Benefit Plans (Summary Of Performance Contingent Cash Awards Activity) (Details) (Performance Contingent Cash Awards [Member], USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Nonvested, January 1 (in shares/awards)	96,977		59,639
Granted (in shares/awards)	42,446		39,530
Vested (in shares/awards)	(55,517)	[1]	0	[1]
Forfeited (in shares/awards)	(4,098)		(1,413)
Nonvested, June 30 (in shares/awards)	79,808		97,756
2012 Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Vested (in shares/awards)	(34,766)	[1]
Cash payout value	$ 1.9	[1]
2011 Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Vested (in shares/awards)	(20,751)	[1]
Cash payout value	$ 1.1	[1]

[1] In 2014, 34,766 and 20,751 performance contingent cash awards granted in 2012 and 2011 vested, resulting in cash payouts valued at $1.9 million and $1.1 million, respectively.