XML 48 R39.htm IDEA: XBRL DOCUMENT
v3.23.3

Acquisition of HV Bancorp, Inc., Fair Value of Acquired PCD and Non-PCD Loans (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jun. 16, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans |  | $ 0 | $ 0 | $ 4,591 | $ 0
Merger and acquisition |  | $ 623 | $ 0 | $ 9,269 | $ 0
HV Bancorp, Inc. [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Loans acquired | $ 506,900 |  |  |  |
HV Bancorp, Inc. [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Loans acquired | $ 18,000 |  |  |  |
Loans acquired percentage | 3.60% |  |  |  |
Unpaid principal balance | $ 18,041 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (1,689) |  |  |  |
(Discount) Premium on Acquired Loans | (1,123) |  |  |  |
Fair Value of Loans at Acquisition | 15,229 |  |  |  |
HV Bancorp, Inc. [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 488,852 |  |  |  |
(Discount) Premium on Acquired Loans | (28,743) |  |  |  |
Fair Value of Loans at Acquisition | 460,109 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 4,591 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Mortgages [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 2,398 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (108) |  |  |  |
(Discount) Premium on Acquired Loans | 0 |  |  |  |
Fair Value of Loans at Acquisition | 2,290 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Mortgages [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 155,799 |  |  |  |
(Discount) Premium on Acquired Loans | (17,506) |  |  |  |
Fair Value of Loans at Acquisition | 138,293 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 1,015 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Home Equity [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 34 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | 0 |  |  |  |
(Discount) Premium on Acquired Loans | (4) |  |  |  |
Fair Value of Loans at Acquisition | 30 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Home Equity [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 2,165 |  |  |  |
(Discount) Premium on Acquired Loans | (55) |  |  |  |
Fair Value of Loans at Acquisition | 2,110 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 15 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Commercial [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 4,774 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (39) |  |  |  |
(Discount) Premium on Acquired Loans | (507) |  |  |  |
Fair Value of Loans at Acquisition | 4,228 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Commercial [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 203,638 |  |  |  |
(Discount) Premium on Acquired Loans | (9,226) |  |  |  |
Fair Value of Loans at Acquisition | 194,412 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 1,968 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Construction [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 4,278 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (37) |  |  |  |
(Discount) Premium on Acquired Loans | (293) |  |  |  |
Fair Value of Loans at Acquisition | 3,948 |  |  |  |
HV Bancorp, Inc. [Member] | Real Estate Loans [Member] | Construction [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 76,703 |  |  |  |
(Discount) Premium on Acquired Loans | (1,420) |  |  |  |
Fair Value of Loans at Acquisition | 75,283 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 747 |  |  |  |
HV Bancorp, Inc. [Member] | Consumer [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 1,343 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (677) |  |  |  |
(Discount) Premium on Acquired Loans | (271) |  |  |  |
Fair Value of Loans at Acquisition | 395 |  |  |  |
HV Bancorp, Inc. [Member] | Consumer [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 2,794 |  |  |  |
(Discount) Premium on Acquired Loans | (222) |  |  |  |
Fair Value of Loans at Acquisition | 2,572 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | 159 |  |  |  |
HV Bancorp, Inc. [Member] | Other Commercial Loans [Member] | PCD Acquired Loans [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 5,214 |  |  |  |
PCD Allowance for Credit Loss at Acquisition | (828) |  |  |  |
(Discount) Premium on Acquired Loans | (48) |  |  |  |
Fair Value of Loans at Acquisition | 4,338 |  |  |  |
HV Bancorp, Inc. [Member] | Other Commercial Loans [Member] | Acquisition Day 1 Non-PCD [Member] |  |  |  |  |
Accounting for Acquired Loans [Abstract] |  |  |  |  |
Unpaid principal balance | 47,753 |  |  |  |
(Discount) Premium on Acquired Loans | (314) |  |  |  |
Fair Value of Loans at Acquisition | 47,439 |  |  |  |
Day 1 Provision for Credit Losses- Non-PCD Loans | $ 687 |  |  |  |

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

X
- Definition The balance of financing receivables that were acquired. + References No definition available. + Details
Name: | czfs_FinancingReceivableLoansAcquired
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of loans acquired. + References No definition available. + Details
Name: | czfs_FinancingReceivableLoansAcquiredPercentage
Namespace Prefix: | czfs_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense related to estimated loss from loan and lease transactions for non-purchase credit deteriorated. + References No definition available. + Details
Name: | czfs_ProvisionForLoanAndLeaseLossesNonPurchaseCreditDeteriorated
Namespace Prefix: | czfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
Name: | us-gaap_BusinessCombinationAcquiredReceivablesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479405/805-10-25-23 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-19 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-19 + Details
Name: | us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-15 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=czfs_HVBancorpIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredAndNoCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=czfs_RealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |