Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
REIT requirements and income tax information
Percentage of nondeductible excise tax the entity would be subject to if they fail to meet the minimum distributions requirement			4.00%
Income tax expense (benefit)	$ (2,645)	$ 895	$ (8,604)	$ 4,123
Minimum
REIT requirements and income tax information
Percentage of taxable income distributed in the form of qualifying distributions			90.00%
Maximum
REIT requirements and income tax information
Percentage of taxable income distributed in the form of qualifying distributions			100.00%