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Business Combinations, Assets Held for Sale and Discontinued Operations - Schedule of Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Operating expenses: |  |  |  |
Net loss | $ (38,392) | $ (1,268,803) | $ (718,125) | $ (1,539,314)
Radiology Partners Inc [Member] |  |  |  |
Net revenue | 125,765 | 125,650 | 340,133 | 366,678
Operating expenses: |  |  |  |
Cost of service salaries and benefits | 84,718 | 80,336 | 234,169 | 238,402
Cost of service supplies and other operating expenses | 1,449 | 1,532 | 4,273 | (1,468)
General and administrative expenses | 19,876 | 20,734 | 57,178 | 64,490
Depreciation and amortization | 5,090 | 7,595 | 20,328 | 22,757
Transformational and restructuring related expenses | 2,491 | 441 | 6,517 | 1,487
Goodwill impairment | 46,963 | 117,924 | 46,963 | 117,924
Total operating expenses | 160,587 | 228,562 | 369,428 | 443,592
Loss from operations | (34,822) | (102,912) | (29,295) | (76,914)
Non-operating (expense) income, net | 1,369 | 2,059 | 3,035 | 4,768
Loss before income taxes | (33,453) | (100,853) | (26,260) | (72,146)
Income tax (provision) benefit | (62) | 3,907 | (1,988) | (3,687)
Net loss | (33,515) | (96,946) | (28,248) | (75,833)
North American Partners In Anesthesia [Member] |  |  |  |
Net revenue | 2,700 | 309,602 | 377,661 | 924,845
Operating expenses: |  |  |  |
Cost of service salaries and benefits | 2,746 | 250,157 | 351,408 | 746,237
Cost of service supplies and other operating expenses | 38 | 2,837 | 5,254 | 9,537
General and administrative expenses | 215 | 18,338 | 31,179 | 57,909
Depreciation and amortization |  | 5,605 | 6,308 | 17,863
Transformational and restructuring related expenses |  | 6,785 | 28,634 | 17,506
Goodwill impairment |  | 1,331,291 |  | 1,331,291
Loss on sale, net | 4,499 |  | 644,653 |
Total operating expenses | 7,498 | 1,615,013 | 1,067,436 | 2,180,343
Loss from operations | (4,798) | (1,305,411) | (689,775) | (1,255,498)
Non-operating (expense) income, net |  | (17) | 51 | (14)
Loss before income taxes | (4,798) | (1,305,428) | (689,724) | (1,255,512)
Income tax (provision) benefit | 100 | 129,241 | 5,661 | 115,987
Net loss | $ (4,698) | $ (1,176,187) | $ (684,063) | $ (1,139,525)

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