XML 65 R54.htm IDEA: XBRL DOCUMENT v3.21.2

Loans- Risk Rating (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
2021	$ 7,400	$ 2,773
2020	1,744	4,448
2019	3,291	3,767
2018	3,633	3,699
2017	1,029	1,476
Prior	5,733	6,491
Revolving Loans Amortized Cost Basis	587	662
Revolving Loans Converted to Term	0	0
Total	23,417	23,316
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	7,400	1,617
2020	1,744	4,448
2019	3,291	3,767
2018	3,633	3,648
2017	588	894
Prior	3,668	5,280
Revolving Loans Amortized Cost Basis	587	662
Revolving Loans Converted to Term	0	0
Total	20,911	20,316
Farmland | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	1,156
2020	0	0
2019	0	0
2018	0	0
2017	394	0
Prior	1,120	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,514	1,156
Farmland | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	51
2017	47	582
Prior	945	1,211
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	992	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	95,400	87,715
2020	88,481	112,129
2019	83,486	55,330
2018	39,787	58,427
2017	43,779	30,112
Prior	61,702	54,579
Revolving Loans Amortized Cost Basis	8,804	9,632
Revolving Loans Converted to Term	0	0
Total	421,439	407,924
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	94,875	86,694
2020	87,579	109,228
2019	80,317	52,818
2018	34,805	56,948
2017	43,282	26,119
Prior	55,306	50,839
Revolving Loans Amortized Cost Basis	8,606	9,253
Revolving Loans Converted to Term	0	0
Total	404,770	391,899
Owner-occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	452
2019	911	74
2018	4,332	541
2017	139	318
Prior	1,182	1,310
Revolving Loans Amortized Cost Basis	10	131
Revolving Loans Converted to Term	0	0
Total	6,574	2,826
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2021	525	1,021
2020	902	2,449
2019	2,258	2,438
2018	650	938
2017	358	3,675
Prior	5,214	2,430
Revolving Loans Amortized Cost Basis	188	248
Revolving Loans Converted to Term	0	0
Total	10,095	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	133	267
2020	128	155
2019	80	601
2018	200	0
2017	0	54
Prior	11	0
Revolving Loans Amortized Cost Basis	835	1,587
Revolving Loans Converted to Term	0	0
Total	1,387	2,664
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	133	267
2020	128	155
2019	80	601
2018	200	0
2017	0	54
Prior	11	0
Revolving Loans Amortized Cost Basis	835	1,587
Revolving Loans Converted to Term	0	0
Total	1,387	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	280,460	319,251
2020	92,603	57,553
2019	41,456	51,555
2018	19,254	33,250
2017	13,545	7,534
Prior	12,112	13,156
Revolving Loans Amortized Cost Basis	204,339	181,251
Revolving Loans Converted to Term	0	0
Total	663,769	663,550
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	279,839	318,323
2020	91,409	54,620
2019	38,688	46,854
2018	17,815	32,426
2017	13,268	7,197
Prior	6,183	7,265
Revolving Loans Amortized Cost Basis	193,305	170,386
Revolving Loans Converted to Term	0	0
Total	640,507	637,071
Commercial and Industrial | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	127
2020	384	1,017
2019	861	3,489
2018	967	712
2017	175	300
Prior	874	1,033
Revolving Loans Amortized Cost Basis	5,463	4,690
Revolving Loans Converted to Term	0	0
Total	8,724	11,368
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2021	621	801
2020	810	1,916
2019	1,907	1,212
2018	472	112
2017	102	37
Prior	3,632	4,858
Revolving Loans Amortized Cost Basis	5,571	6,175
Revolving Loans Converted to Term	0	0
Total	13,115	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	1,423	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,423	0
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
2021	27,893	11,430
2020	17,207	12,279
2019	8,910	35,176
2018	22,504	20,891
2017	20,303	19,365
Prior	37,882	24,789
Revolving Loans Amortized Cost Basis	4,554	8,888
Revolving Loans Converted to Term	0	0
Total	139,253	132,818
Obligations (other than securities and leases) of states and political subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	27,893	10,722
2020	16,938	12,279
2019	8,910	35,176
2018	22,504	20,891
2017	20,303	19,365
Prior	37,882	24,789
Revolving Loans Amortized Cost Basis	4,554	8,888
Revolving Loans Converted to Term	0	0
Total	138,984	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	269	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	269	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	594	7,268
