Borrowings - Encore Convertible Notes and Exchangeable Notes (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt issued	$ 330,000		$ 272,500
Exchangeable Notes Payable | Exchangeable senior notes due September 2023
Debt Instrument [Line Items]
Debt issued	$ 0		172,500
Stated interest rate (as a percent)	4.50%
Convertible Notes | 2025 Convertible Notes
Debt Instrument [Line Items]
Debt issued	$ 100,000		100,000
Stated interest rate (as a percent)	3.25%
Convertible Notes | 2029 Convertible Notes
Debt Instrument [Line Items]
Debt issued	$ 230,000	$ 230,000	$ 0
Stated interest rate (as a percent)	4.00%	4.00%