XML 13 R54.htm IDEA: XBRL DOCUMENT v2.4.1.9

Deposits - Total Deposits (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Percentage Change, Checking, non-interest bearing	6.00%ccne_NonInterestBearingCheckingDepositIncreaseDecreasePercentage
Percentage Change, Checking, interest bearing	(3.10%)ccne_InterestBearingCheckingDepositIncreaseDecreasePercentage
Percentage Change, Savings accounts	(1.60%)ccne_SavingAccountsDepositIncreaseDecreasePercentage
Percentage Change, Certificates of deposit	34.10%ccne_CertificateOfDepositIncreaseDecreasePercentage
Percentage change, Total	1.10%ccne_DepositsIncreaseDecreasePercentage
Checking, non-interest bearing	$ 259,512us-gaap_NoninterestBearingDepositLiabilities	$ 244,743us-gaap_NoninterestBearingDepositLiabilities
Checking, interest bearing	438,867us-gaap_InterestBearingDomesticDepositChecking	453,102us-gaap_InterestBearingDomesticDepositChecking
Savings accounts	956,816us-gaap_InterestBearingDomesticDepositSavings	972,327us-gaap_InterestBearingDomesticDepositSavings
Certificates of deposit	212,186us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits	176,907us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits
Total deposits	$ 1,867,381us-gaap_Deposits	$ 1,847,079us-gaap_Deposits

X

- Definition

Certificate of Deposit Increase (Decrease), Percentage

+ References

No definition available.

+ Details

Name:	ccne_CertificateOfDepositIncreaseDecreasePercentage
Namespace Prefix:	ccne_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Deposits Increase (Decrease), Percentage.

+ References

No definition available.

+ Details

Name:	ccne_DepositsIncreaseDecreasePercentage
Namespace Prefix:	ccne_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Interest Bearing Checking Deposit Increase (Decrease), Percentage.

+ References

No definition available.

+ Details

Name:	ccne_InterestBearingCheckingDepositIncreaseDecreasePercentage
Namespace Prefix:	ccne_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Non Interest Bearing Checking Deposit Increase (Decrease), Percentage.

+ References

No definition available.

+ Details

Name:	ccne_NonInterestBearingCheckingDepositIncreaseDecreasePercentage
Namespace Prefix:	ccne_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Saving Accounts Deposit Increase (Decrease), Percentage

+ References

No definition available.

+ Details

Name:	ccne_SavingAccountsDepositIncreaseDecreasePercentage
Namespace Prefix:	ccne_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BankingAndThriftAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

Name:	us-gaap_Deposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of interest-bearing domestic certificate of deposit liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

Name:	us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of interest-bearing domestic checking deposit liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

Name:	us-gaap_InterestBearingDomesticDepositChecking
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

Name:	us-gaap_InterestBearingDomesticDepositSavings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.12)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 12

-Article 9

+ Details

Name:	us-gaap_NoninterestBearingDepositLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant