XML 106 R65.htm IDEA: XBRL DOCUMENT
v3.20.1

REVENUE RECOGNITION (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Revenue from Customers [Abstract] |  |  |
Revenue from customers | $ 6,926 | $ 6,512 |
Service Charges [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 4,687 | 4,667 |
Overdraft Fees [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 1,536 | 1,551 |
Statement Fees [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 206 | 206 |
Interchange Revenue [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 2,294 | 2,259 |
ATM Income [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 392 | 400 |
Other Service Charges [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 259 | 251 |
Trust [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 750 | 705 | $ 755
Brokerage and Insurance [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | 1,141 | 790 | $ 635
Other [Member] |  |  |
Revenue from Customers [Abstract] |  |  |
Revenue from customers | $ 348 | $ 350 |

X
- References No definition available. + Details
Name: | us-gaap_DisaggregationOfRevenueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_ServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_OverdraftFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_StatementFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_InterchangeRevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_AutomatedTellerMachineIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_ServiceChargesOnDepositAccountsOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_TrustFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=czfs_BrokerageAndInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_FinancialServiceOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |