Segment Information - Carrying Amount of Goodwill by Segment (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Changes in Goodwill
Balance	$ 285,310,000	$ 284,293,000
Acquisitions and other adjustments	0	0
Impairments	0	0
Dispositions	0	0
Foreign currency translations	(1,431,000)	1,017,000
Balance	283,879,000	285,310,000
Prescription Pharmaceuticals
Changes in Goodwill
Balance	268,593,000	267,576,000
Acquisitions and other adjustments	0	0
Impairments	0	0
Dispositions	0	0
Foreign currency translations	(1,431,000)	1,017,000
Balance	267,162,000	268,593,000
Consumer Health
Changes in Goodwill
Balance	16,717,000	16,717,000
Acquisitions and other adjustments	0	0
Impairments	0	0
Dispositions	0	0
Foreign currency translations	0	0
Balance	$ 16,717,000	$ 16,717,000

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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