Basis and Summary of Significant Accounting Policies - Additional Information (Detail)	0 Months Ended	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended	1 Months Ended			3 Months Ended		6 Months Ended				1 Months Ended							0 Months Ended
	Dec. 03, 2013 USD ($)	Feb. 28, 2014	Jun. 30, 2014 USD ($) Store	Jun. 30, 2013 USD ($)	Jun. 30, 2014 USD ($) Store	Jun. 30, 2013 USD ($)	Dec. 31, 2013 USD ($) Store	Dec. 03, 2013 Treasury Stock USD ($)	Feb. 28, 2014 Treasury Stock USD ($)	Dec. 03, 2013 Additional Paid-in Capital USD ($)	Jun. 30, 2014 Stock Option	Jun. 30, 2014 Stock Option	Jun. 30, 2014 Restricted stock units	Jun. 30, 2014 Restricted stock units	Jun. 30, 2013 Performance based restricted stock units	Jun. 30, 2013 Performance based restricted stock units	Jun. 30, 2014 Restricted stock awards	Jun. 30, 2014 Restricted stock awards	Jan. 31, 2014 RIMCO right Store	Jun. 30, 2014 RIMCO Store	Dec. 31, 2013 RIMCO Store	Jun. 30, 2014 Sales and Lease Ownership USD ($)	Jun. 30, 2013 Sales and Lease Ownership USD ($)	Jun. 30, 2014 Sales and Lease Ownership USD ($)	Jun. 30, 2014 Employee	Jun. 30, 2014 Non Employee Director	Jun. 30, 2014 Operating Expense USD ($)	Oct. 14, 2011 Variable Interest Entity, Not Primary Beneficiary	Jun. 30, 2014 Variable Interest Entity, Not Primary Beneficiary USD ($) Store	Jun. 30, 2014 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary USD ($)	Dec. 31, 2013 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Jun. 30, 2014 Level 2 USD ($)	Dec. 31, 2013 Level 2 USD ($)	Apr. 14, 2014 Progressive Finance Holdings, LLC USD ($) retail_location state
Significant Accounting Policies [Line Items]
Business acquisition, percentage of voting interests acquired																																			100.00%
Acquisitions of businesses, net of cash acquired																																			$ 700,000,000
Number of retail locations (over 15,000)																																			15,000
Number of states in which entity operates																																			46
Number of stores sold during period																			27
Number of franchise rights sold during period																			5
Number of franchises granted during period					932		940
Percentage of common stock outstanding																												11.50%
Number of retail stores			1,349		1,349		1,370													0	27								66	66
Held to maturity securities			92,926,000		92,926,000		112,391,000																						22,400,000	13,100,000	20,700,000	12,500,000
Held to maturity securities, face value			92,926,000		92,926,000																									10,000,000
Maximum exposure to any potential losses associated with VIE																													22,400,000
Sales taxes																											10,000,000
Uncertain tax benefits that, if recognized, would affect effective tax rate			1,900,000		1,900,000		1,500,000
Anti-dilutive Securities excluded from the computation of earnings per share assuming dilution											176,000	137,000	0	0	336,000	292,000	0	0
Lease merchandise adjustments			21,000,000	11,800,000	34,700,000	24,600,000
Stock repurchased during period, value	125,000,000							100,000,000		25,000,000
Stock repurchased during period, shares	3,502,627	1,000,952
Stock repurchase program, percent of shares authorized for repurchase	80.00%
Accelerated share repurchases, initial price paid per share								$ 28.55
Accelerated share repurchases, final price paid per share									$ 27.76
Assets held for sale			5,199,000		5,199,000		15,840,000
Assets held-for-sale, at carrying value							9,700,000
Impairment charge						3,100,000																90,000	1,000,000	251,000
Percentage of receipt of base compensation																									75.00%	100.00%
Deferred compensation liability																																	(13,175,000)	(12,557,000)
Percentage of receipt of incentive pay compensation																									100.00%	100.00%
Cash surrender value of company-owned life insurance ("COLI") contracts			14,400,000		14,400,000		14,400,000
Deferred compensation expense charged to operations for Company's matching contributions			22,000	36,000	45,000	73,000
Benefits paid			$ 652,000	$ 470,000	$ 652,000	$ 470,000