Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 1,733,808	$ 1,416,971	$ 1,377,260
Service Revenues [Member]
Revenue	1,050,583	917,759	871,596
Commissions
Revenue	485,916	469,718	452,882
Auction related fees
Revenue	366,079	293,408	291,775
Financing fees (RBFS)
Revenue	68,862	46,991	32,216
Other fees
Revenue	129,726	107,642	94,723
Inventory Sales Revenue [Member]
Revenue	$ 683,225	$ 499,212	$ 505,664