Organization and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Cash and cash equivalents	$ 300,108	$ 332,035
Cash collateral posted to counterparties	132,646	117,842
Total cash including cash posted to counterparties shown on consolidated statement of cash flows	$ 432,754	$ 449,877	$ 437,128	$ 421,307
Share-based incentive plan, number of shares authorized for issuance	2,300,000
Number of shares available for grant (in shares)	1,097,453