CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2022	Jun. 30, 2021
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	71,424,469	78,964,859
Common stock, shares outstanding		78,964,859
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	2,609,069	2,759,594
Securities available for sale, Amortized Cost	$ 1,590,074,000	$ 1,666,853,000
Net of allowance for credit losses	0
Securities held to maturity, estimated fair value	117,017,000	39,610,000
Available-for-sale Securities [Member]
Securities available for sale, Amortized Cost	1,590,074,000	1,666,853,000
Net of allowance for credit losses	0	0
Held-to-maturity Securities [Member]
Net of allowance for credit losses	0	0
Securities held to maturity, estimated fair value	$ 117,017,000	$ 39,610,000