CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	2,000,000,000	2,000,000,000
Common stock, shares issued (in shares)	85,610,800	84,917,448
Common stock, shares outstanding (in shares)	85,610,800	84,917,448
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	200,000,000	200,000,000
Preferred stock, shares issued (in shares)	8,050,000	8,050,000
Preferred stock, shares outstanding (in shares)		8,050,000