Postretirement Benefits (Change in Benefit Obligation Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Postretirement Benefits [Abstract]
Postretirement benefit obligation, beginning of year	$ 3,701	[1]	$ 2,844
Net Periodic Benefit Cost	191		193
Actuarial Loss	409		609
Prior service cost	0		291
Amortization of Net Prior Service Cost and Net Loss	(30)		(16)
Benefits Paid	(231)		(220)
Accumulated postretirement benefit obligation, end of year	$ 4,040	[1]	$ 3,701	[1]

[1] (1) Recorded in other liabilities in our consolidated balance sheets.