Acquisitions - Summary of Unaudited Pro Forma Information (Details) - Spirit of Texas Bancshares, Inc. - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Revenue	$ 912,631	$ 927,061
Net income	$ 264,522	$ 307,752
Diluted earnings per share (in dollars per share)	$ 2.04	$ 2.40

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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