Summary Of Significant Accounting Policies Consolidated Statement of Cash Flows - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents		$ 157,944	$ 162,132
Restricted cash	[1]	20,245	13,031
Total cash, cash equivalents, and restricted cash		$ 178,189	$ 175,163	$ 808,442	$ 816,896

[1] Restricted cash balances are included in "prepaid expenses and other assets" on our consolidated balance sheets.