Stockholders' Equity and Redeemable Non-Controlling Interests - Additional Information (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2018 USD ($) subsidiary	Dec. 31, 2019 USD ($)	Dec. 10, 2019
Class of Stock [Line Items]
Tax distribution		$ 1,000	$ 0	$ 1,000	$ 0
Liability included in related-party payables, tax distribution		1,000		1,000
Acquired non-controlling interest, number of non-public subsidiaries | subsidiary						1
Acquired non-controlling interest, non-public subsidiary						$ 3,000
Related party payable - short term		8,455		8,455			$ 5,969
Tax distribution recorded as a reduction to redeemable non-controlling interest		$ 400		$ 400
AvKARE and R&S Acquisitions
Class of Stock [Line Items]
Voting interest acquired (percent)	65.10%							65.10%
Liabilities incurred, fair value	$ 11,000
AvKARE and R&S Acquisitions | Rondo
Class of Stock [Line Items]
Ownership percentage by noncontrolling owners (percent)	34.90%	34.90%		34.90%
Non-public Subsidiary
Class of Stock [Line Items]
Related party payable - short term		$ 400		$ 400		$ 3,000