| Submission | Oct. 22, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001504008 |
| Registrant Name | BankUnited, Inc. |
| Form Type | S-3 |
| Submission Type | S-3ASR |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Oct. 22, 2024 |
| Offering: 1 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Common Stock, par value $0.01 per share |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 2 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Preferred Stock, par value $0.01 per share |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 3 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Depositary Shares |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. (3) Such indeterminate number of Depositary Shares to be evidenced by depositary receipts issued pursuant to a deposit agreement. |
| Offering: 4 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Debt |
| Security Class Title | Debt Securities |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 5 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Warrants |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 6 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Subscription Rights |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 7 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Stock Purchase Contracts |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. |
| Offering: 8 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Other |
| Security Class Title | Stock Purchase Units( |
| Fee Rate | 0.01531% |
| Offering Note | (1) This registration covers an indeterminate number of securities of each identified class of the Registrant as may from time to time be issued at indeterminate prices. Any registered securities may be sold separately or as units with other securities registered under this registration statement. In addition, the securities may be sold in either primary or secondary offerings. (2) In accordance with Rules 456(b) and 457(r) under the Securities Act of 1933, as amended, the Registrant is deferring payment of the registration fee and will pay the registration fee on a pay-as-you-go basis. (4) Any securities registered hereunder may be sold as units with other securities registered hereunder; each unit will be issued under a unit agreement and will represent an interest in two or more securities, which may or may not be separable from one another. |
| Fees Summary | Oct. 22, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 0 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 0 |
| Total Offset Amount | 0 |
| Net Fee | $ 0 |
