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Discontinued Operations - Summary of Significant Non-Cash Operating Activities and Capital Expenditures (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Discontinued Operations and Disposal Groups [Abstract]      
Depreciation and amortization $ 0 $ 24,003  
Share-based compensation 712 617  
Adjustment of spine disposal group to fair value 11,143 [1] 0 [1] $ (289,500)
Additions to instruments 1,316 1,951  
Additions to other property, plant & equipment $ 88 $ 795  
[1] We performed an impairment analysis of the spine segment in December 2023 on a held-for-sale basis. The fair value of consideration to be received upon closure of the transaction was less than the carrying value of the spine segment's net assets resulting in a write-down of $289.5 million. We updated our analysis as of March 31, 2024, which resulted in a reduction of the December 2023 write-down of $11.1 million.