Revenue Recognition and Accounts Receivable - Additional Information (Detail) € in Millions	1 Months Ended	3 Months Ended								12 Months Ended
	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)	Dec. 31, 2018 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 EUR (€)
Revenue Recognition And Accounts Receivable [Line Items]
Marketing service fees										$ 62,891,000		$ 57,453,000		$ 60,285,000
Cost of sales		$ 26,191,000	$ 24,896,000	$ 25,812,000	$ 23,708,000	$ 25,626,000	$ 24,020,000	$ 22,835,000	$ 24,147,000	100,607,000		96,628,000		93,037,000
Sale of receivables										10,900,000	€ 9.8	11,500,000	€ 9.8	11,200,000	€ 9.8
Estimated related fees										300,000		300,000		300,000
Other Contract Assets [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Other contract assets impairment										0		0
Other Long-Term Assets [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Other contract assets		$ 3,700,000				$ 1,900,000				3,700,000		1,900,000
Puerto Rico [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Proceeds from settlement of trade accounts receivable	$ 1,400,000
Accounts receivable	2,500,000			2,500,000
Contractual allowances	400,000			$ 400,000
Recovery of the allowance for doubtful accounts	$ 1,000,000.0
Shipping and Handling Costs [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Cost of sales										2,800,000		$ 2,700,000		$ 3,000,000.0
Biologics [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Marketing service fees										$ 62,900,000
Marketing service fee as percentage of segment revenues										96.00%	96.00%