Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		21 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 622	$ 193,935
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred rent and amortization of intangible assets, liabilities and lease inducements	(1,388)	(2,379)
Depreciation and amortization	13,148	17,231
Transfer of right to collect supplemental real estate tax reimbursements	0	(5,097)
Gain on sale of real estate	0	(187,734)
Straight-line rent, below-market ground lease and amortization of intangible assets	(11)	441
Amortization of deferred loan costs	176	308
Amortization of premiums and discounts on debt	(34)	(160)
Unrealized premium adjustment	891	395
Amortization and accretion on loans receivable, net	(99)	67
Bad debt expense	109	65
Deferred income taxes	58	183
Stock-based compensation	38	49
Loans funded, held for sale to secondary market	(8,731)	(6,303)
Proceeds from sale of guaranteed loans	17,113	9,336
Principal collected on loans subject to secured borrowings	510	1,554
Other operating activity	(193)	(106)
Changes in operating assets and liabilities:
Accounts receivable and interest receivable	2,834	261
Other assets	(5,115)	(3,510)
Accounts payable and accrued expenses	(1,998)	(4,986)
Deferred leasing costs	(1,040)	(910)
Other liabilities	(8)	1,022
Due to related parties	826	(99)
Net cash provided by operating activities	17,708	13,563
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to investments in real estate	(4,119)	(3,305)
Acquisition of real estate	(112,048)	0
Proceeds from sale of real estate, net	0	289,939
Loans funded	(2,910)	(2,101)
Principal collected on loans	3,679	2,153
Other investing activity	49	56
Net cash (used in) provided by investing activities	(115,349)	286,742
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of mortgages payable	(510)	(26,477)
Proceeds from revolving credit facility	10,000	0
Payment of principal on secured borrowings	0	(1,554)
Proceeds from secured borrowings	773	0
Payment of deferred preferred stock offering costs	(404)	(261)
Payment of deferred loan costs	0	(4)
Payment of common dividends	(5,473)	(18,386)
Payment of special cash dividends	(1,575)	0
Payment of borrowing costs	0	(6)
Net proceeds from issuance of Series A Preferred Warrants	17	4	$ 148
Net proceeds from issuance of Series A Preferred Stock	8,975	1,900
Payment of preferred stock dividends	(249)	(9)
Redemption of Series A Preferred Stock	(37)	0
Net cash provided by (used in) financing activities	11,517	(44,793)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS AND RESTRICTED CASH	(86,124)	255,512
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	156,318	176,609
End of period	70,194	432,121	70,194
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH TO THE CONSOLIDATED BALANCE SHEETS:
Cash and cash equivalents				$ 39,883	$ 129,310	$ 404,346
Restricted cash				30,311	27,008	27,775
Total cash and cash equivalents and restricted cash	156,318	176,609	$ 70,194	70,194	$ 156,318	432,121
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	6,603	9,718
Federal income taxes paid	0	0
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES:
Additions to investments in real estate included in accounts payable and accrued expenses	14,096	8,203
Net increase in fair value of derivatives applied to other comprehensive income	1,183	1,552
Additions to deferred costs included in accounts payable and accrued expenses	837	342
Accrual of dividends payable to preferred stockholders				$ 493		$ 31
Preferred stock offering costs offset against redeemable preferred stock in temporary equity	61	5
Reclassification of Series A Preferred Stock from temporary equity to permanent equity	$ 1,885	$ 0