XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.21.1

Loans- Risk Rating (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Farmland |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | $ 2,340 | $ 2,773
2020 | 2,765 | 4,448
2019 | 4,018 | 3,767
2018 | 3,686 | 3,699
2017 | 3,672 | 1,476
Prior | 6,905 | 6,491
Revolving Loans Amortized Cost Basis | 680 | 662
Revolving Loans Converted to Term | 0 | 0
Total | 24,066 | 23,316
Farmland | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 2,340 | 1,617
2020 | 1,609 | 4,448
2019 | 4,018 | 3,767
2018 | 3,686 | 3,648
2017 | 3,623 | 894
Prior | 5,112 | 5,280
Revolving Loans Amortized Cost Basis | 680 | 662
Revolving Loans Converted to Term | 0 | 0
Total | 21,068 | 20,316
Farmland | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 1,156
2020 | 1,156 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,156 | 1,156
Farmland | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 51
2017 | 49 | 582
Prior | 1,793 | 1,211
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,842 | 1,844
Farmland | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Owner-occupied, nonfarm nonresidential properties |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 21,542 | 87,715
2020 | 93,033 | 112,129
2019 | 100,739 | 55,330
2018 | 50,134 | 58,427
2017 | 55,099 | 30,112
Prior | 79,263 | 54,579
Revolving Loans Amortized Cost Basis | 8,545 | 9,632
Revolving Loans Converted to Term | 0 | 0
Total | 408,355 | 407,924
Owner-occupied, nonfarm nonresidential properties | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 21,542 | 86,694
2020 | 92,037 | 109,228
2019 | 97,475 | 52,818
2018 | 48,063 | 56,948
2017 | 54,569 | 26,119
Prior | 71,633 | 50,839
Revolving Loans Amortized Cost Basis | 8,211 | 9,253
Revolving Loans Converted to Term | 0 | 0
Total | 393,530 | 391,899
Owner-occupied, nonfarm nonresidential properties | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 452
2019 | 863 | 74
2018 | 65 | 541
2017 | 146 | 318
Prior | 1,595 | 1,310
Revolving Loans Amortized Cost Basis | 77 | 131
Revolving Loans Converted to Term | 0 | 0
Total | 2,746 | 2,826
Owner-occupied, nonfarm nonresidential properties | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 1,021
2020 | 996 | 2,449
2019 | 2,401 | 2,438
2018 | 2,006 | 938
2017 | 384 | 3,675
Prior | 6,035 | 2,430
Revolving Loans Amortized Cost Basis | 257 | 248
Revolving Loans Converted to Term | 0 | 0
Total | 12,079 | 13,199
Owner-occupied, nonfarm nonresidential properties | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Agricultural production and other loans to farmers |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 785 | 267
2020 | 217 | 155
2019 | 142 | 601
2018 | 599 | 0
2017 | 0 | 54
Prior | 53 | 0
Revolving Loans Amortized Cost Basis | 1,723 | 1,587
Revolving Loans Converted to Term | 0 | 0
Total | 3,519 | 2,664
Agricultural production and other loans to farmers | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 785 | 267
2020 | 217 | 155
2019 | 142 | 601
2018 | 599 | 0
2017 | 0 | 54
Prior | 53 | 0
Revolving Loans Amortized Cost Basis | 1,723 | 1,587
Revolving Loans Converted to Term | 0 | 0
Total | 3,519 | 2,664
Agricultural production and other loans to farmers | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Agricultural production and other loans to farmers | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Agricultural production and other loans to farmers | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Commercial and Industrial |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 160,235 | 319,251
2020 | 210,098 | 57,553
2019 | 49,663 | 51,555
2018 | 40,465 | 33,250
2017 | 23,731 | 7,534
Prior | 35,648 | 13,156
Revolving Loans Amortized Cost Basis | 171,087 | 181,251
Revolving Loans Converted to Term | 0 | 0
Total | 690,927 | 663,550
Commercial and Industrial | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 160,165 | 318,323
2020 | 209,202 | 54,620
2019 | 46,734 | 46,854
2018 | 35,707 | 32,426
2017 | 23,364 | 7,197
Prior | 28,812 | 7,265
Revolving Loans Amortized Cost Basis | 164,494 | 170,386
Revolving Loans Converted to Term | 0 | 0
Total | 668,478 | 637,071
Commercial and Industrial | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 127
2020 | 110 | 1,017
2019 | 980 | 3,489
2018 | 3,544 | 712
2017 | 223 | 300
Prior | 1,223 | 1,033
Revolving Loans Amortized Cost Basis | 939 | 4,690
Revolving Loans Converted to Term | 0 | 0
Total | 7,019 | 11,368
Commercial and Industrial | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 70 | 801
2020 | 786 | 1,916
2019 | 1,949 | 1,212
2018 | 1,214 | 112
2017 | 144 | 37
Prior | 5,613 | 4,858
Revolving Loans Amortized Cost Basis | 5,654 | 6,175
Revolving Loans Converted to Term | 0 | 0
Total | 15,430 | 15,111
Commercial and Industrial | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 69 | 11,430
2020 | 11,302 | 12,279
2019 | 12,163 | 35,176
2018 | 34,411 | 20,891
2017 | 20,742 | 19,365
Prior | 43,512 | 24,789
Revolving Loans Amortized Cost Basis | 8,660 | 8,888
Revolving Loans Converted to Term | 0 | 0
Total | 130,859 | 132,818
Obligations (other than securities and leases) of states and political subdivisions | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 69 | 10,722
2020 | 10,596 | 12,279
2019 | 12,163 | 35,176
2018 | 34,411 | 20,891
2017 | 20,742 | 19,365
Prior | 43,512 | 24,789
Revolving Loans Amortized Cost Basis | 8,660 | 8,888
Revolving Loans Converted to Term | 0 | 0
Total | 130,153 | 132,110
Obligations (other than securities and leases) of states and political subdivisions | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 708
2020 | 706 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 706 | 708
Obligations (other than securities and leases) of states and political subdivisions | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Other loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 11 | 7,268
2020 | 7,855 | 1,237
2019 | 699 | 386
2018 | 366 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 2,482 | 3,070
Revolving Loans Converted to Term | 0 | 0
Total | 11,413 | 11,961
Other loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 11 | 7,268
2020 | 7,855 | 1,237
2019 | 699 | 386
2018 | 366 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 2,482 | 3,070
Revolving Loans Converted to Term | 0 | 0
Total | 11,413 | 11,961
Other loans | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Other loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Other loans | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Other construction loans and all land development and other land loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 9,167 | 120,797
2020 | 128,380 | 52,750
2019 | 55,436 | 20,006
2018 | 18,031 | 5,603
2017 | 3,809 | 28
Prior | 3,024 | 3,925
Revolving Loans Amortized Cost Basis | 3,165 | 2,625
Revolving Loans Converted to Term | 0 | 0
Total | 221,012 | 205,734
Other construction loans and all land development and other land loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 9,167 | 119,380
2020 | 127,040 | 52,078
2019 | 54,770 | 19,977
2018 | 18,002 | 2,300
2017 | 1,035 | 28
Prior | 1,648 | 1,895
Revolving Loans Amortized Cost Basis | 3,088 | 2,548
Revolving Loans Converted to Term | 0 | 0
Total | 214,750 | 198,206
Other construction loans and all land development and other land loans | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 1,417
2020 | 1,340 | 672
2019 | 666 | 29
2018 | 29 | 3,303
2017 | 2,774 | 0
Prior | 0 | 190
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 4,809 | 5,611
Other construction loans and all land development and other land loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 1,376 | 1,840
Revolving Loans Amortized Cost Basis | 77 | 77
Revolving Loans Converted to Term | 0 | 0
Total | 1,453 | 1,917
Other construction loans and all land development and other land loans | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Multifamily (5 or more) residential properties |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 46,662 | 73,578
2020 | 70,208 | 40,386
2019 | 33,892 | 26,518
2018 | 14,286 | 49,383
2017 | 49,049 | 4,086
Prior | 19,039 | 16,957
Revolving Loans Amortized Cost Basis | 2,566 | 1,907
