Marketable Securities - Available-for-sale Marketable Securities in Gross Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	$ 4,087	$ 4,396
Gross unrealized holding losses, less than 12 months	(2)	(23)
Estimated fair value, more than 12 months	0	0
Gross unrealized holding losses, more than 12 months	0	0
Estimated fair value	4,087	4,396
Gross unrealized holding losses	(2)	(23)
US Treasury securities [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	1,298	1,803
Gross unrealized holding losses, less than 12 months	0	(1)
Estimated fair value, more than 12 months	0	0
Gross unrealized holding losses, more than 12 months	0	0
Estimated fair value	1,298	1,803
Gross unrealized holding losses	0	(1)
Mutual funds [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	2,123	1,505
Gross unrealized holding losses, less than 12 months	(2)	0
Estimated fair value, more than 12 months	0	0
Gross unrealized holding losses, more than 12 months	0	0
Estimated fair value	2,123	1,505
Gross unrealized holding losses	(2)	0
Certificates of deposit [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	413	103
Gross unrealized holding losses, less than 12 months	0	0
Estimated fair value, more than 12 months	0	0
Gross unrealized holding losses, more than 12 months	0	0
Estimated fair value	413	103
Gross unrealized holding losses	0	0
Corporate debt securities [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	253	985
Gross unrealized holding losses, less than 12 months	0	(22)
Estimated fair value, more than 12 months	0	0
Gross unrealized holding losses, more than 12 months	0	0
Estimated fair value	253	985
Gross unrealized holding losses	$ 0	$ (22)