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Subordinated Debentures Subordinated Debentures, Additional Information (Details) $ in Thousands | Mar. 31, 2019 USD ($)
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First Commonwealth Capital Trust II [Member] |
Debt Instrument [Line Items] |
Debt Issuance Costs, Gross | $ 630
First Commonwealth Bank 2028 [Member] |
Debt Instrument [Line Items] |
Debt Issuance Costs, Gross | 923
First Commonwealth Bank 2033 [Member] |
Debt Instrument [Line Items] |
Debt Issuance Costs, Gross | 1,051
First Commonwealth Capital Trust III [Member] |
Debt Instrument [Line Items] |
Debt Issuance Costs, Gross | $ 471

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- 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 Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
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- Details
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