XML 147 R43.htm IDEA: XBRL DOCUMENT
v3.23.1

Business Combinations - Net Assets Acquired (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 20, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022
Fair value adjustments: |  |  |  |
Bargain purchase gain on Signature Transaction |  | $ 2,001 | $ 159 | $ 0
Signature Bridge Bank |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Net assets acquired before fair value adjustments | $ 2,973 |  |  |
Fair value adjustments: |  |  |  |
Loans | (727) |  |  |
Core deposit and other intangibles | 464 |  |  |
Certificates of deposit | 27 |  |  |
Other net assets and liabilities | 39 |  |  |
FDIC Equity Appreciation Instrument | (85) |  |  |
Deferred tax liability | (690) |  |  |
Bargain purchase gain on Signature Transaction | $ 2,001 | $ 2,000 |  |

X
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Certificates Of Deposit + References No definition available. + Details
Name: | fbc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentCertificatesOfDeposit
Namespace Prefix: | fbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability + References No definition available. + Details
Name: | fbc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiability
Namespace Prefix: | fbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Equity Appreciation Instrument + References No definition available. + Details
Name: | fbc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentEquityAppreciationInstrument
Namespace Prefix: | fbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Loans + References No definition available. + Details
Name: | fbc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentLoans
Namespace Prefix: | fbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Net Assets And Liabilities + References No definition available. + Details
Name: | fbc_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherNetAssetsAndLiabilities
Namespace Prefix: | fbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Net, Before Fair Value Adjustments + References No definition available. + Details
Name: | fbc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetBeforeFairValueAdjustments
Namespace Prefix: | fbc_
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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6571-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (f)(1) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6387-128476 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6396-128476 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6527-128477 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6393-128476 + Details
Name: | us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4A -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128092470&loc=SL65897772-128472 + Details
Name: | us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fbc_SignatureBridgeBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |