Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 29,444	$ 17,830
Short-term finance receivables allowance	23,104	12,556
Long-term finance receivables allowance	15,764	7,095
Other assets, fair value	$ 280,083	$ 232,938
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	480,000,000	480,000,000
Common stock, shares issued (in shares)	323,337,912	323,337,912
Treasury stock (in shares)	151,947,224	152,888,969