Pension and Other Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

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					Nine Months Ended
	September 30,					September 30,
	2012			2011		2012		2011
	(In thousands)
Service cost	$	44		—		131		—
Interest cost	232			258		696		776
Expected return on plan assets	(268		)	(259	)	(803	)	(777	)
Amortization of prior service cost	1			1		3		3
Amortization of net loss	196			126		589		374
Net periodic benefit cost	$	205		126		616		376

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			Nine Months Ended
	September 30,			September 30,
	2012		2011	2012	2011
	(In thousands)
Service cost	$	42	9	126	36
Interest cost	228		190	684	722
Amortization of prior service cost	14		92	44	350
Amortization of net loss	286		118	857	447
Net periodic benefit cost	$	570	409	1,711	1,555

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			Nine Months Ended
	September 30,			September 30,
	2012		2011	2012	2011
	(In thousands)
Interest cost	$	32	38	97	113
Amortization of prior service cost	25		28	77	85
Amortization of net loss	11		—	31	—
Net periodic benefit cost	$	68	66	205	198