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Organization and Basis of Presentation - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 Branch $ / shares | Dec. 31, 2020 $ / shares
Organization and Basis of Presentation [Line Items] |  |
Common stock, par | $ 0.01 | $ 0.01
Description of nine stock splits | $0.93 per share on a split-adjusted basis, reflecting the impact of nine stock splits between 1994 and 2004 |
New York Community Bank |  |
Organization and Basis of Presentation [Line Items] |  |
Number of branches | Branch | 237 |
IPO |  |
Organization and Basis of Presentation [Line Items] |  |
Shares issued, price per share | $ 25.00 |
Shares issued, price per share, split adjusted basis | $ 0.93 |

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