Stock-based Compensation - Options Outstanding (Details) - $ / shares	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Share-Based Payment Arrangement
Number Outstanding (in shares)	19,765	21,965	24,256	27,590
Number Exercisable (in shares)	19,765
Exercise Price (in dollars per share)	$ 331.40	$ 331.34	$ 335.75	$ 335.75
December 31,2025
Share-Based Payment Arrangement
Number Outstanding (in shares)	500
Number Exercisable (in shares)	500
Exercise Price (in dollars per share)	$ 225.00
December 31,2025
Share-Based Payment Arrangement
Number Outstanding (in shares)	300
Number Exercisable (in shares)	300
Exercise Price (in dollars per share)	$ 241.50
December 31,2025
Share-Based Payment Arrangement
Number Outstanding (in shares)	1,214
Number Exercisable (in shares)	1,214
Exercise Price (in dollars per share)	$ 412.50
December 31,2025
Share-Based Payment Arrangement
Number Outstanding (in shares)	68
Number Exercisable (in shares)	68
Exercise Price (in dollars per share)	$ 834.00
May 11, 2027
Share-Based Payment Arrangement
Number Outstanding (in shares)	1,001
Number Exercisable (in shares)	1,001
Exercise Price (in dollars per share)	$ 225.00
June 9, 2027
Share-Based Payment Arrangement
Number Outstanding (in shares)	167
Number Exercisable (in shares)	167
Exercise Price (in dollars per share)	$ 376.50
January 27, 2030
Share-Based Payment Arrangement
Number Outstanding (in shares)	1,115
Number Exercisable (in shares)	1,115
Exercise Price (in dollars per share)	$ 225.00
January 28, 2031
Share-Based Payment Arrangement
Number Outstanding (in shares)	6,667
Number Exercisable (in shares)	6,667
Exercise Price (in dollars per share)	$ 241.50
September 9, 2031
Share-Based Payment Arrangement
Number Outstanding (in shares)	8,232
Number Exercisable (in shares)	8,232
Exercise Price (in dollars per share)	$ 412.50
December 17, 2031
Share-Based Payment Arrangement
Number Outstanding (in shares)	501
Number Exercisable (in shares)	501
Exercise Price (in dollars per share)	$ 525.00