Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Debt - Allocation of Fair Value to Liability (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018	Jan. 07, 2018
Debt Instrument [Line Items]
Common stock	$ 1,871	$ 1,868
Funding agreement \| RPI Finance Trust
Debt Instrument [Line Items]
Liability related to sale of future royalties		$ 202,000	$ 182,200
Common stock			67,800
Royalty purchase agreement arrangements consideration			$ 250,000