Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Reconciliation of cash, cash equivalents, and restricted cash to balance sheet:
Cash and cash equivalents - unrestricted	$ 543,076	$ 334,194	$ 224,696
Cash and cash equivalents - restricted	112,904	110,136	96,007
Cash, cash equivalents, and restricted cash, end of period	$ 655,980	$ 444,330	$ 320,703	$ 163,000