Acquisitions and Dispositions - Goodwill Impairment (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Dec. 03, 2021
Business Combination and Asset Acquisition [Abstract]
Goodwill	$ 91,632,000	$ 91,632,000	$ 188,500,000
Impairment loss on goodwill	$ 0	$ 102,300,000
Number of days prior to the measurement date considered for average share price	7 days
Number of days prior to the measurement date taken for average share price	30 days
Number of years of historical transactions used for estimation of control premium	3 years
Percentage of fair value in excess of carrying amount	10.00%