XML 39 R64.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Information Regarding Troubled Debt Restructurings (Detail) - Non-Covered Loans - USD ($) $ in Thousands		Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		$ 40,499	$ 34,881
Multi-Family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		3,577	4,220
Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0
One-to-four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		584	1,022
Acquisition, development, and construction
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		389	8,297
Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	[1]	35,949	21,342
Accruing
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		1,254	9,162
Accruing | Multi-Family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0	0
Accruing | Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0	0
Accruing | One-to-four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0	0
Accruing | Acquisition, development, and construction
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		389	8,297
Accruing | Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	[1]	865	865
Non-Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		39,245	25,719
Non-Accrual | Multi-Family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		3,577	4,220
Non-Accrual | Commercial Real Estate
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0	0
Non-Accrual | One-to-four family
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		584	1,022
Non-Accrual | Acquisition, development, and construction
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings		0	0
Non-Accrual | Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Troubled debt restructurings	[1]	$ 35,084	$ 20,477
[1] Includes $00.0 million and $20.4 million of taxi medallion-related loans at December 31, 2019 and 2018, 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=118936363&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=118939409&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=nycb_OneToFourFamilyMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=nycb_AcquisitionDevelopmentAndConstructionMortgageLoansMember
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: