XML 63 R53.htm IDEA: XBRL DOCUMENT v3.21.2

Loans and Leases - Information Regarding Troubled Debt Restructurings (Details) - Non-Covered Loans - USD ($) $ in Millions		Sep. 30, 2021	Dec. 31, 2020
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		$ 33	$ 34
Multi-Family
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		7
Commercial Real Estate
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		19	15
Commercial and Industrial
Financing Receivable Modifications [Line Items]
Troubled debt restructurings	[1]	7	19
Accruing
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		16	15
Accruing | Commercial Real Estate
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		16	15
Non-Accrual
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		17	19
Non-Accrual | Multi-Family
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		7
Non-Accrual | Commercial Real Estate
Financing Receivable Modifications [Line Items]
Troubled debt restructurings		3
Non-Accrual | Commercial and Industrial
Financing Receivable Modifications [Line Items]
Troubled debt restructurings	[1]	$ 7	$ 19
[1] Includes $7 million and $18 million of taxi medallion-related loans at September 30, 2021 and December 31, 2020, respectively

X

- 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

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

+ Details

Name:	us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=nycb_NonCoveredLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=srt_MultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=nycb_AccrualLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=nycb_NonAccrualLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: