Consolidated Balance Sheets (Parentheticals) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
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 outstanding (in shares)	0	0
Preferred stock, shares Issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	260,000,000	260,000,000
Common stock, shares issued (in shares)	44,155,735	44,155,735
Common stock, shares outstanding (in shares)	44,155,735	44,155,735
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	225,000,000
Common stock, shares issued (in shares)	43,902,118
Common stock, shares outstanding (in shares)	43,902,118
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.01
Common stock, shares authorized (in shares)	35,000,000
Common stock, shares issued (in shares)	8,783,877