Revenue Earning Equipment, Net - Components of Revenue Earning Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenue Earning Equipment [Abstract]
Losses (gains) on vehicle sales, net	$ (24,432)	$ (31,403)	$ (41,076)
Losses from fair value adjustments	83,138	53,728	58,065
Used vehicle sales, net	$ 58,706	$ 22,325	$ 16,989

Represents fair value adjustments for all vehicles held for sale throughout the period for which fair value was less than the carrying value. Losses are presented within Depreciation Expense in the Consolidated Statements of Earnings.

No definition available.

Name:	r_AssetsAtFairValueLosses
Namespace Prefix:	r_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration