General - Carrying Amounts (Details) - Block 21 - Discontinued Operations, Held-for-sale $ in Thousands	Dec. 31, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents	$ 10,408
Restricted cash	13,574
Real estate held for investment	131,286
Other assets	3,480
Total assets	158,748
Accounts payable and accrued liabilities, including taxes	7,005
Debt	141,184
Other liabilities	7,036
Total liabilities	$ 155,225