XML 111 R97.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value of Financial Instruments - Financial Assets Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | $ 196,398 | $ 218,527
U.S. Treasury [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 20,978 | 24,775
U.S. Government Agencies [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 80,466 | 82,474
Mortgage-backed Securities [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 39,510 | 48,461
State and Local Governments [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 55,444 | 62,817
Level 1 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 20,978 | 24,775
Level 1 [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 20,978 | 24,775
Level 1 [Member] | U.S. Treasury [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 20,978 | 24,775
Level 2 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 173,992 | 192,334
Level 2 [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 173,992 | 192,334
Level 2 [Member] | U.S. Government Agencies [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 80,466 | 82,474
Level 2 [Member] | Mortgage-backed Securities [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 39,510 | 48,461
Level 2 [Member] | State and Local Governments [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 54,016 | 61,399
Level 3 [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 1,428 | 1,418
Level 3 [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | 1,428 | 1,418
Level 3 [Member] | State and Local Governments [Member] | Fair Value on a Recurring Basis [Member] |  |
Fair Value Inputs, Assets, Quantitative Information [Line Items] |  |
Total Securities Available for Sale | $ 1,428 | $ 1,418

X
- Definition Amount of debt securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -Subparagraph (b)-(g) -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
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_FairValueInputsAssetsQuantitativeInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
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_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
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: |