Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swap liabilities	$ 5,937	$ 8,766
Warrant Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability	10,165
Contingent Value Rights Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability		656
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	134
Interest rate swap liabilities	5,937	8,766
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	10,165	8,790
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		656
Carrying Value
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Value of mortgage loan	157,724	160,655
Estimated Fair Value
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Value of mortgage loan	$ 161,335	$ 163,906