2020	7,456	1,237
2019	596	386
2018	2	0
2017	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	3,439	3,070
Revolving Loans Converted to Term	0	0
Total	12,087	11,961
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	594	7,268
2020	7,456	1,237
2019	596	386
2018	2	0
2017	0	0
Prior	0	0
Revolving Loans Amortized Cost Basis	3,439	3,070
Revolving Loans Converted to Term	0	0
Total	12,087	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	62,832	120,797
2020	154,174	52,750
2019	42,445	20,006
2018	11,281	5,603
2017	3,660	28
Prior	1,035	3,925
Revolving Loans Amortized Cost Basis	4,835	2,625
Revolving Loans Converted to Term	0	0
Total	280,262	205,734
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	61,332	119,380
2020	154,174	52,078
2019	41,789	19,977
2018	11,252	2,300
2017	882	28
Prior	1,035	1,895
Revolving Loans Amortized Cost Basis	4,758	2,548
Revolving Loans Converted to Term	0	0
Total	275,222	198,206
Other construction loans and all land development and other land loans | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021	1,500	1,417
2020	0	672
2019	656	29
2018	0	3,303
2017	2,339	0
Prior	0	190
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	4,495	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	29	0
2017	439	0
Prior	0	1,840
Revolving Loans Amortized Cost Basis	77	77
Revolving Loans Converted to Term	0	0
Total	545	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	59,809	73,578
2020	58,173	40,386
2019	33,208	26,518
2018	8,556	49,383
2017	38,620	4,086
Prior	13,188	16,957
Revolving Loans Amortized Cost Basis	2,352	1,907
Revolving Loans Converted to Term	0	0
Total	213,906	212,815
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	59,809	73,572
2020	58,167	39,633
2019	32,515	26,230
2018	8,303	49,178
2017	38,416	4,086
Prior	13,188	16,957
Revolving Loans Amortized Cost Basis	2,352	1,907
Revolving Loans Converted to Term	0	0
Total	212,750	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	0	6
2020	6	753
2019	693	288
2018	253	205
2017	204	0
Prior	0	0
Revolving Loans Amortized Cost Basis	0	0
Revolving Loans Converted to Term	0	0
Total	1,156	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	131,932	161,144
2020	135,960	140,738
2019	92,932	91,957
2018	69,027	67,519
2017	56,976	46,516
Prior	148,255	122,388
Revolving Loans Amortized Cost Basis	10,869	10,683
Revolving Loans Converted to Term	0	0
Total	645,951	640,945
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2021	131,098	161,045
2020	135,960	127,518
2019	88,632	89,520
2018	66,343	55,966
2017	49,630	44,959
Prior	131,164	105,962
Revolving Loans Amortized Cost Basis	10,079	9,633
Revolving Loans Converted to Term	0	0
Total	612,906	594,603
Non-owner occupied, nonfarm nonresidential properties | Special mention
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	99
2020	0	895
2019	433	2,111
2018	1,017	3,969
2017	191	835
Prior	5,343	4,137
Revolving Loans Amortized Cost Basis	450	450
Revolving Loans Converted to Term	0	0
Total	7,434	12,496
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2021	834	0
2020	0	12,325
2019	3,867	326
2018	1,667	7,584
2017	7,155	722
Prior	11,748	12,289
Revolving Loans Amortized Cost Basis	340	600
Revolving Loans Converted to Term	0	0
Total	25,611	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=124255953&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=124267575&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=124255953&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=124267575&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=124255953&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=124267575&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=124255953&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=124255953&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=124267575&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=124267575&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=124255953&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=124267575&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=124255953&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=124267575&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=124255953&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: