XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Loans, Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | $ 11,190 | $ 8,886
Charge-offs | (116) | (119)
Recoveries | 13 | 23
Provision | 500 | 615
Balance at end of period | 11,587 | 9,405
Real Estate Loans [Member] | Residential [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 1,049 | 1,064
Charge-offs | (15) | (45)
Recoveries | 0 | 0
Provision | 43 | 23
Balance at end of period | 1,077 | 1,042
Real Estate Loans [Member] | Commercial [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 3,867 | 3,589
Charge-offs | 0 | (41)
Recoveries | 0 | 4
Provision | 139 | 113
Balance at end of period | 4,006 | 3,665
Real Estate Loans [Member] | Agricultural [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 3,143 | 1,494
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision | 197 | 458
Balance at end of period | 3,340 | 1,952
Real Estate Loans [Member] | Construction [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 23 | 47
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision | 16 | (1)
Balance at end of period | 39 | 46
Consumer [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 124 | 122
Charge-offs | (13) | (28)
Recoveries | 10 | 10
Provision | 2 | 19
Balance at end of period | 123 | 123
Other Commercial Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 1,272 | 1,327
Charge-offs | (45) | 0
Recoveries | 3 | 9
Provision | 43 | (121)
Balance at end of period | 1,273 | 1,215
Other Agricultural Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 492 | 312
Charge-offs | (43) | (5)
Recoveries | 0 | 0
Provision | 83 | (1)
Balance at end of period | 532 | 306
State and Political Subdivision Loans [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 816 | 833
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision | (27) | (9)
Balance at end of period | 789 | 824
Unallocated [Member] |  |
Financing Receivable, Allowance for Credit Losses [Roll Forward] |  |
Balance at beginning of period | 404 | 98
Charge-offs | 0 | 0
Recoveries | 0 | 0
Provision | 4 | 134
Balance at end of period | $ 408 | $ 232

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of direct write-downs of financing receivables charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related to estimated loss from loan and lease transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_ResidentialRealEstateMember
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=czfs_AgriculturalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czfs_ConstructionRealEstateLoansMember
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: |

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

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

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