XML 71 R53.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Loans (Schedule of the Aging of Loans by Loan Categories) (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual | $ 245 | $ 3,135
Total Loans | 664,866 | 659,055
Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  |
Total Loans | 214,767 | 193,430
Real Estate Commercial Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual | 245 | 3,032
Total Loans | 104,779 | 108,836
Real Estate Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  |
Total Loans | 6,325 | 1,182
Real Estate Church Related Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  | 103
Total Loans | 321,168 | 306,728
Real Estate Church Related Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  |
Total Loans | 11,152 | 28,957
Industrial Revenue Bonds [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  |
Total Loans | 6,639 | 19,831
Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non Accrual |  |
Total Loans | 36 | 91
Current [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 664,609 | 655,920
Current [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 214,767 | 193,430
Current [Member] | Real Estate Commercial Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 104,534 | 105,804
Current [Member] | Real Estate Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 6,325 | 1,182
Current [Member] | Real Estate Church Related Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 321,168 | 306,625
Current [Member] | Real Estate Church Related Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 11,152 | 28,957
Current [Member] | Industrial Revenue Bonds [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 6,639 | 19,831
Current [Member] | Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 24 | 91
30-59 Days [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 12 |
30-59 Days [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Real Estate Commercial Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Real Estate Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Real Estate Church Related Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Real Estate Church Related Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Industrial Revenue Bonds [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
30-59 Days [Member] | Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans | 12 |
60-89 Days [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Real Estate Commercial Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Real Estate Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Real Estate Church Related Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Real Estate Church Related Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Industrial Revenue Bonds [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
60-89 Days [Member] | Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Real Estate Commercial Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Real Estate Commercial Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Real Estate Church Related Mortgage [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Real Estate Church Related Construction [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Industrial Revenue Bonds [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |
90 Days and over [Member] | Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans |  |

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded Investment in financing receivables that are past due at the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition An amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money within one year from the balance sheet date (or the normal operating cycle, whichever is longer), net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4531-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 + Details
Name: | us-gaap_NotesAndLoansReceivableNetCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables1To29DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |