XML 46 R72.htm IDEA: XBRL DOCUMENT v2.4.1.9

Segment Reporting (Business Segment Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Net interest income	$ 23,147us-gaap_InterestIncomeExpenseNet	$ 23,275us-gaap_InterestIncomeExpenseNet
Provision for loan losses	(2,741)us-gaap_ProvisionForLoanAndLeaseLosses	(2,106)us-gaap_ProvisionForLoanAndLeaseLosses
Noninterest income	8,297us-gaap_NoninterestIncome	6,357us-gaap_NoninterestIncome
Noninterest expense	(19,011)us-gaap_NoninterestExpense	(17,213)us-gaap_NoninterestExpense
Income before income taxes	9,692us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	10,313us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax (expense) benefit	(2,891)us-gaap_IncomeTaxExpenseBenefit	(3,094)us-gaap_IncomeTaxExpenseBenefit
Net income	6,801us-gaap_ProfitLoss	7,219us-gaap_ProfitLoss
Banking [Member]
Segment Reporting Information [Line Items]
Net interest income	23,147us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Provision for loan losses	(2,741)us-gaap_ProvisionForLoanAndLeaseLosses / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Noninterest income	6,831us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Noninterest expense	(17,279)us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Income before income taxes	9,958us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Income tax (expense) benefit	(2,949)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Net income	7,009us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = fisi_BankingSegmentMember
Insurance [Member]
Segment Reporting Information [Line Items]
Noninterest income	1,593us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = fisi_InsuranceSegmentMember
Noninterest expense	(1,187)us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = fisi_InsuranceSegmentMember
Income before income taxes	406us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = fisi_InsuranceSegmentMember
Income tax (expense) benefit	(159)us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = fisi_InsuranceSegmentMember
Net income	247us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = fisi_InsuranceSegmentMember
Holding Company and Other [Member]
Segment Reporting Information [Line Items]
Noninterest income	(127)us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = fisi_HoldingCompanyAndOtherSegmentMember
Noninterest expense	(545)us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = fisi_HoldingCompanyAndOtherSegmentMember
Income before income taxes	(672)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = fisi_HoldingCompanyAndOtherSegmentMember
Income tax (expense) benefit	217us-gaap_IncomeTaxExpenseBenefit / us-gaap_StatementBusinessSegmentsAxis = fisi_HoldingCompanyAndOtherSegmentMember
Net income	$ (455)us-gaap_ProfitLoss / us-gaap_StatementBusinessSegmentsAxis = fisi_HoldingCompanyAndOtherSegmentMember

X

- Definition

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

The net amount of operating interest income (expense).

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- Definition

Total aggregate amount of all noninterest expense.

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Amount of expense related to estimated loss from loan and lease transactions.

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