CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Properties held-for-sale, accumulated depreciation	$ 0	$ 35,113
Mortgage loans receivable, loan loss reserve	2,592	2,560
Notes receivable, loan loss reserve	$ 146	$ 181
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	60,000	60,000
Common stock, shares issued	39,242	39,752
Common stock, shares outstanding	39,242	39,752
Senior Unsecured Notes
Debt issue costs, net	$ 658	$ 812