XML 119 R104.htm IDEA: XBRL DOCUMENT
v3.20.4

FAIR VALUE OF FINANCIAL INSTRUMENTS, Measured On A Recurring And Nonrecurring Basis (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired loans, estimated selling cost | $ 356,000 | $ 424,000
Recurring [Member] |  |
Assets [Abstract] |  |
Equity securities | 1,931,000 | 701,000
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 81,416,000 | 84,863,000
U.S. Treasuries securities | 28,043,000 | 27,661,000
Obligations of state and political subdivisions | 102,972,000 | 61,455,000
Corporate obligations | 6,509,000 | 3,328,000
Mortgage-backed securities in government sponsored entities | 76,249,000 | 63,399,000
Other Assets [Abstract] |  |
Derivative instruments | 1,111,000 |
Liabilities [Abstract] |  |
Derivative instruments | (1,122,000) |
Recurring [Member] | Level I [Member] |  |
Assets [Abstract] |  |
Equity securities | 1,931,000 | 701,000
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 0 | 0
U.S. Treasuries securities | 28,043,000 | 27,661,000
Obligations of state and political subdivisions | 0 | 0
Corporate obligations | 0 | 0
Mortgage-backed securities in government sponsored entities | 0 | 0
Other Assets [Abstract] |  |
Derivative instruments | 0 |
Liabilities [Abstract] |  |
Derivative instruments | 0 |
Recurring [Member] | Level II [Member] |  |
Assets [Abstract] |  |
Equity securities | 0 | 0
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 81,416,000 | 84,863,000
U.S. Treasuries securities | 0 | 0
Obligations of state and political subdivisions | 102,972,000 | 61,455,000
Corporate obligations | 6,509,000 | 3,328,000
Mortgage-backed securities in government sponsored entities | 76,249,000 | 63,399,000
Other Assets [Abstract] |  |
Derivative instruments | 1,111,000 |
Liabilities [Abstract] |  |
Derivative instruments | (1,122,000) |
Recurring [Member] | Level III [Member] |  |
Assets [Abstract] |  |
Equity securities | 0 | 0
Available for sale securities [Abstract] |  |
U.S. Agency Securities | 0 | 0
U.S. Treasuries securities | 0 | 0
Obligations of state and political subdivisions | 0 | 0
Corporate obligations | 0 | 0
Mortgage-backed securities in government sponsored entities | 0 | 0
Other Assets [Abstract] |  |
Derivative instruments | 0 |
Liabilities [Abstract] |  |
Derivative instruments | 0 |
Nonrecurring [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 3,243,000 | 3,860,000
Other real estate owned | 1,700,000 | 3,299,000
Nonrecurring [Member] | Level I [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 0 | 0
Other real estate owned | 0 | 0
Nonrecurring [Member] | Level II [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 0 | 0
Other real estate owned | 0 | 0
Nonrecurring [Member] | Level III [Member] |  |
Fair value assets and liabilities measured on non-recurring basis [Abstract] |  |
Impaired Loans | 3,243,000 | 3,860,000
Other real estate owned | $ 1,700,000 | $ 3,299,000

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents corporate obligations issued debt securities. + References No definition available. + Details
Name: | czfs_CorporateObligationsFairValueDisclosure
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Refers to the estimated selling cost of impaired loans excluded from calculation of fair value. + References No definition available. + Details
Name: | czfs_ImpairedLoansEstimatedSellingCost
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents bonds or similar securities issued by state, city, province, or local governments or their agencies in either the United States or a foreign country. Debt securities issued by state governments or provinces may include bond issuances of US state or foreign authorities. Debt securities issued by political subdivisions or US states may include debt issuances by county, borough, city, or municipal governments. + References No definition available. + Details
Name: | czfs_ObligationsOfStateAndPoliticalSubdivisionsFairValueDisclosure
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents U.S. agency issued debt securities. + References No definition available. + Details
Name: | czfs_USAgencySecuritiesFairValueDisclosure
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents U.S. treasury issued debt securities. + References No definition available. + Details
Name: | czfs_USTreasuriesSecuritiesFairValueDislosure
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: 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=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: 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=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5162-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4437-111522 + Details
Name: | us-gaap_ForeclosedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |