Fair Value of Financial Assets and Liabilities - Fair Value Hierarchy of Financial Assets and Liabilities under U.S. GAAP Guidance (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets:
Marketable securities	$ 135	$ 99
Loans held for sale, at fair value	818,993	528,944
Total assets	830,540	539,906
Liabilities:
Contingent consideration	25,553	25,740
Total Liabilities	36,839	47,067
Rate lock commitments
Assets:
Derivative asset	5,824	9,604
Liabilities:
Derivative liability	3,521	1,023
Forward Sales Contracts
Assets:
Derivative asset	5,588	1,259
Liabilities:
Derivative liability	7,765	20,304
Level 1
Assets:
Marketable securities	135	99
Loans held for sale, at fair value	0	0
Total assets	135	99
Liabilities:
Contingent consideration	0	0
Total Liabilities	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	818,993	528,944
Total assets	818,993	528,944
Liabilities:
Contingent consideration	0	0
Total Liabilities	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 assets	11,412	10,863
Liabilities:
Contingent consideration	25,553	25,740
Total Liabilities	36,839	47,067
Level 3 | Rate lock commitments
Assets:
Derivative asset	5,824	9,604
Liabilities:
Derivative liability	3,521	1,023
Level 3 | Forward Sales Contracts
Assets:
Derivative asset	5,588	1,259
Liabilities:
Derivative liability	$ 7,765	$ 20,304