XML 38 R32.htm IDEA: XBRL DOCUMENT v2.4.0.6

Fair Value (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Corporate notes and bonds [Member]
Quantitative Information About Level 3 Fair Value Measurements
Fair value	$ 2,067	$ 1,980
Corporate notes and bonds [Member] | Constant prepayment rate [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized one	0.00%	0.00%
Corporate notes and bonds [Member] | Probability of default [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized one	0.00%	0.00%
Corporate notes and bonds [Member] | Discount rate [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized one	9.20%	9.60%
Pooled trust preferred [Member]
Quantitative Information About Level 3 Fair Value Measurements
Fair value	$ 558	$ 600
Pooled trust preferred [Member] | Yield [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized one	12.00%	13.00%
Pooled trust preferred [Member] | Prepayment Speed [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized two	7.2% CPR in 2013; 2.0% CPR in 2014 and thereafter
Pooled trust preferred [Member] | Collateral Default Rate [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized two	2% in 2013: 1.5% in 2014: 1.0% in 2015 ; 0.5% in 2016 and thereafter	2% annually for 2 years;0.36% thereafter
Pooled trust preferred [Member] | Recovery probability [Member] | Discounted cash flow [Member]
Quantitative Information About Level 3 Fair Value Measurements
Input utilized two		10%, lagged 2 years

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- Definition

Input utilized one.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccne_
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Balance Type:	na
Period Type:	instant

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- Definition

Input utilized two.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccne_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Details

Name:	ccne_QuantitativeInformationAboutLevelThreeFairValueMeasurementsAbstract
Namespace Prefix:	ccne_
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X

- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant