Acquisitions - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands			12 Months Ended
	Jan. 01, 2018	Jul. 27, 2017	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Purchase price, net of cash				$ 189,901	$ 145,558	$ 9,762
Add: Settlement of Pre-existing Relationship				5,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Goodwill			$ 733,170	733,170	622,948	526,723
Franchisee Acquisitions
Business Acquisition [Line Items]
Purchase price, net of cash	$ 189,826		189,826
Add: Settlement of Pre-existing Relationship	5,405		5,405
Working Capital Adjustment	241		155
Consideration Transferred	195,472		195,386
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash and Cash Equivalents	43		43	43
Lease Merchandise	59,587		59,616	59,616
Property, Plant and Equipment	5,493		5,568	5,568
Other intangibles	25,069		24,530	24,530
Prepaid Expenses and Other Assets	1,060		1,168	1,168
Total Identifiable Assets Acquired	91,252		90,925	90,925
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts Payable and Accrued Expenses	(826)		(852)	(852)
Customer Deposits and Advance Payments	(5,156)		(5,156)	(5,156)
Total Liabilities Assumed	(5,982)		(6,008)	(6,008)
Goodwill	110,202		110,469	110,469
Net Assets Acquired	$ 85,270		84,917	84,917
Measurement Period Adjustments
Add: Settlement of Pre-existing Relationship				0
Less: Working Capital Adjustments				(86)
Aggregated Consideration Transferred				(86)
Cash and Cash Equivalents				0
Lease Merchandise				29
Property, Plant and Equipment				75
Other Intangibles				(539)
Prepaid Expenses and Other Assets				108
Total Identifiable Assets Acquired				(327)
Accounts Payable and Accrued Expenses				(26)
Customer Deposits and Advance Payments				0
Total Liabilities Assumed				(26)
Goodwill				267
Net Assets Acquired (before Goodwill)				(353)
SEI/Aaron’s, Inc.
Business Acquisition [Line Items]
Purchase price, net of cash		$ 140,000
Add: Settlement of Pre-existing Relationship		3,452
Reimbursement for Insurance Costs		(100)
Working Capital Adjustment		188
Consideration Transferred		143,540
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash and Cash Equivalents		34
Receivables		1,345
Lease Merchandise		40,941
Property, Plant and Equipment		8,832
Other intangibles		13,779
Prepaid Expenses and Other Assets		440
Total Identifiable Assets Acquired		65,371
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts Payable and Accrued Expenses		(6,698)
Customer Deposits and Advance Payments		(2,500)
Capital Leases		(4,514)
Total Liabilities Assumed		(13,712)
Goodwill		91,881
Net Assets Acquired		$ 51,659
Progressive Leasing
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Goodwill			$ 288,801	$ 288,801	$ 288,801	$ 288,801