Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Contingently redeemable class c units in operating partnership, shares issued (in shares)	27,920,954	11,767,678
Contingently redeemable class c units in operating partnership, shares outstanding (in shares)	27,920,954	11,767,678
Contingently redeemable class c units in operating partnership, liquidation preference	$ 411,834	$ 173,573
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	1	1
Preferred stock, shares outstanding (in shares)	1	1
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	39,151,201	39,134,628
Common stock, shares outstanding (in shares)	39,151,201	39,134,628