Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Investments in real estate, net	$ 6,748,035	$ 3,406,555
Investments in real estate-related securities	1,650,393	915,742
Cash and cash equivalents	56,456	31,166
Restricted cash	179,588	126,563
Other assets	299,508	145,282
Total assets	8,933,980	4,625,308
Liabilities and Equity
Mortgage notes, term loans, and revolving credit facilities, net	4,493,579	2,111,291
Repurchase agreements	1,102,240	682,848
Affiliate line of credit		5,374
Due to affiliates	199,016	133,071
Accounts payable, accrued expenses, and other liabilities	508,871	182,835
Total liabilities	6,303,706	3,115,419
Commitments and contingencies
Redeemable non-controlling interest	9,187	250
Equity
Preferred stock, $0.01 par value per share, 100,000,000 shares authorized; no shares issued and outstanding as of June 30, 2018 and December 31, 2017
Additional paid-in capital	2,884,242	1,616,720
Accumulated deficit and cumulative distributions	(297,090)	(132,633)
Total stockholders' equity	2,590,122	1,485,791
Non-controlling interests	30,965	23,848
Total equity	2,621,087	1,509,639
Total liabilities and equity	8,933,980	4,625,308
Class S Shares [Member]
Equity
Common stock value	1,986	1,301
Class T Shares [Member]
Equity
Common stock value	149	56
Class D Shares [Member]
Equity
Common stock value	168	40
Class I Shares [Member]
Equity
Common stock value	$ 667	$ 307