Marketable Securities - Available-for-sale Marketable Securities in Gross Unrealized Loss Position (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	$ 2,138
Gross unrealized holding losses, less than 12 months	(7)
Estimated fair value, more than 12 months	0
Gross unrealized holding losses, more than 12 months	0
Estimated fair value	2,138
Gross unrealized holding losses	(7)
Mutual funds [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	1,166
Gross unrealized holding losses, less than 12 months	(5)
Estimated fair value, more than 12 months	0
Gross unrealized holding losses, more than 12 months	0
Estimated fair value	1,166
Gross unrealized holding losses	(5)
Corporate bonds and notes [Member]
Marketable Securities [Line Items]
Estimated fair value, less than 12 months	972
Gross unrealized holding losses, less than 12 months	(2)
Estimated fair value, more than 12 months	0
Gross unrealized holding losses, more than 12 months	0
Estimated fair value	972
Gross unrealized holding losses	$ (2)