Earnings (Loss) Per Share ("EPS") (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income (loss) applicable to common shares	$ 48,657	$ 51,172	$ (145,439)	$ 102,688
Average number of common shares outstanding (in shares)	175,817,284	180,616,939	175,758,658	182,329,881
Less: Average unallocated ESOP shares (in shares)	(13,585,048)	(14,083,019)	(13,646,435)	(14,145,353)
Average number of common shares outstanding used to calculate basic earnings per common share (in shares)	162,232,236	166,533,920	162,112,223	168,184,528
Common stock equivalents (in shares)	14,439	39,707	24,761	63,718
Average number of common shares outstanding used to calculate diluted earnings per common share (in shares)	162,246,675	166,573,627	162,136,984	168,248,246
Earnings (loss) per common share
Basic earnings per share (in dollars per share)	$ 0.30	$ 0.31	$ (0.90)	$ 0.61
Diluted earnings per share (in dollars per share)	$ 0.30	$ 0.31	$ (0.90)	$ 0.61