Investments and Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Cash, cash equivalents and investments [Abstract]
Cash and restricted cash	$ 39,600	$ 50,114
Cash equivalents [Abstract]
Total cash, restricted cash and cash equivalents	39,600	50,114	$ 44,893	$ 41,348
Amortized Cost	1,680	2,160
Cash, restricted cash, cash equivalents and investments, amortized costs	41,280	52,274
Gross Unrealized (Loss)	(13)	(20)
Fair Value	1,667	2,140
Cash, restricted cash, cash equivalents and investments, fair value.	41,267	52,254
Contractual maturities on investments, amortized cost basis [Abstract]
Due within 1 year	1,680	2,160
Investments, amortized cost	1,680	2,160
Contractual maturities on investments, fair value basis [Abstract]
Due within 1 year	1,667	2,140
Investments, fair value	1,667	2,140
Certificates of deposit.
Cash equivalents [Abstract]
Amortized Cost	1,680	2,160
Gross Unrealized (Loss)	(13)	(20)
Fair Value	1,667	2,140
Contractual maturities on investments, amortized cost basis [Abstract]
Investments, amortized cost	1,680	2,160
Contractual maturities on investments, fair value basis [Abstract]
Investments, fair value	$ 1,667	$ 2,140