Finance Receivables (Changes In The Allowance For Finance Credit Losses On Finance Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	$ 127,364	$ 110,693	$ 107,667
Provision for credit losses	101,345	80,946	60,008
Charge-offs	(123,911)	(102,831)	(97,928)
Recoveries	42,380	38,556	40,946
Balance, end of period	147,178	127,364	110,693
Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	122,025	106,063	101,442
Provision for credit losses	98,826	80,237	61,603
Charge-offs	(123,911)	(102,831)	(97,928)
Recoveries	42,380	38,556	40,946
Balance, end of period	139,320	122,025	106,063
Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of period	5,339	4,630	6,225
Provision for credit losses	2,519	709	(1,595)
Charge-offs	0	0	0
Recoveries	0	0	0
Balance, end of period	$ 7,858	$ 5,339	$ 4,630