Income Taxes - Schedule of tax effects of temporary differences and carryforwards of the TRSs included in net deferred tax assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Net operating loss carryforwards	$ 22,338	$ 25,751
Property, primarily differences in depreciation and amortization, the tax basis of land assets and treatment of certain other costs	6,784	4,524
Other	1,635	1,922
Deferred tax assets	$ 30,757	$ 32,197