($0.93 per share on a split-adjusted basis, reflecting the impact of nine stock splits between 1994 and 2004).

$ 25.00

Organization and Basis of Presentation - Additional Information (Details)	12 Months Ended
	Dec. 31, 2020 Branch $ / shares	Dec. 31, 2019 $ / shares	Nov. 23, 1993 $ / 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