Variable Interest Entity and Equity Method of Accounting (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 04, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 23, 2023
Class of Stock [Line Items]
Loss (gain) on investment		$ (4,726)	$ 9,217	$ 0
Charter Bioscience Inc.
Class of Stock [Line Items]
Loss (gain) on investment		$ 4,700	$ 9,200
Second Private Capital Transaction | Charter Bioscience Inc.
Class of Stock [Line Items]
Ownership percentage					23.92%
Private Capital Transaction | Charter Bioscience Inc.
Class of Stock [Line Items]
Ownership percentage	25.46%
Preferred stock | Charter Bioscience Inc. | Other assets
Class of Stock [Line Items]
Equity interest at fair value	$ 4,900
Common stock | Charter Bioscience Inc.
Class of Stock [Line Items]
Equity method investment	3,700
Charter Bioscience Inc. | Preferred stock | Second Private Capital Transaction
Class of Stock [Line Items]
Net proceeds from sale of stock	$ 17,900
Sale of stock, number of shares issued in transaction (in shares)	16,210,602