Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net loss	$ (12,635,135)	$ (21,579,230)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	25,891,510	15,964,496
Accretion of fair market value adjustment of secured debt	(231,388)	(253,843)
Amortization of debt issuance costs	1,096,071	2,101,477
Expense related to issuance of restricted stock	21,347	26,609
Increase (decrease) in cash from changes in assets and liabilities:
Other assets	(2,563,309)	(1,435,611)
Restricted cash	(1,710,698)	(957,777)
Accounts payable and accrued liabilities	3,985,234	3,654,629
Due to affiliates	117,085	419,619
Net cash provided by (used in) operating activities	13,970,717	(2,059,631)
Cash flows from investing activities:
Purchase of real estate	(49,432,644)	(454,364,443)
Additions to real estate facilities	(2,797,888)	(5,553,599)
Deposits on acquisition of real estate facilities	0	(5,300,100)
Settlement of foreign currency hedges	(4,072,790)	0
Restricted cash	(735,138)	(956,614)
Net cash used in investing activities	(57,038,460)	(466,174,756)
Cash flows from financing activities:
Gross proceeds from issuance of debt	166,186,951	354,598,908
Pay down of debt	(127,671,050)	(125,154,150)
Scheduled principal payments on debt	(1,109,798)	(128,910)
Debt issuance costs	(528,744)	(4,308,513)
Gross proceeds from issuance of common stock	18,879,430	259,463,320
Offering costs	(2,152,888)	(23,805,197)
Redemption of common stock	(1,085,756)	(731,746)
Distributions paid to common stockholders	(12,425,167)	(7,719,811)
Distributions paid to noncontrolling interests in our Operating Partnership	(177,398)	(9,019)
Net cash provided by financing activities	39,915,580	452,204,882
Impact of foreign exchange rate changes on cash	122,718	(112,802)
Change in cash and cash equivalents	(3,029,445)	(16,142,307)
Cash and cash equivalents, beginning of period	14,993,869	28,104,470
Cash and cash equivalents, end of period	11,964,424	11,962,163
Supplemental disclosures and non-cash transactions:
Cash paid for interest	11,694,161	3,759,238
Supplemental disclosure of noncash activities:
Deposits applied to purchase of real estate facilities	250,000	2,004,907
Proceeds from issuance of common stock in other assets	0	465,453
Debt and accrued liabilities assumed during purchase of real estate facilities	39,967,786	33,039,762
Redemption of common stock included in accounts payable and accrued liabilities	646,796	335,797
Transfer of construction in process to real estate facilities	1,782,546	0
Offering costs included in due to affiliates	299,299	2,306,949
Offering costs included in accounts payable and accrued liabilities	0	27,959
Debt issuance costs included in accounts payable and accrued liabilities	0	20,789
Foreign currency contracts, interest rate swaps, and interest rate cap contract in accounts payable and accrued liabilities and other assets	574,120	931,494
Issuance of shares pursuant to distribution reinvestment plan	11,988,010	7,354,310
Distributions payable	2,743,955	2,285,075
Issuance of units in our Operating Partnership for purchase of real estate facilities	$ 4,875,454	$ 0