CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Common stock, shares authorized	248,125,000
Class K Common Stock
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	55,500,000	55,500,000
Common stock, shares issued	3,947,642	3,608,062
Common Stock, shares outstanding	3,947,642	3,608,062
Class K-I Common Stock
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	55,500,000	55,500,000
Common stock, shares issued	1,315,534	666,728
Common Stock, shares outstanding	1,315,534	666,728
Class K-T Common Stock
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	116,000,000	116,000,000
Common stock, shares issued	62,946	47,769
Common Stock, shares outstanding	62,946	47,769
Class A Common Stock
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	21,000,000	21,000,000
Common stock, shares issued	581,410	537,410
Common Stock, shares outstanding	581,410	537,410
Class B Common Stock
Common stock, par value per share (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	125,000	125,000
Common stock, shares issued	125,000	125,000
Common Stock, shares outstanding	125,000	125,000