Discontinued Operations - Interest Expense Reclassified to Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of debt issuance costs and discount			$ 718	$ 3,348
Total interest expense of discontinued operations	$ 3,573	$ 6,356	$ 5,597	10,163
Life Sciences | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest on debt		11,214		23,350
Amortization of debt issuance costs and discount		1,251		2,477
Capitalized interest		(182)		(405)
Other		57		188
Total interest expense of discontinued operations		$ 12,340		$ 25,610