XML 112 R100.htm IDEA: XBRL DOCUMENT
v3.22.1

DERIVATIVE FINANCIAL INSTRUMENTS, Estimated Fair Value Positions of Derivative Contracts (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) Contract | Dec. 31, 2020 USD ($) Contract
Derivative Fair Value [Abstract] |  |
Number of interest rate swap contracts | Contract | 6 | 6
Hedge ineffectiveness in earnings | $ 0 | $ 0
Amount reclassified as an increase in interest expense | 0 |
Fair value of collateral of the derivative counterparties | 5,200 |
Interest Rate Swap [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 50,500 |
Derivative, fair value | $ 1,910 | (11)
Interest Rate Swap with Fixed Interest Rate of 0.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2025 |
Interest Rate Swap with Fixed Interest Rate of 0.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 0.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 15,000 |
Fixed interest rate paid | 0.57% |
Derivative, fair value | $ 291 | (143)
Interest Rate Swap with Fixed Interest Rate of 0.65% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2027 |
Interest Rate Swap with Fixed Interest Rate of 0.65% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 0.65% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 10,000 |
Fixed interest rate paid | 0.65% |
Derivative, fair value | $ 361 | (50)
Interest Rate Swap with Fixed Interest Rate of 3.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2027 |
Interest Rate Swap with Fixed Interest Rate of 3.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 3.57% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 7,500 |
Fixed interest rate paid | 3.57% |
Basis spread on variable rate | 2.80% |
Derivative, fair value | $ 239 | (87)
Interest Rate Swap with Fixed Interest Rate of 0.61% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2027 |
Interest Rate Swap with Fixed Interest Rate of 0.61% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 0.61% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 6,000 |
Fixed interest rate paid | 0.61% |
Derivative, fair value | $ 244 | 24
Interest Rate Swap with Fixed Interest Rate of 0.72% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2029 |
Interest Rate Swap with Fixed Interest Rate of 0.72% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 0.72% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 6,000 |
Fixed interest rate paid | 0.72% |
Derivative, fair value | $ 329 | 74
Interest Rate Swap with Fixed Interest Rate of 0.82% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Maturity date | Dec. 31, 2032 |
Interest Rate Swap with Fixed Interest Rate of 0.82% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | LIBOR [Member] |  |
Derivative Fair Value [Abstract] |  |
Term of variable rate | 3 months |
Interest Rate Swap with Fixed Interest Rate of 0.82% [Member] | Derivatives Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | $ 6,000 |
Fixed interest rate paid | 0.82% |
Derivative, fair value | $ 446 | 171
Zero Premium Collar [Member] | Derivatives Not Designated as Hedging Instruments Under ASC 815 [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 87,300 |
Zero Premium Collar [Member] | Derivatives Not Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 67,375 | 64,013
Derivative, fair value | (1,817) | 1,111
Zero Premium Collar [Member] | Derivatives Not Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 19,938 | 0
Derivative, fair value | 284 | 0
Dealer Offset to Zero Premium Collar [Member] | Derivatives Not Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 67,375 | 64,013
Derivative, fair value | 1,817 | (1,111)
Dealer Offset to Zero Premium Collar [Member] | Derivatives Not Designated as Hedging Instruments Under ASC 815 [Member] | Other Assets/(Other Liabilities) [Member] |  |
Derivative Fair Value [Abstract] |  |
Notional amount | 19,938 | 0
Derivative, fair value | $ (284) | $ 0

X
- Definition Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
Name: | czfs_DerivativeTermOfVariableRate
Namespace Prefix: | czfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
Name: | us-gaap_CollateralAlreadyPostedAggregateFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The percentage points added to the reference rate to compute the variable rate on the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the derivative contract matures, in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DerivativeMaturityDates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 + Details
Name: | us-gaap_DerivativeNumberOfInstrumentsHeld
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
Name: | us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80748-113994 + Details
Name: | us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=czfs_OtherAssetsOtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateSwapSixMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateZeroPremiumCollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateZeroPremiumCollarTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateDealerOffsetToZeroPremiumCollarMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=czfs_InterestRateDealerOffsetToZeroPremiumCollarTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |