Acquisitions, Disposals and Deconsolidations	3 Months Ended
Acquisitions, Disposals and Deconsolidations	Mar. 31, 2024
Business Combination and Asset Acquisition [Abstract]
Acquisitions, Disposals and Deconsolidations	Acquisitions, Disposals and Deconsolidations Acquisitions During the three months ended March 31, 2024: •The Company acquired a controlling interest in two surgical facilities and several physician practices for aggregate cash consideration of $66.0 million, net of cash acquired, and non-cash consideration of $1.1 million, which consisted of a non-controlling interest in one of the Company's existing surgical facilities. As of March 31, 2024, $11.4 million of the cash consideration was deferred and included as a component of current liabilities in the condensed consolidated balance sheets. In connection with these acquisitions, the Company preliminarily recognized non-controlling interests of $21.2 million and goodwill of $77.2 million. During the three months ended March 31, 2023: •The Company acquired a controlling interest in one surgical facility and one physician practice for aggregate cash consideration of $16.2 million, net of cash acquired and non-cash consideration of $1.3 million, which consisted of non-controlling interest in one of the Company's existing surgical facilities. In connection with these acquisitions, the Company preliminarily recognized non-controlling interests of $12.0 million and goodwill of $25.7 million. •The Company acquired a controlling interest in two surgical facilities, which were previously accounted for as equity method investments, for aggregate cash consideration of $24.5 million, net of cash acquired. These transactions resulted in the consolidation of the previously non-consolidated entities. The previously held non-controlling interests were remeasured and recorded at fair value as of the dates of the transactions. The fair value measurement utilizes Level 3 inputs, which includes unobservable data. The acquisition date fair value of the previously held non-controlling interests was $8.3 million. As a result of increasing its ownership interest, the Company recognized a net loss of $2.9 million included in net loss on disposals, consolidations and deconsolidations in the condensed consolidated statements of operations for the three months ended March 31, 2023. The net loss was determined based on the difference between the fair value of the Company's previously held non-controlling interests in the entities and the carrying values immediately prior to the transactions. In connection with the consolidation of these facilities, the Company preliminarily recognized non-controlling interests of $34.2 million and goodwill of $65.6 million. •The Company acquired a non-controlling interest in one existing surgical facility and one in-development de novo surgical facility for aggregate cash consideration of $12.4 million. The non-controlling interests were accounted for as equity method investments and recorded as a component of investments in and advances to affiliates in the condensed consolidated balance sheets. Disposals During the three months ended March 31, 2024, the Company sold a portion of its interests in a surgical facility for net cash proceeds of $1.5 million. As a result of the transaction, the Company lost control of the previously controlled surgical facility but retains a non-controlling interest, resulting in the deconsolidation of the previously consolidated entity. This transaction resulted in a pretax net gain on deconsolidation of $2.7 million, which is included in net loss on disposals, consolidations and deconsolidations in the accompanying condensed consolidated statements of operations for the three months ended March 31, 2024. The net loss was determined based on the difference between the net cash proceeds plus the fair value of the Company’s retained interests in the entity and the carrying values of both the tangible and intangible assets of the entity immediately prior to the transaction. During the three months ended March 31, 2023, the Company sold its interests in a surgical facility for a cash sales price of $8.8 million, a portion of which was held in escrow pursuant to the purchase agreement. In connection with the sale, the Company recognized a pre-tax loss of $0.2 million included in net loss on disposals, consolidations and deconsolidations in the condensed consolidated statements of operations for the three months ended March 31, 2023.