Loans and Leases Receivable

No definition available.

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Namespace Prefix:	frme_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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://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

Reference 2: 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

Reference 3: 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

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-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=6379141&loc=d3e15032-111544

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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- Details

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Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_FinanceLeasesPortfolioSegmentMember
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Loans and Allowance - Allowance for Credit Losses and Loan Portfolio by Loan Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment	$ 888	$ 1,689
Allowance balances - Collectively evaluated for impairment	65,149	60,611
Allowance balances - Loans Acquired with Deteriorated Credit Quality		153
Total Allowance for Loan Losses	66,037	62,453	$ 63,964	$ 67,870
Loan balances - Individually evaluated for impairment	30,579	28,567
Loan balances - Collectively evaluated for impairment	5,065,844	4,595,698
Loans	5,139,645	4,693,822
Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality	43,222	69,557
Commercial
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment	37	1,277
Allowance balances - Collectively evaluated for impairment	27,659	25,201
Allowance balances - Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	27,696	26,478	28,824	27,176
Loan balances - Individually evaluated for impairment	4,762	7,877
Loan balances - Collectively evaluated for impairment	1,520,981	1,298,988
Loans	1,532,396	1,314,174
Commercial \| Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality	6,653	7,309
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment	553	243
Allowance balances - Collectively evaluated for impairment	23,108	21,753
Allowance balances - Loans Acquired with Deteriorated Credit Quality		149
Total Allowance for Loan Losses	23,661	22,145	19,327	23,102
Loan balances - Individually evaluated for impairment	21,358	16,670
Loan balances - Collectively evaluated for impairment	2,315,686	2,096,089
Loans	2,371,765	2,169,625
Commercial Real Estate \| Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality	34,721	56,866
Consumer
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment
Allowance balances - Collectively evaluated for impairment	2,923	2,689
Allowance balances - Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	2,923	2,689	2,658	2,515
Loan balances - Individually evaluated for impairment	9
Loan balances - Collectively evaluated for impairment	77,470	74,717
Loans	77,479	74,717
Consumer \| Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality
Residential
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment	298	169
Allowance balances - Collectively evaluated for impairment	11,457	10,966
Allowance balances - Loans Acquired with Deteriorated Credit Quality		4
Total Allowance for Loan Losses	11,755	11,139	13,152	15,077
Loan balances - Individually evaluated for impairment	4,450	4,020
Loan balances - Collectively evaluated for impairment	1,151,396	1,125,316
Loans	1,157,694	1,134,718
Residential \| Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality	1,848	5,382
Finance Leases
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance balances - Individually evaluated for impairment
Allowance balances - Collectively evaluated for impairment	2	2
Allowance balances - Loans Acquired with Deteriorated Credit Quality
Total Allowance for Loan Losses	2	2	$ 3
Loan balances - Individually evaluated for impairment
Loan balances - Collectively evaluated for impairment	311	588
Loans	311	588
Finance Leases \| Loans acquired with deteriorated credit quality
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan balances - Loans Acquired with Deteriorated Credit Quality