |  | 2 |  |  | 3 |  |  | 352 |  |  | 976 |  |  | 23 |  |  | 16 |
Commercial |  | 6 |  |  | 7 |  |  | 1,278 |  |  | 1,345 |  |  | — |  |  | — |
Home equity |  | 2 |  |  | 2 |  |  | 306 |  |  | 307 |  |  | 114 |  |  | — |
Total |  | 34 |  |  | 36 |  |  | $ | 5,476 |  |  | $ | 6,232 |  |  | $ | 579 |  |  | $ | 468 |
Schedule of Loan Modifications | The following represents loan modifications that qualify as TDRs that occurred for the three and six months ended June 30, 2018 and 2017:
|  | Number of Contracts |  | Pre-Modification Outstanding Recorded Investment |  | Post-Modification Outstanding Recorded Investment |  | Specific Reserve
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017 |  | 2018 |  | 2017
For the three months ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate and maturity concession |  | 1 |  |  | — |  |  | $ | 163 |  |  | $ | — |  |  | $ | 186 |  |  | $ | — |  |  | $ | 39 |  |  | $ | — |
Home equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate and maturity concession |  | — |  |  | 1 |  |  | — |  |  | 315 |  |  | — |  |  | 315 |  |  | — |  |  | — |
Total |  | 1 |  |  | 1 |  |  | $ | 163 |  |  | $ | 315 |  |  | $ | 186 |  |  | $ | 315 |  |  | $ | 39 |  |  | $ | — |
For the six months ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate and maturity concession |  | 1 |  |  | — |  |  | $ | 163 |  |  | $ | — |  |  | $ | 186 |  |  | $ | — |  |  | $ | 39 |  |  | $ | — |
Maturity concession |  | — |  |  | 1 |  |  | — |  |  | 151 |  |  | — |  |  | 151 |  |  | — |  |  | 15 |
Home equity: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate and maturity concession |  | — |  |  | 1 |  |  | — |  |  | 315 |  |  | — |  |  | 315 |  |  | — |  |  | — |
Total |  | 1 |  |  | 2 |  |  | $ | 163 |  |  | $ | 466 |  |  | $ | 186 |  |  | $ | 466 |  |  | $ | 39 |  |  | $ | 15 |
Summary of Impaired Loan Balances and Associated Allowance by Portfolio Segment | The following is a summary of impaired loan balances and the associated allowance by portfolio segment as of and for the three and six months ended June 30, 2018 and 2017, and as of and for the year-ended December 31, 2017:
|  |  |  |  |  |  | For the Three Months Ended |  | For the Six Months Ended
| Recorded Investment |  | Unpaid Principal Balance |  | Related Allowance |  | Average Recorded Investment |  | Interest Income Recognized |  | Average Recorded Investment |  | Interest Income Recognized
June 30, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | $ | 3,506 |  |  | $ | 3,506 |  |  | $ | 585 |  |  | $ | 3,525 |  |  | $ | 39 |  |  | $ | 3,636 |  |  | $ | 69 |
Commercial real estate | 351 |  |  | 351 |  |  | 23 |  |  | 1,971 |  |  | 10 |  |  | 3,121 |  |  | 11 |
Commercial | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Home equity | 465 |  |  | 465 |  |  | 226 |  |  | 306 |  |  | — |  |  | 204 |  |  | — |
Consumer | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Ending balance | 4,322 |  |  | 4,322 |  |  | 834 |  |  | 5,802 |  |  | 49 |  |  | 6,961 |  |  | 80 |
Without an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | 1,894 |  |  | 2,200 |  |  | — |  |  | 1,704 |  |  | 7 |  |  | 1,574 |  |  | 14 |
Commercial real estate(1) | 4,742 |  |  | 5,080 |  |  | — |  |  | 2,556 |  |  | (3 | ) |  | 1,963 |  |  | — |
Commercial | 1,611 |  |  | 2,785 |  |  | — |  |  | 1,663 |  |  | 2 |  |  | 1,705 |  |  | 4 |
Home equity(2) | 22 |  |  | 61 |  |  | — |  |  | 183 |  |  | (2 | ) |  | 265 |  |  | — |
Consumer | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Ending balance | 8,269 |  |  | 10,126 |  |  | — |  |  | 6,106 |  |  | 4 |  |  | 5,507 |  |  | 18 |
Total impaired loans | $ | 12,591 |  |  | $ | 14,448 |  |  | $ | 834 |  |  | $ | 11,908 |  |  | $ | 53 |  |  | $ | 12,468 |  |  | $ | 98 |
June 30, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | $ | 3,026 |  |  | $ | 3,026 |  |  | $ | 468 |  |  | $ | 3,034 |  |  | $ | 29 |  |  | $ | 3,030 |  |  | $ | 55 |
Commercial real estate | 12,049 |  |  | 12,049 |  |  | 1,116 |  |  | 11,901 |  |  | 11 |  |  | 11,777 |  |  | 11 |
Commercial | 121 |  |  | 121 |  |  | 120 |  |  | 41 |  |  | — |  |  | 21 |  |  | — |
