Equity (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2017	Mar. 31, 2016	Mar. 30, 2017	Mar. 29, 2017	Dec. 31, 2016	Apr. 07, 2016
Equity [Line Items]
Common stock, shares authorized	1,460,000,000	1,460,000,000				1,460,000,000
Common stock shares issued excluding DRP	83,835,055	83,835,055
Proceeds from issuance of common stock excluding DRP		$ 834,399
Common stock, shares outstanding	88,593,002	88,593,002				88,155,707
Distribution reinvestment plan, shares		6,596,137
Shares repurchased through the share repurchase program		1,838,190
Estimated net asset value per share					$ 9.05		$ 9.02
Distribution reinvested	$ 2,326,000	$ 6,780,000
Stock repurchase program, amount		2,737,000	$ 2,371,000
Other liabilities	$ 13,063,000	$ 13,063,000				$ 12,330,000
Repurchase of Shares Owned for One Year [Member]
Equity [Line Items]
Percentage of share price on repurchase of shares	92.50%	92.50%
Repurchase of Shares Owned for Four Years [Member]
Equity [Line Items]
Percentage of share price on repurchase of shares	100.00%	100.00%
Repurchase of Shares Owned upon Death and Qualifying Disability [Member]
Equity [Line Items]
Percentage of share price on repurchase of shares	100.00%	100.00%
SRP [Member]
Equity [Line Items]
Estimated net asset value per share	$ 9.05	$ 9.05
Other liabilities	$ 1,382,000	$ 1,382,000				$ 1,448,000
Minimum [Member]
Equity [Line Items]
Stock repurchase program, to be held		1 year
Maximum [Member]
Equity [Line Items]
Stock repurchase program shares issued in percentage		5.00%
DRP [Member]
Equity [Line Items]
Price of each common share							$ 9.50
Estimated net asset value per share				$ 9.02
Reinvestments In Common Stock		$ 9.05
Distribution reinvested		$ 6,780,000	$ 6,924,000
IPO [Member]
Equity [Line Items]
Common stock, shares authorized	150,000,000	150,000,000
Price of each common share	$ 10	$ 10