Basis and Summary of Significant Accounting Policies - Additional Information (Detail)	3 Months Ended			3 Months Ended				1 Months Ended
	Mar. 31, 2013 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2012 USD ($)	Mar. 31, 2013 Sales and Lease Ownership USD ($)	Mar. 31, 2013 Restricted stock units	Mar. 31, 2013 Employee	Mar. 31, 2013 Non Employee Director	Oct. 14, 2011 Variable Interest Entity, Not Primary Beneficiary	Mar. 31, 2013 Variable Interest Entity, Not Primary Beneficiary USD ($) Store	Mar. 31, 2013 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary USD ($)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary GBP (£)	Mar. 31, 2013 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)	Dec. 31, 2012 Variable Interest Entity, Not Primary Beneficiary Maximum USD ($)
Significant Accounting Policies [Line Items]
Percentage of common stock outstanding								11.50%
Number of retail stores									56	56
Held to maturity securities	$ 91,910,000		$ 85,861,000						$ 17,700,000	£ 11,600,000	$ 18,400,000	£ 11,400,000
Held to maturity securities, face value	91,910,000									10,000,000
Investment included in prepaid expenses and other assets													1,000	1,000
Maximum exposure to any potential losses associated with VIE									17,700,000
Compensation expense related to unvested stock option grants	266,000	425,000
Compensation expense related to restricted stock unit ("RSUs") awards and restricted stock awards ("RSAs")	1,300,000	596,000
Uncertain tax benefits that, if recognized, would affect effective tax rate	1,000,000		1,000,000
Anti-dilutive Securities excluded from the computation of earnings per share assuming dilution	21,000				333,000
Lease merchandise adjustments	12,800,000	11,000,000
Assets Held for Sale	9,525,000		11,104,000
Impairment charge				2,100,000
Percentage of receipt of base compensation						75.00%	100.00%
Percentage of receipt of incentive pay compensation						100.00%	100.00%
Deferred compensation plan liability	10,600,000		9,500,000
Cash surrender value of company-owned life insurance ("COLI") contracts	11,700,000		10,400,000
Deferred compensation expense charged to operations for Company's matching contributions	37,000	78,000
Benefits paid	$ 274,000	$ 41,000