Home equity | — |  |  | — |  |  | — |  |  | 204 |  |  | — |  |  | 251 |  |  | — |
Consumer | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 49 |  |  | — |
Ending Balance | 15,196 |  |  | 15,196 |  |  | 1,704 |  |  | 15,180 |  |  | 40 |  |  | 15,128 |  |  | 66 |
Without an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | 1,425 |  |  | 1,786 |  |  | — |  |  | 1,327 |  |  | 5 |  |  | 1,310 |  |  | 7 |
Commercial real estate | 1,067 |  |  | 1,303 |  |  | — |  |  | 1,251 |  |  | 4 |  |  | 1,477 |  |  | 14 |
Commercial | 1,946 |  |  | 3,120 |  |  | — |  |  | 1,962 |  |  | 2 |  |  | 1,993 |  |  | 5 |
Home equity | 446 |  |  | 632 |  |  | — |  |  | 236 |  |  | 4 |  |  | 187 |  |  | 4 |
Consumer | — |  |  | — |  |  | — |  |  | 2 |  |  | — |  |  | 4 |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Ending Balance | 4,884 |  |  | 6,841 |  |  | — |  |  | 4,778 |  |  | 15 |  |  | 4,971 |  |  | 30 |
Total impaired loans | $ | 20,080 |  |  | $ | 22,037 |  |  | $ | 1,704 |  |  | $ | 19,958 |  |  | $ | 55 |  |  | $ | 20,099 |  |  | $ | 96 |
(1) | Negative interest income recognized for the three months ended June 30, 2018 represents the re-allocation of interest income between "without an allowance recorded" and "with an allowance recorded" during the period.
(2) | Negative interest income recognized for the three months ended June 30, 2018 was due to the reversal of interest income recognized for the three months ended March 31, 2018 upon the redefault of a TDR during the three months ended June 30, 2018.
|  |  |  |  |  |  | For the Year Ended
| Recorded Investment |  | Unpaid Principal Balance |  | Related Allowance |  | Average Recorded Investment |  | Interest Income Recognized
December 31, 2017: |  |  |  |  |  |  |  |  |
With an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | $ | 3,858 |  |  | $ | 3,858 |  |  | $ | 568 |  |  | $ | 3,177 |  |  | $ | 131 |
Commercial real estate | 5,422 |  |  | 5,422 |  |  | 1,441 |  |  | 8,900 |  |  | 22 |
Commercial | — |  |  | — |  |  | — |  |  | 31 |  |  | — |
Home equity | — |  |  | — |  |  | — |  |  | 125 |  |  | — |
Consumer | — |  |  | — |  |  | — |  |  | — |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | 24 |  |  | — |
Ending Balance | 9,280 |  |  | 9,280 |  |  | 2,009 |  |  | 12,257 |  |  | 153 |
Without an allowance recorded: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential real estate | 1,313 |  |  | 1,673 |  |  | — |  |  | 1,345 |  |  | 15 |
Commercial real estate | 777 |  |  | 1,084 |  |  | — |  |  | 1,132 |  |  | 29 |
Commercial | 1,791 |  |  | 2,964 |  |  | — |  |  | 1,920 |  |  | 10 |
Home equity | 429 |  |  | 495 |  |  | — |  |  | 310 |  |  | 8 |
Consumer | — |  |  | — |  |  | — |  |  | 2 |  |  | — |
HPFC | — |  |  | — |  |  | — |  |  | — |  |  | — |
Ending Balance | 4,310 |  |  | 6,216 |  |  | — |  |  | 4,709 |  |  | 62 |
Total impaired loans | $ | 13,590 |  |  | $ | 15,496 |  |  | $ | 2,009 |  |  | $ | 16,966 |  |  | $ | 215 |

X
- Definition Loan Portfolio + References No definition available. + Details
Name: | cac_LoanPortfolioTableTextBlock
Namespace Prefix: | cac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Table Text Block] for Schedule of Provision for Credit Losses [Table] + References No definition available. + Details
Name: | cac_ScheduleofProvisionforCreditLossesTableTextBlock
Namespace Prefix: | cac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Table Text Block] for Troubled Debt Restructuring and Specific Reserve Related to TDRs [Table] + References No definition available. + Details
Name: | cac_TroubledDebtRestructuringandSpecificReserveRelatedtoTDRsTableTextBlock
Namespace Prefix: | cac_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=82894031&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953659-111524 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of impaired financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524 + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables and troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
Name: | us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration