Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The gross carrying amounts and net book value of intangible assets were as follows (in thousands):

	March 31, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Intangible assets with finite lives:
Acquired license agreement	$	26,685	$	2,360	$	24,325
In-place lease		1,433		178		1,255
Total intangible assets with finite lives		28,118		2,538		25,580
Acquired in-process research & development ("IPR&D") assets		36,550		—		36,550
Total intangible and acquired IPR&D assets	$	64,668	$	2,538	$	62,130

	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Intangible assets with finite lives:
Acquired license agreement	$	26,685	$	1,968	$	24,717
In-place lease		1,433		141		1,292
Total intangible assets with finite lives		28,118		2,109		26,009
Acquired IPR&D assets		36,550		—		36,550
Total intangible and acquired IPR&D assets	$	64,668	$	2,109	$	62,559

Schedule of Finite-Lived Intangible Assets Estimated Future Amortization Expense

Based on finite-lived intangible assets recorded as of March 31, 2022, the estimated future amortization expense for the next five years is as follows (in thousands):

Year Ending December 31,	Estimated Amortization Expense
2022 (remaining nine months)	$	1,293
2023		1,733
2024		1,733
2025		1,733
2026		1,733
Thereafter		17,355