Pension and Other Postretirement Plans (Tables)

3 Months Ended

Mar. 31, 2013

Defined Benefit Pension Plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Periodic Benefit Costs

The following table summarizes the components of net periodic benefit cost.

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Service cost	$	47		44
Interest cost	218			232
Expected return on plan assets	(283		)	(268	)
Amortization of prior service cost	1			1
Amortization of net loss	203			196
Net periodic benefit cost	$	186		205

Chairman and President Non-Qualified Defined Benefit Plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Periodic Benefit Costs

The following table summarizes the components of net periodic benefit costs for the Chairman and President non-qualified defined benefit plans.

	Three Months Ended
	March 31,
	2013		2012
	(In thousands)
Service cost	$	44	42
Interest cost	200		228
Amortization of prior service cost	15		15
Amortization of net loss	294		285
Net periodic benefit cost	$	553	570

Defined Benefit Postretirement Healthcare Plans [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Net Periodic Benefit Costs

The following table summarizes the components of net periodic benefit costs.

	Three Months Ended
	March 31,
	2013		2012
	(In thousands)
Interest cost	$	29	32
Amortization of prior service cost	26		26
Amortization of net loss	8		11
Net periodic benefit cost	$	63	69