Capital conservation buffer.

No definition available.

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- Definition

Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

+ Details

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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.

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- Definition

Ratio of Tier 1 leverage capital to average assets exceeding minimum required for capital adequacy as defined by regulatory framework.

+ References

+ Details

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=121583591&loc=SL98516268-108586

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-Publisher FASB
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3044-108585

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Balance Type:	debit
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- Definition

Ratio of minimum tangible capital to tangible assets required for capital adequacy as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826

+ Details

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- Definition

Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.

+ References

+ Details

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- Definition

Ratio of Tier 1 capital to average assets as defined by regulatory framework.

+ References

+ Details

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- Definition

Amount of Tier 1 risk-based capital as defined by regulatory framework.

+ References

+ Details

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- Definition

Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

+ References

+ Details

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- Definition

Amount of Tier 2 risk-based capital as defined by regulatory framework.

+ References

+ Details

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Regulatory Matters (Narrative) (Details) $ in Millions	12 Months Ended
Regulatory Matters (Narrative) (Details) $ in Millions	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019
Federal Reserve Bank Of New York [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Reserve requirement		$ 6.4
Subordinated Notes Due April 15, 2030 [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 2 capital	$ 73.6
Preferred Equity [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Tier 1 capital	$ 17.3
Fully Phased-in [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital Conservation Buffer	2.5
Phase-in Schedule [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital Conservation Buffer	0.625
Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
CET1 capital, For Capital Adequacy Purposes, Ratio	4.5
Tier 1 capital, For Capital Adequacy Purposes, Ratio	6.0
Total risk-based capital, For Capital Adequacy Purposes, Ratio	8.0
Minimum [Member] \| Fully Phased-in [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
CET1 capital, For Capital Adequacy Purposes, Ratio	7.0
Tier 1 capital, For Capital Adequacy Purposes, Ratio	8.5
Total risk-based capital, For Capital Adequacy Purposes, Ratio	10.5
Tier 1 leverage, For Capital Adequacy Purposes, Ratio	4.0
Community Bank Leverage Ratio [Member] \| Bank Maintains More Than Community Bank Leverage Ratio Percent [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of adequate CBLR to be maintained for qualifying and not qualifying community banking organizations			9.0
Community Bank Leverage Ratio [Member] \| Bank Does Not Maintain More Than Community Bank Leverage Ratio Percent [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of adequate CBLR to be maintained for qualifying and not qualifying community banking organizations			9.0
Community Bank Leverage Ratio [Member] \| Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of community bank leverage ratio	8.0
Community Bank Leverage Ratio [Member] \| Maximum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Percentage of community bank leverage ratio	10.0