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v3.19.3.a.u2

Components Of Net Investment In Direct Financing Leases (Detail) $ in Thousands | Dec. 31, 2019 USD ($)
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Leases [Abstract] |
Net investment in the lease- lease payments receivable | $ 1,302,760
Net investment in the lease- unguaranteed residual assets | 74,064
Total lease payments | $ 1,376,824

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- Definition Direct financing lease net investment in lease excluding unguaranteed residual assets. + References No definition available. + Details
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Namespace Prefix: | nycb_
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Balance Type: | debit
Period Type: | instant

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- Definition Amount of net investment in direct financing lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981 + Details
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- Definition Present value expected to be derived from underlying asset, following end of lease term, not guaranteed by lessee or other third party unrelated to lessor. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919379-209981 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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