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Regulatory Requirements (Tables)

12 Months Ended

Dec. 31, 2021

Regulatory Requirements [Abstract]

Bank's Regulatory Capital Amounts And Ratios Compared To Regulatory Requirements

The following is a summary of Northfield Bank’s regulatory capital amounts and ratios compared to the regulatory requirements as of December 31, 2021 and 2020, for classification as a well-capitalized institution and minimum capital (dollars in thousands):

																											For Well
															For Capital												Capitalized
															Adequacy												Under Prompt Corrective
			Actual												Purposes												Action Provisions
			Amount						Ratio						Amount						Ratio						Amount						Ratio
As of December 31, 2021:
CBLR			$	659,522					12.24		%				$	457,872					8.50		%				$	457,872					8.50		%
As of December 31, 2020:
CBLR			$	656,324					11.96		%				$	439,124					8.00		%				$	439,124					8.00		%

The following is a summary of the Company's regulatory capital amounts and ratios compared to the regulatory requirements as of December 31, 2021 and 2020, for classification as well-capitalized and minimum capital (dollars in thousands).

																											For Well
															For Capital												Capitalized
															Adequacy												Under Prompt Corrective
			Actual												Purposes												Action Provisions
			Amount						Ratio						Amount						Ratio						Amount						Ratio
As of December 31, 2021:
CBLR			$	696,368					12.93		%				$	457,751					8.50		%				$	457,751					8.50		%
As of December 31, 2020:
CBLR			$	698,864					12.73		%				$	439,219					8.00		%				$	439,219					8.00		%

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- Definition

Regulatory Capital Requirements under Banking Regulations [Abstract]

+ References

No definition available.

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- 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://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

Reference 2: 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

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