Subsequent Events - Additional Information (Details) - Subsequent Event	1 Months Ended
	Jul. 31, 2018 Agreement	Aug. 06, 2018 USD ($)
Subsequent Event [Line Items]
Number of lines of credit | Agreement	2
Line of credit extended maturity date	Jun. 30, 2020
BUC [Member] | Capital on Demand Sales Agreement [Member] | Maximum [Member]
Subsequent Event [Line Items]
Aggregate offering price | $		$ 75,000,000
Term A/B Trust [Member] | Courtyard Series B [Member]
Subsequent Event [Line Items]
Debt instrument extended maturity period	2018-08