XML 71 R60.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Loans and Allowance for Credit Losses - Troubled Debt Restructurings Identified During Period (Detail) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 USD ($) Contract | Jun. 30, 2016 USD ($) Contract | Jun. 30, 2017 USD ($) Contract | Jun. 30, 2016 USD ($) Contract
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | Contract | 13 | 27 | 26 | 42
Total Pre-Modification Outstanding Recorded Investment | $ 8,794 | $ 2,982 | $ 9,611 | $ 7,960
Post- Modification Outstanding Recorded Investment | $ 6,659 | $ 2,833 | $ 7,419 | $ 7,405
Financing Receivable, Modifications, Determination of Allowance for Credit Losses | 964000 | 114000 | 964000 | 114000
Commercial, financial, agricultural and other [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | Contract | 3 | 4 | 4 | 5
Total Pre-Modification Outstanding Recorded Investment | $ 8,513 | $ 332 | $ 8,554 | $ 4,101
Post- Modification Outstanding Recorded Investment | $ 6,385 | $ 217 | $ 6,422 | $ 3,708
Financing Receivable, Modifications, Determination of Allowance for Credit Losses | 960 | 40 | 960 | 40
Residential real estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | Contract | 5 | 17 | 12 | 26
Total Pre-Modification Outstanding Recorded Investment | $ 193 | $ 1,435 | $ 729 | $ 2,530
Post- Modification Outstanding Recorded Investment | $ 189 | $ 1,428 | $ 683 | $ 2,440
Financing Receivable, Modifications, Determination of Allowance for Credit Losses | 4 | 0 | 4 | 0
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | Contract | 1 | 4 | 3 | 6
Total Pre-Modification Outstanding Recorded Investment | $ 68 | $ 1,198 | $ 263 | $ 1,289
Post- Modification Outstanding Recorded Investment | $ 68 | $ 1,173 | $ 258 | $ 1,227
Financing Receivable, Modifications, Determination of Allowance for Credit Losses | 0 | 74 | 0 | 74
Loans to individuals [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Contracts | Contract | 4 | 2 | 7 | 5
Total Pre-Modification Outstanding Recorded Investment | $ 20 | $ 17 | $ 65 | $ 40
Post- Modification Outstanding Recorded Investment | $ 17 | $ 15 | $ 56 | $ 30
Financing Receivable, Modifications, Determination of Allowance for Credit Losses | 0 | 0 | 0 | 0
Extended Maturity [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | $ 6,768 | $ 1,290 | $ 7,076 | $ 1,356
Extended Maturity [Member] | Commercial, financial, agricultural and other [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 6,768 | 92 | 6,768 | 92
Extended Maturity [Member] | Residential real estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 0 | 0 | 129 | 0
Extended Maturity [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 0 | 1,198 | 179 | 1,264
Extended Maturity [Member] | Loans to individuals [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Contractual Interest Rate Reduction [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 1,833 | 251 | 1,990 | 4,152
Contractual Interest Rate Reduction [Member] | Commercial, financial, agricultural and other [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 1,745 | 240 | 1,786 | 4,009
Contractual Interest Rate Reduction [Member] | Residential real estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 85 | 0 | 187 | 114
Contractual Interest Rate Reduction [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Contractual Interest Rate Reduction [Member] | Loans to individuals [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 3 | 11 | 17 | 29
Contractual Payment Modification [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 193 | 1,441 | 545 | 2,452
Contractual Payment Modification [Member] | Commercial, financial, agricultural and other [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 0 | 0 | 0 | 0
Contractual Payment Modification [Member] | Residential real estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 108 | 1,435 | 413 | 2,416
Contractual Payment Modification [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | 68 | 0 | 84 | 25
Contractual Payment Modification [Member] | Loans to individuals [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Total Pre-Modification Outstanding Recorded Investment | $ 17 | $ 6 | $ 48 | $ 11

X
- Definition Description of how troubled debt restructurings that occurred during the period are factored into the determination of the allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsDeterminationOfAllowanceForCreditLosses1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

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

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=fcf_ContractualPaymentModificationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |