Loans Held for Investment and Loans Held for Investment at Fair Value - Schedule of Activity in Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Allowance for credit losses:
Beginning balance	$ 5,267	$ 5,045	$ 4,769	$ 4,893
Provision for credit losses	218	298	1,219	933
Charge-offs	(245)	(717)	(748)	(1,200)
Ending balance	5,240	4,626	5,240	4,626
Allowance for Loans Individually Evaluated	1,614	1,043	1,614	1,043	$ 974
Allowance related to Loans collectively evaluated	3,626	3,583	3,626	3,583
Amortized cost related to Loans individually evaluated	327,290	354,787	327,290	354,787
Amortized cost related to Loans collectively evaluated	2,297,569	2,707,779	2,297,569	2,707,779
Commercial - Purchase
Allowance for credit losses:
Beginning balance	861	796	935	639
Provision for credit losses	(51)	(64)	(125)	93
Ending balance	810	732	810	732
Allowance for Loans Individually Evaluated	111	137	111	137	156
Allowance related to Loans collectively evaluated	698	595	698	595
Amortized cost related to Loans individually evaluated	30,198	21,239	30,198	21,239
Amortized cost related to Loans collectively evaluated	569,116	643,243	569,116	643,243
Commercial - Refinance
Allowance for credit losses:
Beginning balance	1,894	2,060	1,805	2,031
Provision for credit losses	(142)	(34)	(51)	74
Charge-offs			(2)	(79)
Ending balance	1,752	2,026	1,752	2,026
Allowance for Loans Individually Evaluated	552	552	552	552	444
Allowance related to Loans collectively evaluated	1,200	1,474	1,200	1,474
Amortized cost related to Loans individually evaluated	99,844	93,176	99,844	93,176
Amortized cost related to Loans collectively evaluated	658,335	760,872	658,335	760,872
Residential 1-4 Unit - Purchase
Allowance for credit losses:
Beginning balance	973	468	585	542
Provision for credit losses	(39)	(65)	645	(112)
Charge-offs			(296)	(27)
Ending balance	934	403	934	403
Allowance for Loans Individually Evaluated	189		189
Allowance related to Loans collectively evaluated	745	403	745	403
Amortized cost related to Loans individually evaluated	33,640	49,826	33,640	49,826
Amortized cost related to Loans collectively evaluated	435,760	503,443	435,760	503,443
Residential 1-4 Unit - Refinance
Allowance for credit losses:
Beginning balance	1,269	1,363	1,256	1,272
Provision for credit losses	(61)	(99)	59	3
Charge-offs			(107)	(11)
Ending balance	1,208	1,264	1,208	1,264
Allowance for Loans Individually Evaluated	273	246	273	246	245
Allowance related to Loans collectively evaluated	936	1,018	936	1,018
Amortized cost related to Loans individually evaluated	132,448	139,356	132,448	139,356
Amortized cost related to Loans collectively evaluated	601,555	742,664	601,555	742,664
Short Term 1-4 Unit - Purchase
Allowance for credit losses:
Beginning balance	17	24	23	21
Provision for credit losses	12	752	105	816
Charge-offs		(717)	(99)	(778)
Ending balance	29	59	29	59
Allowance related to Loans collectively evaluated	29	59	29	59
Amortized cost related to Loans individually evaluated	6,904	3,587	6,904	3,587
Amortized cost related to Loans collectively evaluated	26,209	45,655	26,209	45,655
Short Term 1-4 Unit - Refinance
Allowance for credit losses:
Beginning balance	253	334	165	388
Provision for credit losses	499	(192)	586	59
Charge-offs	(245)		(244)	(305)
Ending balance	507	142	507	142
Allowance for Loans Individually Evaluated	489	108	489	108	$ 129
Allowance related to Loans collectively evaluated	18	34	18	34
Amortized cost related to Loans individually evaluated	24,256	47,603	24,256	47,603
Amortized cost related to Loans collectively evaluated	$ 6,594	$ 11,902	$ 6,594	$ 11,902

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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