Discontinued Operations - Interest Expense Reclassified to Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of debt issuance costs and discount			$ 1,049	$ 4,981
Interest expense	$ 3,578	$ 6,873	$ 9,175	17,036
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		11,060		34,410
Amortization of debt issuance costs and discount		1,215		3,692
Capitalized interest		(114)		(519)
Other		87		274
Interest expense		$ 12,248		$ 37,857