XML 77 R62.htm IDEA: XBRL DOCUMENT
v3.20.4

Loans and Leases - Schedule of Credit Quality Indicator, Loan Class and Year of Origination the Amortized Cost Basis of Loans And Leases (Details) $ in Thousands | Dec. 31, 2020 USD ($)
--- | ---
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | $ 42,883,598
Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 39,426,187
Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,457,411
Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 37,443,813
Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,428,351
Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,228,338
Special Mention | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 2,842
Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 754,036
Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 26,218
2020 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 10,798,441
2020 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 9,832,498
2020 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 965,943
2020 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 9,819,431
2020 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 962,956
2020 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 13,067
2020 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 2,987
2019 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 7,720,394
2019 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,957,848
2019 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 762,546
2019 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,719,587
2019 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 757,220
2019 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 116,400
2019 | Special Mention | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 42
2019 | Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 121,861
2019 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 5,284
2018 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,523,263
2018 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 6,340,027
2018 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 183,236
2018 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 5,986,476
2018 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 180,133
2018 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 176,428
2018 | Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 177,123
2018 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,103
2017 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 4,708,513
2017 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 4,485,992
2017 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 222,521
2017 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 4,260,433
2017 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 209,963
2017 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 164,635
2017 | Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 60,924
2017 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 12,558
2016 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,743,955
2016 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,616,023
2016 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 127,932
2016 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 3,062,012
2016 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 126,680
2016 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 332,176
2016 | Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 221,835
2016 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,252
Prior to 2016 |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 8,315,224
Prior to 2016 | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 8,169,191
Prior to 2016 | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 146,033
Prior to 2016 | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 7,571,266
Prior to 2016 | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 144,999
Prior to 2016 | Special Mention | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 425,632
Prior to 2016 | Substandard | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 172,293
Prior to 2016 | Substandard | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,034
Revolving Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,073,808
Revolving Loans | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 24,608
Revolving Loans | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,049,200
Revolving Loans | Pass | Mortgage Receivable |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 24,608
Revolving Loans | Pass | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | 1,046,400
Revolving Loans | Special Mention | Other Loans |
Financing Receivable, Recorded Investment [Line Items] |
Loans and lease receivable amortized cost basis | $ 2,800

X
- Definition Loans and lease receivable amortized cost basis. + References No definition available. + Details
Name: | nycb_LoansAndLeaseReceivableAmortizedCostBasis
Namespace Prefix: | nycb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_MortgageReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=nycb_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_TwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_TwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_TwoThousandEighteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_TwoThousandSeventeenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_TwoThousandSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_PriorToTwoThousandSixteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | nycb_LoanOriginationYearAxis=nycb_RevolvingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |