Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards - Recent Accounting Standards (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Lease liability	$ 1,803	$ 1,890
ASU 2016-02 | Adjustment
Right-of-use asset			$ 2,100
Lease liability			$ 2,200