Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Federal income tax rate applicable to corporations 21.00%   35.00%
Tax provision related to the decrease in the federal income tax rate applicable to corporations     $ 17,500
Percent of REIT taxable income the entity intends to distribute 100.00%    
Provision for (benefit from) income taxes $ 3,784 $ (24,517)  
Valuation allowance on deferred tax assets $ 2,314   $ 2,740