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INTANGIBLE ASSET AND GOODWILL	3 Months Ended
	Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]
INTANGIBLE ASSET AND GOODWILL	INTANGIBLE ASSET AND GOODWILL Intangible Asset The Company maintained a definite-lived intangible asset related to developed product rights for Auryxia. The intangible asset was initially recorded at fair value and was stated net of accumulated amortization. The Company amortized the intangible asset using the straight-line method over the estimated useful life of six years. The intangible asset was fully amortized as of December 31, 2024. The Company recorded $9.0 million in amortization expense for the three months ended March 31, 2024 related to the developed product rights for Auryxia. Goodwill As of each of March 31, 2025 and December 31, 2024, the Company had goodwill of $59.0 million in connection with the December 2018 merger with Keryx. The Company has not identified any goodwill impairment to date.

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- References

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- Definition

The entire disclosure for goodwill and intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-30/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-20/tableOfContent

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