Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Nov. 30, 2020
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swap liabilities	$ 5,536	$ 8,766	$ 8,962
Warrant Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability	8,685
Contingent Value Rights Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability	501	656	681
Recurring basis | Significant Observable Inputs (Level 2)
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swap assets	249
Interest rate swap liabilities	5,536	8,766	8,962
Recurring basis | Level 3 | Warrant Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability	8,685	8,790	11,550
Recurring basis | Level 3 | Contingent Value Rights Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability	501	656	681
Carrying Value
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Value of mortgage loan	159,463	160,655	161,048
Estimated Fair Value
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Value of mortgage loan	$ 162,625	$ 163,906	$ 164,331