Convertible Debt and Notes Payable - Outstanding Debt (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Debt and Capital Lease Obligations [Line Items]
Convertible debt	[1]	$ 80,808	$ 118,688
Note payable		307,653	306,818
Term loans		0	32,180
Other Notes Payable		72,505	2,516
Finance Lease, Liability		2,909	3,937
Outstanding debt		$ 463,875	$ 464,139

[1] The carrying amount of the convertible debt includes an unamortized discount of $6.7 million and $14.9 million as of December 31, 2020 and 2019, respectively.