Income Taxes - Narrative (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) year	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Income Tax Disclosure [Abstract]
Distribution percentage of REIT taxable income (at least)	90.00%
Number of taxable years | year	4
Taxable income	$ 23,300,000	$ 24,100,000	$ 18,000,000.0
Provision for income taxes	124,000	64,000	131,000
Deferred Income Tax Assets, Net	0	0
Income Tax Examination, Penalties and Interest Accrued	$ 0	$ 0	$ 0