INTANGIBLE ASSET AND GOODWILL (Tables)

6 Months Ended

Jun. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible asset, net of accumulated amortization, prior impairments and adjustments as of June 30, 2023 and December 31, 2022 consisted of the following (in thousands):

	Three Months Ended June 30, 2023						December 31, 2022
Intangible asset:	Gross Carrying Value		Accumulated Amortization		Net Book Value		Net Book Value		Estimated Useful Life
Developed product rights for Auryxia	$	214,705	$	(160,642)	$	54,063	$	72,084	6 years