Earnings Per Share ("EPS") (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income applicable to common shares	$ 51,516	$ 47,663
Average number of common shares outstanding (in shares)	184,066,326	186,758,154
Less: Average unallocated ESOP shares (in shares)	(14,208,376)	(14,709,110)
Average number of common shares outstanding used to calculate basic earnings per common share (in shares)	169,857,950	172,049,044
Common stock equivalents (in shares)	110,206	0
Average number of common shares outstanding used to calculate diluted earnings per common share (in shares)	169,968,156	172,049,044
Earnings per common share
Basic earnings per share (in dollars per share)	$ 0.30	$ 0.28
Diluted earnings per share (in dollars per share)	$ 0.30	$ 0.28