Commitments and Contingencies - Schedule of Management Agreement Termination Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Termination liability, beginning	$ 116
Additions to liability		337
Change in fair value recognized in non-operating income (expense)	(26)	(176)
Settlement distributions	(90)	(46)
Termination liability, ending		$ 116