CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Balance Sheet Parenthetical Disclosures
Reserves for loans receivable	$ 4,198	$ 10,280
Allowance for accounts receivable	$ 3,429	$ 3,994
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	750,000,000	750,000,000
Common stock, shares issued (in shares)	538,955,168	538,405,393
Common stock, shares outstanding (in shares)	538,955,168	538,405,393