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Capital Stock - Textual (Details) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Apr. 27, 2022 | Apr. 26, 2022 | Jan. 31, 2022 | Dec. 31, 2021 | Jul. 23, 2021 | Jul. 22, 2021 | 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
Common stock, Class A, shares authorized (in shares) | 350,000,000 |  | 350,000,000 |  |  |  |  | 175,000,000 |  |  |  |
Stock repurchases (in shares) | 1,883,713 | 1,806,205 |  | 1,937,121 |  |  |  |  |  |  |  |
Stock repurchases, average price (in dollars per share) | $ 23.91 | $ 28.48 |  | $ 28.14 |  |  |  |  |  |  |  |
2019 Program |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases (in shares) |  |  | 513,725 |  |  |  |  |  |  |  |  |
Stock repurchases, average price (in dollars per share) |  |  | $ 31.25 |  |  |  |  |  |  |  |  |
2022 Program |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases (in shares) |  |  | 3,919,037 |  |  |  |  |  |  |  |  |
Stock repurchases, average price (in dollars per share) |  |  | $ 24.26 |  |  |  |  |  |  |  |  |
Common Class A |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common stock, Class A, shares authorized (in shares) |  |  |  |  | 350,000,000 | 175,000,000 |  |  |  |  |  |
Number of shares authorized to be repurchased (in shares) |  |  |  |  |  |  | 175,000,000 |  | 276,500,000 | 180,000,000 |  |
Reliance Bancshares, Inc. | Series D Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 0.01 |
Maximum |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference, value | $ 80,000,000 |  | $ 80,000,000 |  |  |  |  |  |  |  |  |

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