Fair Value Measurements - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Fair Value Measurements
Total	$ 6,994	$ 0
Level 1 [Member]
Fair Value Measurements
Total	0
Level 2 [Member]
Fair Value Measurements
Total	6,994
Level 3 [Member]
Fair Value Measurements
Total	0
Mutual Fund [Member]
Fair Value Measurements
Total	1,166
Mutual Fund [Member] | Level 1 [Member]
Fair Value Measurements
Total	0
Mutual Fund [Member] | Level 2 [Member]
Fair Value Measurements
Total	1,166
Mutual Fund [Member] | Level 3 [Member]
Fair Value Measurements
Total	0
US Treasury Securities [Member]
Fair Value Measurements
Total	3,757
US Treasury Securities [Member] | Level 1 [Member]
Fair Value Measurements
Total	0
US Treasury Securities [Member] | Level 2 [Member]
Fair Value Measurements
Total	3,757
US Treasury Securities [Member] | Level 3 [Member]
Fair Value Measurements
Total	0
Certificates of Deposit [Member]
Fair Value Measurements
Total	1,099
Certificates of Deposit [Member] | Level 1 [Member]
Fair Value Measurements
Total	0
Certificates of Deposit [Member] | Level 2 [Member]
Fair Value Measurements
Total	1,099
Certificates of Deposit [Member] | Level 3 [Member]
Fair Value Measurements
Total	0
Corporate bonds and notes [Member]
Fair Value Measurements
Total	972
Corporate bonds and notes [Member] | Level 1 [Member]
Fair Value Measurements
Total	0
Corporate bonds and notes [Member] | Level 2 [Member]
Fair Value Measurements
Total	972
Corporate bonds and notes [Member] | Level 3 [Member]
Fair Value Measurements
Total	$ 0