Description of the business: Allowance for credit losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Description of the business:
Balance at Beginning of Period	$ 2,675	$ 1,476	$ 2,303	$ 1,510
Current-period Provision for Expected Credit Losses	5,014	1,059	6,562	2,005
Write offs Charged Against Allowance	(2,807)	(818)	(3,983)	(1,798)
Balance at End of Period	4,882	1,717	4,882	1,717
Bad debt recoveries	$ 349	$ 608	$ 700	$ 1,011