Revolving Loans Converted to Term | 0 | 0
Total | 235,702 | 212,815
Multifamily (5 or more) residential properties | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 45,945 | 73,572
2020 | 70,202 | 39,633
2019 | 33,892 | 26,230
2018 | 14,010 | 49,178
2017 | 48,845 | 4,086
Prior | 19,039 | 16,957
Revolving Loans Amortized Cost Basis | 2,566 | 1,907
Revolving Loans Converted to Term | 0 | 0
Total | 234,499 | 211,563
Multifamily (5 or more) residential properties | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Multifamily (5 or more) residential properties | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 717 | 6
2020 | 6 | 753
2019 | 0 | 288
2018 | 276 | 205
2017 | 204 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 1,203 | 1,252
Multifamily (5 or more) residential properties | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | 0 | 0
Non-owner occupied, nonfarm nonresidential properties |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 20,806 | 161,144
2020 | 141,963 | 140,738
2019 | 137,946 | 91,957
2018 | 89,222 | 67,519
2017 | 61,775 | 46,516
Prior | 160,634 | 122,388
Revolving Loans Amortized Cost Basis | 10,419 | 10,683
Revolving Loans Converted to Term | 0 | 0
Total | 622,765 | 640,945
Non-owner occupied, nonfarm nonresidential properties | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 15,475 | 161,045
2020 | 141,872 | 127,518
2019 | 124,898 | 89,520
2018 | 87,695 | 55,966
2017 | 50,563 | 44,959
Prior | 147,584 | 105,962
Revolving Loans Amortized Cost Basis | 9,371 | 9,633
Revolving Loans Converted to Term | 0 | 0
Total | 577,458 | 594,603
Non-owner occupied, nonfarm nonresidential properties | Special mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 3,727 | 99
2020 | 91 | 895
2019 | 754 | 2,111
2018 | 1,201 | 3,969
2017 | 3,660 | 835
Prior | 1,668 | 4,137
Revolving Loans Amortized Cost Basis | 450 | 450
Revolving Loans Converted to Term | 0 | 0
Total | 11,551 | 12,496
Non-owner occupied, nonfarm nonresidential properties | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 1,604 | 0
2020 | 0 | 12,325
2019 | 12,294 | 326
2018 | 326 | 7,584
2017 | 7,552 | 722
Prior | 11,382 | 12,289
Revolving Loans Amortized Cost Basis | 598 | 600
Revolving Loans Converted to Term | 0 | 0
Total | 33,756 | 33,846
Non-owner occupied, nonfarm nonresidential properties | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
2017 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted to Term | 0 | 0
Total | $ 0 | $ 0

X
- Definition Revolving Loans Amortized Cost Basis + References No definition available. + Details
Name: | ccne_RevolvingLoansAmortizedCostBasis
Namespace Prefix: | ccne_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of accrued interest on financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL120267963-210447 + Details
Name: | us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated more than five years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated four years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated in fiscal year prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 + Details
Name: | us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated three years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable originated two years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
Name: | us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL120270059-210447 + Details
Name: | us-gaap_FinancingReceivableRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_FarmlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_OwnerOccupiedNonfarmNonresidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_AgriculturalProductionAndOtherLoansToFarmersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_ObligationsOfStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_OtherConstructionLoansAndAllLandDevelopmentAndOtherLandLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_MultifamilyResidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ccne_NonOwnerOccupiedNonfarmNonresidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |