Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Common Stock, Par Value	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	180,000	180,000
Common stock, shares issued (in shares)	93,174	86,357
Common Stock, Shares Outstanding	93,174	86,357
Investment property, net	$ 7,232,620	$ 6,118,316
Other assets, net (including $23,894 and $19,809 for consolidated VIEs at December 31, 2019 and December 31, 2018; see Note 8)	219,896	164,211
Secured debt	3,180,592	2,815,957
Other liabilities	81,289	51,581
Variable Interest Entity, Primary Beneficiary [Member]
Investment property, net	344,300	308,171
Other assets, net (including $23,894 and $19,809 for consolidated VIEs at December 31, 2019 and December 31, 2018; see Note 8)	23,894	19,809
Secured debt	46,993	44,172
Other liabilities	$ 13,631	$ 6,914
Series A-4 Preferred Stock [Member]
Series A-4 Preferred Stock, Par Value	$ 0.01	$ 0.01
Temporary Equity, Shares Issued	0	1,063
Temporary Equity, Shares Outstanding	0	1,063