Capital Stock (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Jan. 31, 2024	Dec. 31, 2023	Apr. 27, 2022	Apr. 26, 2022	Jan. 31, 2022	Oct. 29, 2019	Feb. 27, 2009
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)									40,040,000
Preferred stock, par value (in dollars per share)									$ 0.01
Preferred stock, liquidation preference, value					$ 80.0
Common stock, shares authorized (in shares)	350,000,000			350,000,000
Stock repurchases (in shares)	0	0
Common Class A
Class of Stock [Line Items]
Common stock, shares authorized (in shares)					350,000,000	175,000,000
Common Class A | 2022 Share Repurchase Program
Class of Stock [Line Items]
Number of shares authorized to be repurchased (in shares)							175,000,000
Common Class A | 2024 Share Repurchase Program
Class of Stock [Line Items]
Number of shares authorized to be repurchased (in shares)			175,000,000
Reliance Bancshares, Inc. | Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)								$ 0.01