Business and Summary of Significant Accounting Policies - Hurricane Impact (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Estimated losses related to merchandise on hand and on lease destroyed or severely damaged			$ 4,700,000
Insurance proceeds received, before tax			3,300,000
Partial cash payment from insurer	$ 400,000	$ 2,200,000
Insurance receivable	$ 2,900,000	2,500,000	2,900,000
Accounts receivable and lease merchandise, additional reserves recorded			$ 3,600,000
Gain in excess of insurance receivable		900,000
Insurance proceeds related to business interruption loss		$ 0