Organization, Basis of Presentation, and Impact of Recent Accounting Pronouncements (Policies)	9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]
Organization	Organization New York Community Bancorp, Inc. (on a stand-alone basis, the “Parent Company” or, collectively with its subsidiaries, the “Company”) was organized under Delaware law on July 20, 1993 and is the holding company for New York Community Bank (hereinafter referred to as the “Bank”). Founded on April 14, 1859 and formerly known as Queens County Savings Bank, the Bank converted from a state-chartered mutual savings bank to the capital stock form of ownership on November 23, 1993, at which date the Company issued its initial offering of common stock (par value: $0.01 per share) at a price of $25.00 per share ($0.93 per share on a split-adjusted basis, reflecting the impact of nine stock splits between 1994 and 2004). The Bank currently operates 236 branches, 19 of which operate directly under the Community Bank name. The remaining 217 Community Bank branches operate through eight divisional banks: Queens County Savings Bank, Roslyn Savings Bank, Richmond County Savings Bank, Roosevelt Savings Bank, and Atlantic Bank in New York; Garden State Community Bank in New Jersey; AmTrust Bank in Florida and Arizona; and Ohio Savings Bank in Ohio.
Basis of Presentation	Basis of Presentation The following is a description of the significant accounting and reporting policies that the Company and its subsidiaries follow in preparing and presenting their consolidated financial statements, which conform to U.S. generally accepted accounting principles (“GAAP”) and to general practices within the banking industry. The preparation of financial statements in conformity with GAAP requires the Company to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of revenues and expenses during the reporting period. Estimates that are particularly susceptible to change in the near term are used in connection with the determination of the allowance for credit losses and the evaluation of goodwill for impairment. The accompanying consolidated financial statements include the accounts of the Company and other entities in which the Company has a controlling financial interest. All inter-company accounts and transactions are eliminated in consolidation. The Company currently has certain unconsolidated subsidiaries in the form of wholly-owned statutory business trusts, which were formed to issue guaranteed capital securities. See Note 7, Borrowed Funds, for additional information regarding these trusts. Dollar amounts are presented in millions, as compared to prior year filings which were presented in thousands of dollars.
Recently Adopted Accounting Standards	Impact of Recent Accounting Pronouncements Recently Adopted Accounting Standards The Company adopted ASU No. 2020-04 in the first quarter of 2021 upon issuance. The amendments provide optional expedients and exceptions for certain contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of rate reform. The guidance is effective from the date of issuance until December 31, 2022. If certain criteria are met, the amendments allow exceptions to the designation criteria of the hedging relationship and the assessment of hedge effectiveness during the transition period. To date, the guidance has not had a material impact on the Company’s Consolidated Statements of Condition, results of operations, or cash flows. The Company will continue to assess the impact as the reference rate transition occurs.

Organization, Basis of Presentation, and Impact of Recent Accounting Pronouncements (Policies)

9 Months Ended

Sep. 30, 2021

New York Community Bancorp, Inc. (on a stand-alone basis, the “Parent Company” or, collectively with its subsidiaries, the “Company”) was organized under Delaware law on July 20, 1993 and is the holding company for New York Community Bank (hereinafter referred to as the “Bank”).

Founded on April 14, 1859 and formerly known as Queens County Savings Bank, the Bank converted from a state-chartered mutual savings bank to the capital stock form of ownership on November 23, 1993, at which date the Company issued its initial offering of common stock (par value: $0.01 per share) at a price of $25.00 per share ($0.93 per share on a split-adjusted basis, reflecting the impact of nine stock splits between 1994 and 2004).

The Bank currently operates 236 branches, 19 of which operate directly under the Community Bank name. The remaining 217 Community Bank branches operate through eight divisional banks: Queens County Savings Bank, Roslyn Savings Bank, Richmond County Savings Bank, Roosevelt Savings Bank, and Atlantic Bank in New York; Garden State Community Bank in New Jersey; AmTrust Bank in Florida and Arizona; and Ohio Savings Bank in Ohio.

Basis of Presentation

The following is a description of the significant accounting and reporting policies that the Company and its subsidiaries follow in preparing and presenting their consolidated financial statements, which conform to U.S. generally accepted accounting principles (“GAAP”) and to general practices within the banking industry. The preparation of financial statements in conformity with GAAP requires the Company to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and the reported amounts of revenues and expenses during the reporting period. Estimates that are particularly susceptible to change in the near term are used in connection with the determination of the allowance for credit losses and the evaluation of goodwill for impairment.

The accompanying consolidated financial statements include the accounts of the Company and other entities in which the Company has a controlling financial interest. All inter-company accounts and transactions are eliminated in consolidation. The Company currently has certain unconsolidated subsidiaries in the form of wholly-owned statutory business trusts, which were formed to issue guaranteed capital securities. See Note 7, Borrowed Funds, for additional information regarding these trusts.

Dollar amounts are presented in millions, as compared to prior year filings which were presented in thousands of dollars.

Recently Adopted Accounting Standards

Impact of Recent Accounting Pronouncements

Recently Adopted Accounting Standards

The Company adopted ASU No. 2020-04 in the first quarter of 2021 upon issuance. The amendments provide optional expedients and exceptions for certain contracts, hedging relationships, and other transactions that reference LIBOR or another reference rate expected to be discontinued because of rate reform. The guidance is effective from the date of issuance until December 31, 2022. If certain criteria are met, the amendments allow exceptions to the designation criteria of the hedging relationship and the assessment of hedge effectiveness during the transition period. To date, the guidance has not had a material impact on the Company’s Consolidated Statements of Condition, results of operations, or cash flows. The Company will continue to assess the impact as the reference rate transition occurs.