CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of cash, cash equivalents, and restricted cash to balance sheet:
Cash and cash equivalents - unrestricted	$ 591,833	$ 334,194	$ 140,688
Cash and cash equivalents - restricted	108,608	110,136	22,312
Cash, cash equivalents, and restricted cash, end of year	$ 700,441	$ 444,330	$ 163,000	$ 79,754