Summary of Significant Accounting Policies - Net Loss Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	2 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2023	Jul. 21, 2023	Dec. 31, 2022
Summary of Significant Accounting Policies
Net loss available to common stockholders, basic		$ (323,954)	$ (60,678)	$ (52,556)
Net loss available to common stockholders, diluted		$ (323,954)	$ (60,678)	$ (52,556)
Weighted average common shares outstanding, basic		37,159,600	138,848,177	138,848,177
Weighted average common shares outstanding, diluted		37,159,600	138,848,177	138,848,177
Net loss per share attributable to common stockholders, basic	$ (8.01)	$ (8.72)	$ (0.44)	$ (0.38)
Net loss per share attributable to common stockholders, diluted	$ (8.01)	$ (8.72)	$ (0.44)	$ (0.38)