Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Total revenues	$ 604,718	$ 568,507
Product revenues, net
Revenues
Total revenues	504,811	486,727
JAKAFI
Revenues
Total revenues	465,710	459,479
ICLUSIG
Revenues
Total revenues	25,645	27,248
PEMAZYRE
Revenues
Total revenues	13,456
Product royalty revenues
Revenues
Total revenues	99,907	81,780
JAKAVI Royalty Revenues
Revenues
Total revenues	65,602	56,333
OLUMIANT Royalty Revenues
Revenues
Total revenues	32,258	$ 25,447
TABRECTA Royalty Revenues
Revenues
Total revenues	$ 2,047