Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Disclosure of share-based compensation by share-based payment award

Change in Number of BSPCE/OSA/RSU/BSA

	OSA/BSPCE	RSU/PSU	BSA	Total
Balance at January 1, 2020	2,559,534	4,978,986	363,767	7,902,287
Granted	140,513	1,825,935	—	1,966,448
Exercised (OSA/BSPCE/BSA)	(7,700)	—	—	(7,700)
Vested (RSU)	—	(856,938)	—	(856,938)
Forfeited	(166,459)	(479,370)	(12,742)	(658,571)
Expired	(3,600)	—	—	(3,600)
Balance at June 30, 2020	2,522,288	5,468,613	351,025	8,341,926

Breakdown of the Closing Balance

	OSA/BSPCE		RSU	BSA
Number outstanding	2,522,288		5,468,613	351,025
Weighted-average exercise price	€	22.02	NA	€	14.82
Number vested	1,808,388		NA	165,291
Weighted-average exercise price	€	24.24	NA	€	17.13
Weighted-average remaining contractual life of options outstanding, in years	5.80		NA	7.15

Schedule of share-based compensation reconciliation with the Consolidated Statements of Income

Reconciliation with the Unaudited Consolidated Statements of Income

	Three Months Ended
	June 30, 2019								June 30, 2020
	(in thousands)
	R&D		S&O		G&A		Total		R&D		S&O		G&A		Total
RSUs	$	(3,952)	$	(4,669)	$	(3,496)	$	(12,117)	$	(2,068)	$	(1,516)	$	(2,585)	$	(6,169)
Share options / BSPCE	624		777		(646)		755		—		(56)		(579)		(635)
Total share-based compensation	(3,328)		(3,892)		(4,142)		(11,362)		(2,068)		(1,572)		(3,164)		(6,804)
BSAs	—		—		(351)		(351)		—		—		(355)		(355)
Total equity awards compensation expense	$	(3,328)	$	(3,892)	$	(4,493)	$	(11,713)	$	(2,068)	$	(1,572)	$	(3,519)	$	(7,159)

	Six Months Ended
	June 30, 2019								June 30, 2020
	(in thousands)
	R&D		S&O		G&A		Total		R&D		S&O		G&A		Total
RSUs	$	(7,798)	$	(10,624)	$	(6,012)	$	(24,434)	$	(4,438)	$	(5,135)	$	(4,573)	$	(14,146)
Share options / BSPCE	445		531		(1,426)		(450)				(55)		(734)		(789)
Total share-based compensation	(7,353)		(10,093)		(7,438)		(24,884)		(4,438)		(5,190)		(5,307)		(14,935)
BSAs	—		—		(711)		(711)		—		—		(727)		(727)
Total equity awards compensation expense	$	(7,353)	$	(10,093)	$	(8,149)	$	(25,595)	$	(4,438)	$	(5,190)	$	(6,034)	$	(15,662)