Nature of Operations and Summary of Accounting Policies Nature of Operations and Summary of Accounting Policies (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) store	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Nature of Operations [Abstract]
Number of company-owned stores nationwide and in Canada and Puerto Rico	2,381
Number of retail installment sales stores	45
Number of Acceptance Now Staffed locations	1,106
Number of Acceptance Now Direct locations	125
Number of stores in Mexico	131
Number of Franchised stores	225
Number of states with Franchised stores	31
Rental merchandise, net [Abstract]
Minimum Period in Held for Rent status needed for depreciation of merchandise	180 days
Maximum Period used for depreciation of Merchandise Held for Rent	18 months
Maximum Period used for depreciation of smartphones Held for Rent	18 months
Minimum Period in Held for Rent status needed for depreciation of smartphones	90 days
Maximum period of past due required to charge off remaining book value of rental merchandise for Core U.S. segment	90 days
Maximum period of past due required to charge off remaining book value of rental merchandise for Acceptance Now segment	150 days
Maximum period of past due required to charge off remaining book value of rental merchandise for Mexico segment	60 days
Receivables and Allowance for Doubtful Accounts [Abstract]
Minimum Period of Past Due Required to Charge Off installment Notes	120 days
Maximum period in current status allowed to Franchisees for payment of receivables	30 days
Minimum period of past due required to write off receivables from Franchisees	120 days
Goodwill and Other Intangibles [Abstract]
Amortization period for acquired customer relationships	21 months
Amortization period for vendor relationships minimum	7 years
Amortization period for vendor relationships maximum	15 years
Advertising Costs [Abstract]
Advertising Costs | $	$ 86.1	$ 90.6	$ 96.2
Furniture, equipment and vehicle [Member]
Major Property Class Useful Life [Line Items]
Depreciation period	5 years
Building [Member]
Major Property Class Useful Life [Line Items]
Depreciation period	40 years
Internally Developed Software [Member]
Major Property Class Useful Life [Line Items]
Depreciation period	10 years