Debt - Warehouse Lines of Credit (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Outstanding Borrowings	$ 185,283,000	$ 190,509,000
Warehouse Agreement Borrowings
Debt Instrument [Line Items]
Borrowing Capacity	550,000,000	550,000,000
Outstanding Borrowings	185,283,000	190,509,000
Warehouse Agreement Borrowings \| City National Bank
Debt Instrument [Line Items]
Borrowing Capacity	75,000,000	75,000,000
Outstanding Borrowings	$ 24,513,000	$ 27,288,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.69%	5.89%
Warehouse Agreement Borrowings \| Comerica Bank
Debt Instrument [Line Items]
Borrowing Capacity	$ 75,000,000	$ 75,000,000
Outstanding Borrowings	$ 27,185,000	$ 26,526,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.92%	6.36%
Warehouse Agreement Borrowings \| Origin Bank
Debt Instrument [Line Items]
Borrowing Capacity	$ 75,000,000	$ 75,000,000
Outstanding Borrowings	$ 23,997,000	$ 23,739,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.54%	5.98%
Warehouse Agreement Borrowings \| M&T Bank
Debt Instrument [Line Items]
Borrowing Capacity	$ 50,000,000	$ 50,000,000
Outstanding Borrowings	$ 16,086,000	$ 19,126,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.98%	6.45%
Warehouse Agreement Borrowings \| Prosperity Bank
Debt Instrument [Line Items]
Borrowing Capacity	$ 100,000,000	$ 100,000,000
Outstanding Borrowings	$ 36,043,000	$ 35,856,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.67%	6.18%
Warehouse Agreement Borrowings \| Republic Bank & Trust Company
Debt Instrument [Line Items]
Borrowing Capacity	$ 75,000,000	$ 75,000,000
Outstanding Borrowings	$ 28,112,000	$ 26,636,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.63%	5.81%
Warehouse Agreement Borrowings \| Wells Fargo Bank, N.A.
Debt Instrument [Line Items]
Borrowing Capacity	$ 100,000,000	$ 100,000,000
Outstanding Borrowings	$ 29,347,000	$ 31,338,000
Weighted-Average Interest Rate on Outstanding Borrowings	6.88%	6.41%

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- Definition

Weighted average interest rate of debt outstanding.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

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