Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Accounts payable	$ 11,739	$ 12,340
Accrued employee compensation	43,080	54,596
Taxes Payable	14,502	27,194
Interest Payable	19,895	24,408
Deposits	52,659	53,631
accrued fees	14,216	13,090
customer incentives payable	9,437	12,556
Other accrued liabilities	9,822	10,827
Total accounts payable and accrued liabilities	$ 175,350	$ 208,642