Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Short-term investments, fair value	$ 2,399	$ 1,882
Allowance for doubtful accounts	4,217	5,344
Short-term finance receivables allowance	11,522	11,395
Long-term finance receivables allowance	10,595	10,555
Other assets, fair value	$ 227,583	$ 229,936
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized (in shares)	480,000	480,000
Common stock, issued (in shares)	323,338	323,338
Treasury stock (in shares)	147,557	149,307