CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
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	3,927,747	3,947,642
Common Stock, shares outstanding	3,927,747	3,947,642
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	1,329,967	1,315,534
Common Stock, shares outstanding	1,329,967	1,315,534
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	63,961	62,946
Common Stock, shares outstanding	63,961	62,946
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	581,410
Common Stock, shares outstanding	581,410	581,410
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