Related Party Loans and Convertible Notes - Schedule of Crypto Asset Loans (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($) crypto_unit	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) crypto_unit	Dec. 31, 2023 USD ($) crypto_unit	Oct. 31, 2023 crypto_unit	May 11, 2023 crypto_unit	Dec. 29, 2022 crypto_unit
Short Term Debt Abstract [Roll Forward]
Amount Borrowed	$ 418,458	$ 157,988
Amount Repaid	151,378	185,985
Crypto Asset Loans
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	560,107	462,422	$ 462,422
Amount Borrowed	220,798		94,313
Amount Repaid	151,378		413,962
Realized Gain (Loss)	(71,792)		(220,809)
Principal Outstanding as of 9.30.25	774,674		560,107	$ 462,422
Unrealized Gain (Loss)	(73,352)		(196,526)
Interest Expense	19,100		21,099
Interest Payable	2,605		2,055
Prior year interest accrued that was paid during the year	$ 2,100		$ 1,600
Crypto Asset Loans \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	5,824		5,054
Crypto Asset Loans \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	26,629		26,629
Crypto Asset Loans \| 5,000 BTC December 29, 2022
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 290,929	211,948	$ 211,948
Amount Borrowed	0		0
Amount Repaid	30,138		123,155
Realized Gain (Loss)	(25,092)		(91,991)
Principal Outstanding as of 9.30.25	320,626		290,929	211,948
Unrealized Gain (Loss)	$ (34,742)		$ (110,146)
Stated interest rate	4.00%		4.00%
Interest Expense	$ 8,837		$ 9,497
Interest Payable	$ 1,044		$ 1,037
Crypto Asset Loans \| 5,000 BTC December 29, 2022 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	5,000		5,000				5,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	305		1,884
Crypto Asset Loans \| 2,000 BTC March 1, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 102,516	84,779	$ 84,779
Amount Borrowed	0		0
Amount Repaid	22,874		63,889
Realized Gain (Loss)	(18,174)		(42,689)
Principal Outstanding as of 9.30.25	102,427		102,516	84,779
Unrealized Gain (Loss)	$ (4,611)		$ (38,938)
Stated interest rate	4.00%		4.00%
Interest Expense	$ 3,125		$ 3,620
Interest Payable	$ 334		$ 376
Crypto Asset Loans \| 2,000 BTC March 1, 2023 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	2,000		2,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	200		902
Crypto Asset Loans \| 35,000 ETH March 1, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 88,234	80,378	$ 80,378
Amount Borrowed	0		0
Amount Repaid	0		29,247
Realized Gain (Loss)	0		(15,571)
Principal Outstanding as of 9.30.25	110,381		88,234	80,378
Unrealized Gain (Loss)	$ (22,147)		$ (21,532)
Stated interest rate	4.00%		4.00%
Interest Expense	$ 2,338		$ 3,590
Interest Payable	$ 380		$ 334
Crypto Asset Loans \| 35,000 ETH March 1, 2023 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	35,000		35,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit			8,371
Crypto Asset Loans \| 500 BTC May 11, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 46,683	21,195	$ 21,195
Amount Borrowed	0		0
Amount Repaid	0		0
Realized Gain (Loss)	0		0
Principal Outstanding as of 9.30.25	57,031		46,683	21,195
Unrealized Gain (Loss)	$ (10,347)		$ (25,488)
Stated interest rate	4.00%		4.00%
Interest Expense	$ 1,527		$ 1,317
Interest Payable	$ 186		$ 166
Crypto Asset Loans \| 500 BTC May 11, 2023 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	500		500			500
Crypto Asset Loans \| 340 BTC October 31, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 31,745	14,412	$ 14,412
Amount Borrowed	0		0
Amount Repaid	0		0
Realized Gain (Loss)	0		0
Principal Outstanding as of 9.30.25	38,781		31,745	14,412
Unrealized Gain (Loss)	$ (7,036)		$ (17,332)
Stated interest rate	5.00%		5.00%
Interest Expense	$ 1,299		$ 1,119
Interest Payable	$ 158		$ 142
Crypto Asset Loans \| 340 BTC October 31, 2023 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	340		340		340
Crypto Asset Loans \| 5,200 ETH January 27, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	16,544
Amount Repaid	19,493
Realized Gain (Loss)	(2,949)
Principal Outstanding as of 9.30.25	0		$ 0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 251
Interest Payable	$ 0
Crypto Asset Loans \| 5,200 ETH January 27, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	5,200
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	5,200
Crypto Asset Loans \| 3,000 ETH, February 7, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	7,867
Amount Repaid	11,369
Realized Gain (Loss)	(3,502)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 141
Interest Payable	$ 0
Crypto Asset Loans \| 3,000 ETH, February 7, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	3,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	3,000
Crypto Asset Loans \| 5,280 ETH, February 28, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	11,696
Amount Repaid	19,271
Realized Gain (Loss)	(7,575)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 192
Interest Payable	$ 0
Crypto Asset Loans \| 5,280 ETH, February 28, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	5,280
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	5,280
Crypto Asset Loans \| 3,400 ETH March 10, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	6,338
Amount Repaid	8,417
Realized Gain (Loss)	(2,079)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 51
Interest Payable	$ 0
Crypto Asset Loans \| 3,400 ETH March 10, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	3,400
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	3,400
Crypto Asset Loans \| 86 BTC, March 11, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	7,130
Amount Repaid	8,871
Realized Gain (Loss)	(1,740)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 60
Interest Payable	$ 0
Crypto Asset Loans \| 86 BTC, March 11, 2025 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	86
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	86
Crypto Asset Loans \| 2,500 ETH, March 28, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	4,739
Amount Repaid	6,189
Realized Gain (Loss)	(1,450)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.30%
Interest Expense	$ 27
Interest Payable	$ 0
Crypto Asset Loans \| 2,500 ETH, March 28, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	2,500
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	2,500
Crypto Asset Loans \| 10,000 ETH, April 7, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	15,525
Amount Repaid	24,756
Realized Gain (Loss)	(9,231)
Principal Outstanding as of 9.30.25	0		0
Unrealized Gain (Loss)	$ 0
Stated interest rate	4.00%
Interest Expense	$ 79
Interest Payable	$ 0
Crypto Asset Loans \| 10,000 ETH, April 7, 2025 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	10,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit	10,000
Crypto Asset Loans \| 1, 275 BTC, July 24, 2025
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0
Amount Borrowed	150,959
Amount Repaid	0
Realized Gain (Loss)	0
Principal Outstanding as of 9.30.25	145,428		0
Unrealized Gain (Loss)	$ 5,531
Stated interest rate	4.30%
Interest Expense	$ 1,173
Interest Payable	$ 503
Crypto Asset Loans \| 1, 275 BTC, July 24, 2025 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit	1,275
Crypto Asset Loans \| 30,000 ETH, December 29, 2022
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0	20,669	20,669
Amount Borrowed			0
Amount Repaid			29,790
Realized Gain (Loss)			(18,990)
Principal Outstanding as of 9.30.25			0	$ 20,669
Unrealized Gain (Loss)			$ 9,868
Stated interest rate			4.00%
Interest Expense			$ 655
Interest Payable			$ 0
Crypto Asset Loans \| 30,000 ETH, December 29, 2022 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			30,000				30,000
Short Term Debt Abstract [Roll Forward]
Amount of crypto repaid (in units) \| crypto_unit				21,000
Crypto Asset Loans \| 1,400 BTC, May 24, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	4,239	$ 4,239
Amount Borrowed			0
Amount Repaid			6,182
Realized Gain (Loss)			(3,553)
Principal Outstanding as of 9.30.25			0	$ 4,239
Unrealized Gain (Loss)			$ 1,610
Stated interest rate			4.00%
Interest Expense			$ 30
Interest Payable			$ 0
Crypto Asset Loans \| 1,400 BTC, May 24, 2023 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			1,400
Crypto Asset Loans \| 20,650 ETH, May 24, 2023
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	24,802	$ 24,802
Amount Borrowed			0
Amount Repaid			32,224
Realized Gain (Loss)			(12,853)
Principal Outstanding as of 9.30.25			0	24,802
Unrealized Gain (Loss)			$ 5,432
Stated interest rate			4.00%
Interest Expense			$ 140
Interest Payable			$ 0
Crypto Asset Loans \| 20,650 ETH, May 24, 2023 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			20,650
Crypto Asset Loans \| 240 BTC, May 1, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	0	$ 0
Amount Borrowed			13,962
Amount Repaid			16,286
Realized Gain (Loss)			(2,324)
Principal Outstanding as of 9.30.25			0	0
Unrealized Gain (Loss)			$ 0
Stated interest rate			8.00%
Interest Expense			$ 102
Interest Payable			$ 0
Crypto Asset Loans \| 240 BTC, May 1, 2024 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			240
Crypto Asset Loans \| 6,750 ETH, May 1, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	0	$ 0
Amount Borrowed			19,765
Amount Repaid			25,441
Realized Gain (Loss)			(5,676)
Principal Outstanding as of 9.30.25			0	0
Unrealized Gain (Loss)			$ 0
Stated interest rate			8.00%
Interest Expense			$ 145
Interest Payable			$ 0
Crypto Asset Loans \| 6,750 ETH, May 1, 2024 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			6,750
Crypto Asset Loans \| 250 BTC, July 5, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	0	$ 0
Amount Borrowed			14,006
Amount Repaid			22,007
Realized Gain (Loss)			(8,001)
Principal Outstanding as of 9.30.25			0	0
Unrealized Gain (Loss)			$ 0
Stated interest rate			5.00%
Interest Expense			$ 280
Interest Payable			$ 0
Crypto Asset Loans \| 250 BTC, July 5, 2024 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			250
Crypto Asset Loans \| 4,150 ETH, July 5, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	0	$ 0
Amount Borrowed			12,420
Amount Repaid			13,473
Realized Gain (Loss)			(1,054)
Principal Outstanding as of 9.30.25			0	0
Unrealized Gain (Loss)			$ 0
Stated interest rate			5.00%
Interest Expense			$ 200
Interest Payable			$ 0
Crypto Asset Loans \| 4,150 ETH, July 5, 2024 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			4,150
Crypto Asset Loans \| 7,500 ETH, August 5, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	0	0	$ 0
Amount Borrowed			17,663
Amount Repaid			30,038
Realized Gain (Loss)			(12,374)
Principal Outstanding as of 9.30.25			0	0
Unrealized Gain (Loss)			$ 0
Stated interest rate			5.00%
Interest Expense			$ 342
Interest Payable			$ 0
Crypto Asset Loans \| 7,500 ETH, August 5, 2024 \| Ether
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			7,500
Crypto Asset Loans \| 235 BTC, October 31, 2024
Short Term Debt Abstract [Roll Forward]
Principal Outstanding as of 12.31.24	$ 0	$ 0	$ 0
Amount Borrowed			16,497
Amount Repaid			22,230
Realized Gain (Loss)			(5,733)
Principal Outstanding as of 9.30.25			0	$ 0
Unrealized Gain (Loss)			$ 0
Stated interest rate			4.50%
Interest Expense			$ 62
Interest Payable			$ 0
Crypto Asset Loans \| 235 BTC, October 31, 2024 \| Bitcoin
Short-Term Debt [Line Items]
Amount of crypto loaned (in units) \| crypto_unit			235