Organization and Summary of Significant Accounting Policies - Property, Equipment and Furnishings and Restricted Cash (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted Cash
Security deposits	$ 23,790	$ 20,490
Cash and cash equivalents	7,071	12,146
Restricted cash	160,958	76,870
Total as presented in the consolidated statements of cash flows	$ 168,029	$ 89,016	$ 95,641
WEST III Notes
Restricted Cash
Projected maintenance obligation period	9 months
Minimum amount of cash from maintenance reserve payments required to be held in restricted cash account	$ 9,400
WEST IV Notes
Restricted Cash
Projected maintenance obligation period	10 months
Minimum amount of cash from maintenance reserve payments required to be held in restricted cash account	$ 4,500
WEST V Notes
Restricted Cash
Projected maintenance obligation period	12 months
Minimum amount of cash from maintenance reserve payments required to be held in restricted cash account	$ 5,000
WEST VI Notes
Restricted Cash
Projected maintenance obligation period	12 months
Minimum amount of cash from maintenance reserve payments required to be held in restricted cash account	$ 1,000
Security deposits	$ 1,000
WEST III Notes, WEST IV Notes, and WEST V Notes
Restricted Cash
Projected maintenance obligation period for security deposit	4 months
Security deposits	$ 1,000
Minimum
Property, Equipment and Furnishings
Useful life of property, equipment and furnishings	3 years
Maximum
Property, Equipment and Furnishings
Useful life of property, equipment and furnishings	39 years