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Organization and Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	May 15, 2023	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash proceeds from sale of wholesale mortgage			$ 116,540	$ 368,217
Loss on sale of LSMG			995	$ 3,136
LenderSelect Mortgage Group [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Cash proceeds from sale of wholesale mortgage	$ 250
Other Noninterest Income [Member] | LenderSelect Mortgage Group [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Loss on sale of LSMG		$ 553	$ 553

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- Definition

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.

+ References

No definition available.

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- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 310
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123605502&loc=d3e21310-158488

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 1
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- Definition

The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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