Investments and Fair Value Measurements (Details) - USD ($)	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Cash Equivalents, at Carrying Value
Cash, restricted cash and cash equivalents	$ 38,184,000	$ 33,811,000	$ 39,600,000	$ 50,114,000
Fair Value	0	0
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity
Fair Value	0	0
Restricted cash	6,600,000	10,978,000
Investments, cost method	551,000	$ 551,000
Investment	$ 0