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Intangibles, Net and Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-lived Intangible Assets [Roll Forward]
Intangibles, gross		$ 68,756	$ 73,809
Additions	$ 0	0
Amortization	(5,052)	(5,053)	(5,052)
Intangibles, net	63,704	68,756
Acquired ARIKAYCE R&D
Finite-lived Intangible Assets [Roll Forward]
Intangibles, gross		37,588	42,439
Additions	0	0
Amortization	(4,850)	(4,851)
Intangibles, net	32,738	37,588
Acquired IPR&D
Finite-lived Intangible Assets [Roll Forward]
Intangibles, gross		29,600	29,600
Additions	0	0
Amortization	0	0
Intangibles, net	29,600	29,600
PARI milestones
Finite-lived Intangible Assets [Roll Forward]
Intangibles, gross		1,568	$ 1,770
Additions	0	0
Amortization	(202)	(202)
Intangibles, net	$ 1,366	$ 1,568

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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