Investments and Fair Value Measurements - Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Assets, Fair Value Disclosure [Abstract]
Investments, amortized cost	$ 1,667	$ 2,140
Fair Value, Transfer Between Level 1 and Level 2, Description and Policy [Abstract]
Transfer from Level 1 to Level 2 , assets	0
Transfer from Level 2 to Level 1 , assets	0
Transfers into Level 3, assets	0
Transfer out of Level 3, assets	0
Recurring
Assets, Fair Value Disclosure [Abstract]
Total	1,667	2,140
Recurring | Certificates of deposit.
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents, fair value disclosure	1,667	2,140
Recurring | Significant Other Observable Inputs (Level 2)
Assets, Fair Value Disclosure [Abstract]
Total	1,667	2,140
Recurring | Significant Other Observable Inputs (Level 2) | Certificates of deposit.
Assets, Fair Value Disclosure [Abstract]
Cash and cash equivalents, fair value disclosure	$ 1,667	$ 2,140