Equity - Schedule of Distributions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Class of Stock [Line Items]
Distributions declared	$ 1,353,000		$ 2,610,043
Distributions reinvested in shares of common stock paid	666,356	$ 433,009	1,243,229	$ 605,527
Cash distributions paid	596,007		1,088,830
Total distributions paid	1,262,363		2,332,059
Class A Common Stock
Class of Stock [Line Items]
Distributions declared	84,122		169,363
Distributions reinvested in shares of common stock paid	26,066		51,470
Cash distributions paid	59,019		115,178
Total distributions paid	85,085		166,648
Class T Common Stock
Class of Stock [Line Items]
Distributions declared	121,467		243,997
Distributions reinvested in shares of common stock paid	74,229		146,516
Cash distributions paid	48,096		92,942
Total distributions paid	122,325		239,459
Class R Common Stock
Class of Stock [Line Items]
Distributions declared	1,047,968		2,034,919
Distributions reinvested in shares of common stock paid	558,826		1,035,611
Cash distributions paid	418,723		764,725
Total distributions paid	977,549		1,800,336
Class I Common Stock
Class of Stock [Line Items]
Distributions declared	99,443		161,764
Distributions reinvested in shares of common stock paid	7,235		9,631
Cash distributions paid	70,168		115,985
Total distributions paid	$ 77,403		$ 125,616