Finance Receivables (Contractual Maturities Of Finance Receivables) (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	$ 2,085,153
2015	1,141,648
2016	1,275,672
2017	1,425,464
2018	1,053,842
Thereafter	33,552
Total	7,015,331
United States [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	1,991,614
2015	1,104,233
2016	1,234,333
2017	1,379,791
2018	1,024,927
Thereafter	33,552
Total	6,768,450
Canada [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
2014	93,539
2015	37,415
2016	41,339
2017	45,673
2018	28,915
Thereafter	0
Total	$ 246,881