CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating activities:
Net income (loss)	$ (90,355)	$ 161,173
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Equity-based compensation expense	15,179	15,173
Amortization accretion on marketable securities	(3,516)	1,737
Depreciation and amortization	153	25
Non Cash Contributions From Noncontrolling Interests	4	139
Gain on sale of Cullinan Pearl	0	(276,785)
Realized loss on marketable securities	0	109
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	1,161	(1,050)
Accounts payable	(169)	(70)
Accrued expenses and other current liabilities	(178)	5,719
Income tax payable	(4,282)	46,502
Net cash used in operating activities	(82,003)	(47,328)
Investing activities:
Proceeds from sales and maturities of marketable securities	198,094	158,933
Purchase of marketable securities	(170,592)	(93,370)
Purchase of property and equipment	(208)	0
Proceeds from sale of Cullinan Pearl, net of escrow of $5,000 and cash transferred with sale of $2,898	0	270,000
Net cash provided by (used in) investing activities	27,294	335,563
Financing activities:
Proceeds from issuance of common stock	38,388	0
Proceeds from issuance of convertible notes	1,825	2,200
Proceeds from net issuance of common stock under equity-based compensation plans	178	4,401
Repayment of convertible note	0	(2,200)
Contributions From Noncontrolling Interests	0	1,153
Net cash provided by financing activities	40,391	5,554
Net increase (decrease) in cash and cash equivalents	(14,318)	293,789
Cash and cash equivalents at beginning of period	156,152	59,774
Cash and cash equivalents at end of period	141,834	353,563
Non-cash financing activities and supplemental cash flow information
Conversion Of Convertible Note Into Noncontrolling Interest	175	0
Cash paid for income taxes	$ 4,708	$ 0