Supplemental Financial Statement Information (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for credit losses
Balance at beginning of year	$ 29,179	$ 35,344	$ 17,830
Amounts charged to expense	6,421	9,355	19,789
Write-offs, recoveries and other	(29,736)	(15,520)	(17,611)
Balance at end of year	5,864	29,179	35,344
Accounts and other receivables
Allowance for credit losses
Balance at beginning of year	11,168	18,899
Balance at end of year	5,344	11,168	18,899
Other assets
Allowance for credit losses
Balance at beginning of year	18,011	16,445
Balance at end of year	520	18,011	16,445
Cumulative effect of accounting change
Allowance for credit losses
Balance at beginning of year	$ 0	0	15,336
Balance at end of year		$ 0	$ 0