XML 129 R96.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Borrowings - Schedule of Remaining Borrowing Capacity with FHLB (Parenthetical) (Detail) - USD ($) | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Jun. 21, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Aug. 31, 2010 | Oct. 31, 2009 | Jun. 30, 2009 | Aug. 31, 2008 | Feb. 28, 2008
Interest Rate 0.74% and 0.43% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 0.74% |  | 0.43% |  |  |  |  |  |
Interest Rate 0.74% and 0.43% [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Borrowings | $ 150,000,000 |  |  |  |  |  |  |  |
Interest Rate 4.60% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings |  | 4.60% | 4.60% | 0.27% |  |  | 4.60% |  |
FHLB advances, floating rate description | 3 month LIBOR + 0.16% |  |  |  |  |  |  |  |
FHLB advances, basis spread on floating rate | 0.16% |  |  |  |  |  |  |  |
Interest Rate 4.02% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings |  | 4.02% | 4.02% |  |  |  |  |  | 4.02%
FHLB advances, floating rate description | 3 month LIBOR + 0.11% |  |  |  |  |  |  |  |
FHLB advances, basis spread on floating rate | 0.11% |  |  |  |  |  |  |  |
Interest Rate 4.10% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings |  | 4.10% | 4.10% |  |  |  |  | 4.10% |
FHLB advances, floating rate description | 3 month LIBOR + 0.11%. |  |  |  |  |  |  |  |
FHLB advances, basis spread on floating rate | 0.11% |  |  |  |  |  |  |  |
Interest Rate 4.47% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings |  | 4.47% | 4.47% |  | 4.47% |  |  |  |
FHLB advances, floating rate description | 3 month LIBOR + 0.11% |  |  |  |  |  |  |  |
FHLB advances, basis spread on floating rate | 0.11% |  |  |  |  |  |  |  |
Interest Rate 0.83% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 0.83% |  |  |  |  |  |  |  |
Interest Rate 3.97% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 3.97% | 3.97% |  |  |  | 3.97% |  |  |
FHLB advances, floating rate description | 3 month LIBOR + 0.10 |  |  |  |  |  |  |  |
FHLB advances, basis spread on floating rate | 0.10% |  |  |  |  |  |  |  |
Interest Rate 1.25% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.25% |  |  |  |  |  |  |  |
Interest Rate 1.05% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.05% |  |  |  |  |  |  |  |
Interest Rate 1.17% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.17% |  |  |  |  |  |  |  |
Interest Rate 1.35% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.35% |  |  |  |  |  |  |  |
Interest Rate 1.27% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.27% |  |  |  |  |  |  |  |
Interest Rate 1.47% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 1.47% |  |  |  |  |  |  |  |
Interest Rate 4.72% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 4.72% |  |  |  |  |  |  |  |
Interest Rate 4.31% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 4.31% |  |  |  |  |  |  |  |
Interest Rate 3.05% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 3.05% |  |  |  |  |  |  |  |
Interest Rate 5.24% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 5.24% |  |  |  |  |  |  |  |
Interest Rate 3.35% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 3.35% |  |  |  |  |  |  |  |
Interest Rate 4.00% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 4.00% |  |  |  |  |  |  |  |
Interest Rate 2.96% [Member] |  |  |  |  |  |  |  |  |
Borrowings Under Repurchase Agreements [Line items] |  |  |  |  |  |  |  |  |
Fixed rate on borrowings | 2.96% |  |  |  |  |  |  |  |

X
- Definition Borrowings Under Repurchase Agreements [Line items] + References No definition available. + Details
Name: | ccne_BorrowingsUnderRepurchaseAgreementsLineItems
Namespace Prefix: | ccne_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal home loan bank advances general debt obligations disclosures interest rate basis spread. + References No definition available. + Details
Name: | ccne_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateBasisSpread
Namespace Prefix: | ccne_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal home loan bank advances general debt obligations disclosures interest rate description. + References No definition available. + Details
Name: | ccne_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresInterestRateDescription
Namespace Prefix: | ccne_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank Advances Open Repo Interest Rate Percentage + References No definition available. + Details
Name: | ccne_FederalHomeLoanBankAdvancesOpenRepoInterestRatePercentage
Namespace Prefix: | ccne_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Federal Home Loan Bank Borrowings + References No definition available. + Details
Name: | ccne_FederalHomeLoanBankBorrowings
Namespace Prefix: | ccne_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateSevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateNineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateTenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateElevenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateTwelveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateThirteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateFourteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ccne_InterestRateTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |