Debt - Future Principal Payment Requirements on Outstanding Secured Debt (Parenthetical) (Detail) - Courtyard Initial Bridge Loan [Member]	3 Months Ended
	Mar. 31, 2019
Debt Instrument [Line Items]
Loan maturity date	Aug. 31, 2019	[1]
Loan maturity conditional maturity date	Apr. 30, 2020
Commitment fee percentage on loan principal outstanding	0.50%

[1] The variable rate reflected in the table was the rate in effect as of March 31, 2019. The loan may be extended eight months from the maturity date upon the payment of a fee equal to 0.50% of the outstanding principal balance of the loan at the time of such extension and certain other terms are met, such as there has not been an event of default.