Pension and Other Postretirement Benefits (Details) - Weighted-average assumptions used to determine net periodic benefit cost	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Pension Plan, Defined Benefit [Member]
Weighted-average assumptions:
Discount rate	3.70%	4.35%
Expected return on plan assets	6.00%	6.00%
Rate of compensation increase
Other Postretirement Benefit Plan, Defined Benefit [Member]
Weighted-average assumptions:
Discount rate	3.70%	4.35%
Expected return on plan assets
Rate of compensation increase