Fair Value of Financial Assets and Liabilities - Schedule of Fair Value Hierarchy of Financial Assets and Liabilities under U.S. GAAP Guidance (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Assets:
Marketable securities	$ 79	$ 93
Loans held for sale, at fair value	1,349,240	774,905
Total	1,354,582	783,499
Liabilities:
Contingent consideration	24,726	21,935
Total	40,520	26,538
Rate lock commitments
Assets:
Derivative asset	3,787	1,010
Liabilities:
Derivative liability	1,128	1,350
Forward Sales Contracts
Assets:
Derivative asset	1,476	7,491
Liabilities:
Derivative liability	14,666	3,253
Level 1
Assets:
Marketable securities	79	93
Loans held for sale, at fair value	0	0
Total	79	93
Liabilities:
Contingent consideration	0	0
Total	0	0
Level 1 | Rate lock commitments
Assets:
Derivative asset	0	0
Liabilities:
Derivative liability	0	0
Level 1 | Forward Sales Contracts
Assets:
Derivative asset	0	0
Liabilities:
Derivative liability	0	0
Level 2
Assets:
Marketable securities	0	0
Loans held for sale, at fair value	1,349,240	774,905
Total	1,349,240	774,905
Liabilities:
Contingent consideration	0	0
Total	0	0
Level 2 | Rate lock commitments
Assets:
Derivative asset	0	0
Liabilities:
Derivative liability	0	0
Level 2 | Forward Sales Contracts
Assets:
Derivative asset	0	0
Liabilities:
Derivative liability	0	0
Level 3
Assets:
Marketable securities	0	0
Loans held for sale, at fair value	0	0
Total	5,263	8,501
Liabilities:
Contingent consideration	24,726	21,935
Total	40,520	26,538
Level 3 | Rate lock commitments
Assets:
Derivative asset	3,787	1,010
Liabilities:
Derivative liability	1,128	1,350
Level 3 | Forward Sales Contracts
Assets:
Derivative asset	1,476	7,491
Liabilities:
Derivative liability	$ 14,666	$ 3,253