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Stockholders' Equity - Summary of Preferred and Common Stock (Parenthetical) (Details) | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Series B 7.5% Fixed to Floating Non-Cumulative Perpetual Preferred Stock |  |
Class Of Stock [Line Items] |  |
Preferred stock, dividend rate, percentage | 7.50% | 7.50%

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- Definition The percentage rate used to calculate dividend payments on preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 + Details
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