XML 58 R48.htm IDEA: XBRL DOCUMENT
v3.19.1

Loans and Allowance - Allowance for Credit Losses and Loan Portfolio by Loan Segment (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Allowance Balances: |  |  |  |
Individually evaluated for impairment | $ 1,599 | $ 1,872 |  |
Collectively evaluated for impairment | 79,303 | 78,680 |  |
Total Allowance for Loan Losses | 80,902 | 80,552 | $ 76,420 | $ 75,032
Loan Balance [Abstract] |  |  |  |
Individually evaluated for impairment | 23,887 | 22,025 |  |
Collectively evaluated for impairment | 7,259,865 | 7,186,658 |  |
Loans | 7,299,320 | 7,224,467 |  |
Loans acquired with deteriorated credit quality |  |  |  |
Loan Balance [Abstract] |  |  |  |
Loans | 15,568 | 15,784 |  |
Commercial |  |  |  |
Allowance Balances: |  |  |  |
Individually evaluated for impairment | 1,172 | 0 |  |
Collectively evaluated for impairment | 31,897 | 32,657 |  |
Total Allowance for Loan Losses | 33,069 | 32,657 | 30,770 | 30,420
Loan Balance [Abstract] |  |  |  |
Individually evaluated for impairment | 4,889 | 1,838 |  |
Collectively evaluated for impairment | 2,289,661 | 2,248,330 |  |
Loans | 2,296,929 | 2,252,270 |  |
Commercial | Loans acquired with deteriorated credit quality |  |  |  |
Loan Balance [Abstract] |  |  |  |
Loans | 2,379 | 2,102 |  |
Commercial Real Estate |  |  |  |
Allowance Balances: |  |  |  |
Individually evaluated for impairment | 6 | 1,435 |  |
Collectively evaluated for impairment | 29,428 | 28,174 |  |
Total Allowance for Loan Losses | 29,434 | 29,609 | 27,705 | 27,343
Loan Balance [Abstract] |  |  |  |
Individually evaluated for impairment | 16,667 | 17,756 |  |
Collectively evaluated for impairment | 3,352,381 | 3,347,686 |  |
Loans | 3,381,299 | 3,377,831 |  |
Commercial Real Estate | Loans acquired with deteriorated credit quality |  |  |  |
Loan Balance [Abstract] |  |  |  |
Loans | 12,251 | 12,389 |  |
Consumer |  |  |  |
Allowance Balances: |  |  |  |
Individually evaluated for impairment | 1 | 1 |  |
Collectively evaluated for impairment | 4,025 | 3,963 |  |
Total Allowance for Loan Losses | 4,026 | 3,964 | 3,896 | 3,732
Loan Balance [Abstract] |  |  |  |
Individually evaluated for impairment | 15 | 18 |  |
Collectively evaluated for impairment | 108,201 | 99,770 |  |
Loans | 108,216 | 99,788 |  |
Residential |  |  |  |
Allowance Balances: |  |  |  |
Individually evaluated for impairment | 420 | 436 |  |
Collectively evaluated for impairment | 13,953 | 13,886 |  |
Total Allowance for Loan Losses | 14,373 | 14,322 | $ 14,049 | $ 13,537
Loan Balance [Abstract] |  |  |  |
Individually evaluated for impairment | 2,316 | 2,413 |  |
Collectively evaluated for impairment | 1,509,622 | 1,490,872 |  |
Loans | 1,512,876 | 1,494,578 |  |
Residential | Loans acquired with deteriorated credit quality |  |  |  |
Loan Balance [Abstract] |  |  |  |
Loans | $ 938 | $ 1,293 |  |

X
- Definition Allowance Balances [Abstract] + References No definition available. + Details
Name: | frme_AllowanceBalancesAbstract
Namespace Prefix: | frme_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loan Balance [Abstract] + References No definition available. + Details
Name: | frme_LoanBalanceAbstract
Namespace Prefix: | frme_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans and Leases Receivable + References No definition available. + Details
Name: | frme_LoansAndLeasesReceivable
Namespace Prefix: | frme_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&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 of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
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_ConsumerLoanMember
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: |