Net Income per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of calculation of numerator and denominator in earnings per share

Net Loss per Basic and Diluted Share	Eight Months Ended August 31,		Year Ended December 31,
(in thousands, except per share amounts)	2020		2019		2018
Numerator
Net loss from continuing operations	$	(43,040)	$	(57,094)	$	(32,765)
Net loss from discontinued operations	$	(34,915)	$	(13,597)	$	(36,094)
Loss attributable to the PDL’s stockholders used to compute net loss per basic and diluted share	$	(77,296)	$	(70,411)	$	(68,859)
Denominator
Total weighted-average shares used to compute net loss attributable to PDL's stockholders, per basic share	118,001		118,631		145,669
Shares used to compute net loss attributable to PDL’s stockholders, per diluted share	118,001		118,631		145,669
Net loss per share - basic
Continuing operations	$	(0.36)	$	(0.48)	$	(0.22)
Discontinued operations	$	(0.30)	$	(0.11)	$	(0.25)
Net loss attributable to PDL’s stockholders per basic share	$	(0.66)	$	(0.59)	$	(0.47)
Net loss per share - diluted
Continuing operations	$	(0.36)	$	(0.48)	$	(0.22)
Discontinued operations	$	(0.30)	$	(0.11)	$	(0.25)
Net loss attributable to PDL’s stockholders per diluted share	$	(0.66)	$	(0.59)	$	(0.47)