Income Taxes - Income Tax Expense Reconciliation Between U.S. Statutory Tax Rate and Effective Tax Rate (Details) - USD ($) $ in Thousands	8 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Income from continuing operations, before tax	$ 24,795	$ 305
Income tax at U.S. statutory federal rate	8,665	107
Increases (decreases) resulting from:
State taxes, net of federal benefit	266	(224)
Benefit of REIT status	(8,193)	(4,016)
Capitalized transaction costs		(3,915)
Change in valuation allowance		8,176
Adjustment of deferred tax balances		149
Permanent differences		52
Rate differential		188
Total income tax expense	$ 738	$ 517