Business acquisition number of branch locations of acquiree.

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- Definition

Merger related cost.

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

+ References

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- Definition

Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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-Publisher FASB

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-Topic 310

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-Section 15

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- Definition

Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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Amount of cash flows expected to be collected at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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Business Combination - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended			0 Months Ended	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 11, 2013	Mar. 31, 2013 Location
Business Acquisition [Line Items]
Total consideration paid to FC Banc Corp. shareholders in cash	$ 0	$ 0	$ 1,248
Merger cost		2,396ccne_MergerRelatedCost	0ccne_MergerRelatedCost
Deferred tax asset included in accrued interest receivable and other assets	7,272us-gaap_DeferredTaxAssetsLiabilitiesNet	13,660us-gaap_DeferredTaxAssetsLiabilitiesNet
Loans acquired with evidence of credit quality deterioration	2,225
Gross loans acquired	256,418
Combined yield and credit mark	8,681
Goodwill arising from Acquisition	27,194us-gaap_Goodwill	27,194us-gaap_Goodwill	10,946us-gaap_Goodwill
Farmers Citizens Bank [Member]
Business Acquisition [Line Items]
Outstanding equity interests of FC Banc Corp.					100.00%
Business acquisition share price				$ 17.91	$ 30.00
Number of branch locations					8
Total consideration paid to FC Banc Corp. shareholders		41,574		41,600
Total consideration paid to FC Banc Corp. shareholders in cash		8,013		8,000
Total consideration paid to FC Banc Corp. shareholders in shares				1,873,879
Total value of common stock		33,561		33,600
Deferred tax asset included in accrued interest receivable and other assets	5,696
Goodwill arising from Acquisition	$ 16,248	$ 16,248