Income Taxes - Components of Deferred Income Tax Liabilities and Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred Tax Liabilities:
Lease Merchandise and Property, Plant and Equipment	$ 174,171	$ 122,155
Goodwill and Other Intangibles	41,183	37,080
Investment in Partnership	159,070	107,173
Other, Net	1,804	2,074
Total Deferred Tax Liabilities	376,228	268,482
Deferred Tax Assets:
Accrued Liabilities	21,918	25,509
Advance Payments	9,232	8,199
Other, Net	86,339	23,771
Total Deferred Tax Assets	117,489	57,479
Less Valuation Allowance	0	0
Total Deferred Tax Liabilities	$ 258,739	$ 211,003