Fair Value Measurements (Reconciliation Of Residuals) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 13,096
Included in earnings	(1,185)
Included in other comprehensive income	(438)	1,132	(246)
Interest income on Residuals	2,290	2,673	3,105
Cash received from Residuals	(2,042)
Purchases, sales, issuances and settlements, net	0
Transfers in and/or out of Level 3	0
Balance at end of period	11,721	13,096
Changes in gains (losses) included in earnings attributable to a change in unrealized gains (losses) relating to assets still held at the end of period	$ (328)