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PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Pension Plan
Components of net periodic cost
Interest cost	$ 348	$ 398	$ 696	$ 796
Expected return on plan assets	(470)	(447)	(940)	(894)
Amortization of unrecognized (gain) loss	599	581	1,198	1,162
Net periodic cost	477	532	954	1,064
SERPs
Components of net periodic cost
Interest cost	103	107	206	214
Amortization of unrecognized transition obligation	4	4	8	8
Amortization of prior service cost	5	5	10	10
Amortization of unrecognized (gain) loss	18	(1)	36	(2)
Net periodic cost	$ 130	$ 115	$ 260	$ 230

X

- Definition

The amount of gains or losses recognized in net periodic benefit cost.

+ References

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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

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The amount of the transition obligation or asset recognized in net periodic benefit cost.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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