XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Loans - Analysis of Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | $ 6,712 | $ 6,128 | $ 6,265 | $ 6,112 | $ 6,112
Charge Offs | (218) | (177) | (476) | (798) | (1,030)
Recoveries | 29 | 172 | 107 | 518 | 557
Provision (Credit) | 308 | 243 | 924 | 540 |
Other Non-interest expense related to unfunded | 8 | (5) | 19 | (11) |
Ending Balance | 6,839 | 6,361 | 6,839 | 6,361 | 6,265
Ending balance: individually evaluated for impairment | 125 | 465 | 125 | 465 |
Ending balance: collectively evaluated for impairment | 6,714 | 5,896 | 6,714 | 5,896 |
Ending balance: loans acquired with deteriorated credit quality | 1 | 1 | 1 | 1 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 738,682 | 635,239 | 738,682 | 635,239 | 685,878
Ending balance: individually evaluated for impairment | 1,406 | 2,541 | 1,406 | 2,541 |
Ending balance: collectively evaluated for impairment | 737,276 | 632,698 | 737,276 | 632,698 |
Agricultural Real Estate [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 229 | 189 | 211 | 184 | 184
Provision (Credit) | 5 | 7 | 23 | 12 |
Ending Balance | 234 | 196 | 234 | 196 | 211
Ending balance: collectively evaluated for impairment | 234 | 196 | 234 | 196 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 60,162 | 54,995 | 60,162 | 54,995 | 58,463
Ending balance: individually evaluated for impairment | 132 | 222 | 132 | 222 |
Ending balance: collectively evaluated for impairment | 60,030 | 54,773 | 60,030 | 54,773 |
Agricultural [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 591 | 519 | 582 | 547 | 547
Charge Offs | (3) |  | (21) |  |
Recoveries | 4 | 61 | 9 | 64 |
Provision (Credit) | (12) | (60) | 10 | (91) |
Ending Balance | 580 | 520 | 580 | 520 | 582
Ending balance: collectively evaluated for impairment | 580 | 520 | 580 | 520 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 79,332 | 73,310 | 79,332 | 73,310 | 82,762
Ending balance: collectively evaluated for impairment | 79,332 | 73,310 | 79,332 | 73,310 |
Commercial And Industrial and Industrial Development Bonds [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 1,215 | 1,288 | 1,229 | 1,421 | 1,421
Charge Offs |  | (79) | (20) | (468) |
Recoveries | 3 | 66 | 8 | 88 |
Provision (Credit) | (23) | (125) | (22) | 109 |
Ending Balance | 1,195 | 1,150 | 1,195 | 1,150 | 1,229
Ending balance: individually evaluated for impairment | 22 | 188 | 22 | 188 |
Ending balance: collectively evaluated for impairment | 1,173 | 962 | 1,173 | 962 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 111,953 | 91,114 | 111,953 | 91,114 | 106,689
Ending balance: individually evaluated for impairment | 118 | 771 | 118 | 771 |
Ending balance: collectively evaluated for impairment | 111,835 | 90,343 | 111,835 | 90,343 |
Unfunded Loan Commitment & Letters of Credit [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 219 | 201 | 208 | 207 | 207
Other Non-interest expense related to unfunded | 8 | (5) | 19 | (11) |
Ending Balance | 227 | 196 | 227 | 196 | 208
Ending balance: collectively evaluated for impairment | 227 | 196 | 227 | 196 |
Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |  |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance: loans acquired with deteriorated credit quality | 265 | 512 | 265 | 512 |
Consumer Real Estate [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 413 | 309 | 338 | 537 | 537
Charge Offs | (42) |  | (106) |  |
Recoveries | 1 | 12 | 23 | 39 |
Provision (Credit) | (86) | 32 | 31 | (223) |
Ending Balance | 286 | 353 | 286 | 353 | 338
Ending balance: individually evaluated for impairment | 35 | 76 | 35 | 76 |
Ending balance: collectively evaluated for impairment | 251 | 277 | 251 | 277 |
Ending balance: loans acquired with deteriorated credit quality | 1 | 1 | 1 | 1 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 86,898 | 88,020 | 86,898 | 88,020 | 87,947
Ending balance: individually evaluated for impairment | 712 | 506 | 712 | 506 |
Ending balance: collectively evaluated for impairment | 86,186 | 87,514 | 86,186 | 87,514 |
Consumer Real Estate [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |  |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance: loans acquired with deteriorated credit quality | 265 | 512 | 265 | 512 |
Commercial Real Estate [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 2,717 | 2,286 | 2,516 | 2,367 | 2,367
Charge Offs | (90) | (25) | (93) | (111) |
Recoveries | 2 | 1 | 7 | 203 |
Provision (Credit) | 376 | 144 | 575 | (53) |
Ending Balance | 3,005 | 2,406 | 3,005 | 2,406 | 2,516
Ending balance: individually evaluated for impairment | 68 | 201 | 68 | 201 |
Ending balance: collectively evaluated for impairment | 2,937 | 2,205 | 2,937 | 2,205 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 369,721 | 301,342 | 369,721 | 301,342 | 322,230
Ending balance: individually evaluated for impairment | 444 | 1,042 | 444 | 1,042 |
Ending balance: collectively evaluated for impairment | 369,277 | 300,300 | 369,277 | 300,300 |
Consumer [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 365 | 309 | 337 | 323 | 323
Charge Offs | (83) | (73) | (236) | (219) |
Recoveries | 19 | 32 | 60 | 124 |
Provision (Credit) | 59 | 56 | 199 | 96 |
Ending Balance | 360 | 324 | 360 | 324 | 337
Ending balance: collectively evaluated for impairment | 360 | 324 | 360 | 324 |
FINANCING RECEIVABLES: |  |  |  |  |
Ending balance | 30,616 | 26,458 | 30,616 | 26,458 | 27,787
Ending balance: collectively evaluated for impairment | 30,616 | 26,458 | 30,616 | 26,458 |
Unallocated [Member] |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES: |  |  |  |  |
Beginning balance | 963 | 1,027 | 844 | 526 | 526
Provision (Credit) | (11) | 189 | 108 | 690 |
Ending Balance | 952 | 1,216 | 952 | 1,216 | $ 844
Ending balance: collectively evaluated for impairment | $ 952 | $ 1,216 | $ 952 | $ 1,216 |

X
- Definition Allowance For Credit Losses [Abstract] + References No definition available. + Details
Name: | fmao_AllowanceForCreditLossesAbstract
Namespace Prefix: | fmao_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable allowance for credit losses acquired with deteriorated credit quality ending period. + References No definition available. + Details
Name: | fmao_FinancingReceivableAllowanceForCreditLossesAcquiredWithDeterioratedCreditQualityEndingPeriod
Namespace Prefix: | fmao_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivables [Abstract] + References No definition available. + Details
Name: | fmao_FinancingReceivablesAbstract
Namespace Prefix: | fmao_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other non interest Income expense (recovery) related to unfunded. + References No definition available. + Details
Name: | fmao_OtherNonInterestIncomeExpenseRecoveryRelatedToUnfunded
Namespace Prefix: | fmao_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense related to estimated loss and recoveries from loan and lease transactions. + References No definition available. + Details
Name: | fmao_ProvisionForLoanAndLeaseLossesAndRecoveries
Namespace Prefix: | fmao_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + 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=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + 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=66008989&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + 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 (h) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: 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 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

X
- Details
Name: | us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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