Fair Value Measurements - Schedule of Estimated Fair Values of our Financial Assets and Financial Liabilities Measured At Amortized Cost (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial Assets:
Cash and cash equivalents		$ 21,242
Restricted cash and cash equivalents	$ 1,703	1,674
Accounts receivable, net:	(193)	(371)
Total assets	333,557	463,444
Financial Liabilities:
Related party loans	59,310	188,576
Total liabilities	59,972	189,562
Level 1
Financial Assets:
Cash and cash equivalents		21,242
Restricted cash and cash equivalents	1,703	1,674
Accounts receivable, net:	0	0
Total assets	332,979	462,895
Financial Liabilities:
Related party loans	0	0
Total liabilities	0	0
Level 2
Financial Assets:
Cash and cash equivalents		0
Restricted cash and cash equivalents	0	0
Accounts receivable, net:	(193)	(371)
Total assets	19	(302)
Financial Liabilities:
Related party loans	59,310	188,576
Total liabilities	59,972	189,562
Level 3
Financial Assets:
Cash and cash equivalents		0
Restricted cash and cash equivalents	0	0
Accounts receivable, net:	0	0
Total assets	559	851
Financial Liabilities:
Related party loans	0	0
Total liabilities	0	0
Portion at Other than Fair Value Measurement
Financial Assets:
Cash and cash equivalents	188,618	252,215
Restricted cash and cash equivalents	101,803	113,605
Customer custodial funds	454,717	527,354
Accounts receivable, net:	24,618	31,258
Total assets	769,756	924,432
Financial Liabilities:
Custodial funds due to customers	454,588	527,307
Third party loans	75,016	75,151
Related party loans	199,455	215,355
Funding debt	147,382	154,374
Total liabilities	876,441	972,187
Portion at Other than Fair Value Measurement \| Level 1
Financial Assets:
Cash and cash equivalents	188,618	252,215
Restricted cash and cash equivalents	101,803	113,605
Customer custodial funds	454,717	527,354
Accounts receivable, net:	8,861	7,280
Total assets	753,999	900,454
Financial Liabilities:
Custodial funds due to customers	454,588	527,307
Third party loans	0	0
Related party loans	0	0
Funding debt	0	0
Total liabilities	454,588	527,307
Portion at Other than Fair Value Measurement \| Level 2
Financial Assets:
Cash and cash equivalents	0	0
Restricted cash and cash equivalents	0	0
Customer custodial funds	0	0
Accounts receivable, net:	0	0
Total assets	0	0
Financial Liabilities:
Custodial funds due to customers	0	0
Third party loans	75,016	75,151
Related party loans	199,455	215,355
Funding debt	147,382	154,374
Total liabilities	421,853	444,880
Portion at Other than Fair Value Measurement \| Level 3
Financial Assets:
Cash and cash equivalents	0	0
Restricted cash and cash equivalents	0	0
Customer custodial funds	0	0
Accounts receivable, net:	15,757	23,978
Total assets	15,757	23,978
Financial Liabilities:
Custodial funds due to customers	0	0
Third party loans	0	0
Related party loans	0	0
Funding debt	0	0
Total liabilities	$ 0	$ 0