XML 57 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1

Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2018

Regulatory Matters [Abstract]

Actual And Required Capital Ratios

The following table presents actual and required capital ratios as of December 31, 2018 and 2017 for the Company and the Bank under the Basel III Capital Rules. The minimum required capital amounts presented include the minimum required capital levels as of December 31, 2018 based on the phase-in provisions of the Basel III Capital Rules and the minimum required capital levels as of January 1, 2019 when the Basel III Capital Rules have been fully phased-in. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules (in thousands):

		Actual								Minimum Capital Required – Basel III Phase-in Schedule								Minimum Capital Required – Basel III Fully Phased-in								Required to be Considered Well Capitalized
		Amount				Ratio				Amount				Ratio				Amount				Ratio				Amount				Ratio
2018
Tier 1 leverage:
Company		$	344,283				8.16	%		$	168,759				4.00	%		$	168,759				4.00	%		$	210,949				5.00	%
Bank			372,939				8.86				168,335				4.00				168,335				4.00				210,419				5.00
CET1 capital:
Company			326,955				9.70				214,936				6.38				236,008				7.00				219,150				6.50
Bank			372,939				11.09				214,286				6.38				235,294				7.00				218,488				6.50
Tier 1 capital:
Company			344,283				10.21				265,509				7.88				286,581				8.50				269,723				8.00
Bank			372,939				11.09				264,706				7.88				285,715				8.50				268,908				8.00
Total capital:
Company			417,399				12.38				332,940				9.88				354,012				10.50				337,154				10.00
Bank			406,853				12.10				331,933				9.88				352,942				10.50				336,135				10.00
2017
Tier 1 leverage:
Company		$	322,680				8.13	%		$	158,710				4.00	%		$	158,710				4.00	%		$	198,387				5.00	%
Bank			346,532				8.75				158,372				4.00				158,372				4.00				197,965				5.00
CET1 capital:
Company			305,351				10.16				172,825				5.75				210,396				7.00				195,368				6.50
Bank			346,532				11.57				172,224				5.75				209,664				7.00				194,688				6.50
Tier 1 capital:
Company			322,680				10.74				217,910				7.25				255,481				8.50				240,452				8.00
Bank			346,532				11.57				217,152				7.25				254,592				8.50				239,616				8.00
Total capital:
Company			396,483				13.19				278,023				9.25				315,594				10.50				300,565				10.00
Bank			381,204				12.73				277,056				9.25				314,496				10.50				299,520				10.00

X

- Definition

Regulatory Matters [Abstract]

+ References

No definition available.

+ Details

Name:	fisi_RegulatoryMattersAbstract
Namespace Prefix:	fisi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1G
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826

+ Details

Name:	us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration