Preferred Equity - Additional Information (Detail) (USD $)	3 Months Ended	0 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Nov. 03, 2014
Preferred Units [Line Items]
Redeemable preferred equity	$ 172,967	$ 73,514
Issuance of preferred units, value	0
Distribution description	The holders of the Preferred Units will receive current distributions (the “Current Distributions”) at a rate of a one-month LIBOR plus 6.5% per annum on the Liquidation Amount, payable monthly and calculated on an actual/360 basis. In addition to the Current Distributions, our Operating Partnership has the obligation to elect either (A) to pay the holder of the Preferred Units additional distributions monthly in an amount equal to: (i) 4.35% per annum of the Liquidation Amount through March 31, 2017; and (ii) beginning April 1, 2017, 6.35% per annum of the Liquidation Amount or (B) defer the additional distributions ( the “Deferred Distributions”) in an amount that will accumulate monthly in an amount equal to (i) LIBOR plus 10.85% of the Deferred Distributions through March 31, 2017; and (ii) beginning April 1, 2017, LIBOR plus 12.85% of the Deferred Distributions.
Current Distributions
Preferred Units [Line Items]
Distribution rate	6.50%
Additional Distributions | March 31, 2017
Preferred Units [Line Items]
Distribution rate description	4.35% per annum of the Liquidation Amount
Distribution rate	4.35%
Additional Distributions | April 1, 2017
Preferred Units [Line Items]
Distribution rate description	6.35% per annum of the Liquidation Amount
Distribution rate	6.35%
Deferred Distributions | March 31, 2017
Preferred Units [Line Items]
Distribution rate	10.85%
Deferred Distributions | April 1, 2017
Preferred Units [Line Items]
Distribution rate	12.85%
Preferred Equity in our Operating Partnership [Member]
Preferred Units [Line Items]
Preferred investor received	2,000,000
Preferred investor investment in operating partnership	56,500,000
Issuance of preferred units, value	49,944,862
LIBOR | Current Distributions
Preferred Units [Line Items]
Distribution rate description	LIBOR plus 6.5%
LIBOR | Deferred Distributions | March 31, 2017
Preferred Units [Line Items]
Distribution rate description	LIBOR plus 10.85%
LIBOR | Deferred Distributions | April 1, 2017
Preferred Units [Line Items]
Distribution rate description	LIBOR plus 12.85%
Raleigh/Myrtle Beach Portfolio
Preferred Units [Line Items]
Preferred investor received		1,020	260,000
Preferred investor investment in operating partnership			6,500,000
Equity method investment			5,000,000
Expenses incurred for investment		25,000	1,500,000
Unit Purchase Agreement
Preferred Units [Line Items]
Liquidation preference			$ 25.00
Unit Purchase Agreement | Maximum
Preferred Units [Line Items]
Redeemable preferred equity			$ 65,000,000
Preferred investor received			2,600,000