Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Glossary Gain or Loss

-URI http://asc.fasb.org/extlink&oid=6514294

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 60

-Glossary Gain or Loss

-URI http://asc.fasb.org/extlink&oid=6749293

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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 increase in the fair value of plan assets from contributions made by the employer.

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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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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(1)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period.

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No definition available.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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The shares that, although not legally released, will be released by a future scheduled and committed debt service payment and will be allocated to employees for service rendered in the current accounting period. The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.

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-Section 50

-Paragraph 1

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This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.

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Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

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Employee Benefits (Details) (USD $)	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended
Employee Benefits (Details) (USD $)	Sep. 30, 2013 Employee Stock Ownership Plan and Trust (ESOP) [Member]	Sep. 30, 2013 Pension benefits [Member]	Sep. 30, 2012 Pension benefits [Member]	Sep. 30, 2013 Pension benefits [Member]	Sep. 30, 2012 Pension benefits [Member]	Sep. 30, 2013 Postretirement benefits [Member]	Sep. 30, 2012 Postretirement benefits [Member]	Sep. 30, 2013 Postretirement benefits [Member]	Sep. 30, 2012 Postretirement benefits [Member]	Mar. 31, 2013 Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		$ 45,000	$ 32,000	$ 135,000	$ 97,000	$ 0	$ 1,000	$ 1,000	$ 3,000
Interest cost		59,000	47,000	176,000	140,000	9,000	22,000	28,000	65,000
Amortization of prior service benefit		7,000	28,000	21,000	83,000	(1,085,000)	(1,225,000)	(3,259,000)	(3,672,000)
Actuarial net loss		172,000	65,000	517,000	196,000	609,000	708,000	1,825,000	2,125,000
Net periodic benefit cost (credit)		283,000	172,000	849,000	516,000	(467,000)	(494,000)	(1,405,000)	(1,479,000)
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]
Contributions by employer on behalf of employees								700,000
Estimated future employer contributions in current fiscal year								1,000,000
Employer discretionary contribution amount										$ 500,000
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Shares contributed to ESOP (in shares)	182,000
Shares released from trust (in shares)	182,500
Total balance of share in the ESOP (in shares)	430