Fair Value Measurements - Schedule of Information on Assets and Liabilities Measured and Recorded at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Assets:
Loans held for sale, at fair value			$ 17,590
Loans held for investment, at fair value	$ 1,971,683		1,306,072
Mortgage servicing rights	12,229	$ 9,022	8,578	$ 9,445	$ 9,143	$ 9,238
Assets	2,050,942		1,384,983
Real estate owned, net	50,757		44,268
Liabilities:
Securitized debt, at fair value	1,509,952		877,417
Derivative liability	374		3,665
Liabilities	1,510,326		881,082
Recurring Fair Value Measurements
Assets:
Loans held for sale, at fair value			17,590
Loans held for investment, at fair value	1,971,683		1,306,072
Mortgage servicing rights	12,229		8,578
Assets	1,983,912		1,332,240
Liabilities:
Securitized debt, at fair value	1,509,952		877,417
Derivative liability	374		3,665
Liabilities	1,510,326		881,082
Nonrecurring Fair Value Measurements
Assets:
Assets	67,030		52,743
Real estate owned, net	50,757		44,268
Individually evaluated/Impaired loans requiring specific allowance, net	16,273		8,475
Level 2
Assets:
Assets			17,590
Liabilities:
Liabilities	1,510,326		881,082
Level 2 | Recurring Fair Value Measurements
Assets:
Loans held for sale, at fair value			17,590
Assets			17,590
Liabilities:
Securitized debt, at fair value	1,509,952		877,417
Derivative liability	374		3,665
Liabilities	1,510,326		881,082
Level 3
Assets:
Assets	2,050,942		1,367,393
Level 3 | Recurring Fair Value Measurements
Assets:
Loans held for investment, at fair value	1,971,683		1,306,072
Mortgage servicing rights	12,229		8,578
Assets	1,983,912		1,314,650
Level 3 | Nonrecurring Fair Value Measurements
Assets:
Assets	67,030		52,743
Real estate owned, net	50,757		44,268
Individually evaluated/Impaired loans requiring specific allowance, net	$ 16,273		$ 8,475