Summary of Significant Accounting Policies (Other Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other Assets
Prepaid insurance	$ 726	$ 493
Prepaid property taxes	589	80
Deferred tax assets	2,973	844
Other	932	490
Other assets	5,129	1,907
Valuation allowance	(1,800)	(800)
Held for sale
Other Assets
Other assets	5,220	$ 1,907
Other assets	$ 91