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Employee benefit plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation And Retirement Disclosure [Abstract]

Schedule of Change in Projected Benefit Obligation and Change in Plan Assets

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2013				2012				2013				2012
Change in benefit obligation:
Benefit obligation, beginning		$	15,506			$	14,450			$	3,193			$	3,004
Service cost											35				48
Interest cost			646				673				111				139
Plan curtailment											(2,764	)
Change in experience			99				88								4
Change in assumptions			(1,324	)			978								145
Benefits paid			(716	)			(683	)			(575	)			(147	)
Benefit obligation, ending			14,211				15,506								3,193
Change in plan assets:
Fair value of plan assets, beginning			11,343				11,026
Actual return on plan assets			1,623				637
Employer contributions			167				363
Benefits paid			(716	)			(683	)
Fair value of plan assets, ending			12,417				11,343
Funded status at end of year		$	(1,794	)		$	(4,163	)		$				$	(3,193	)

Schedule of Amounts Recognized in Balance Sheet

Amounts recognized in the balance sheet are as follows:

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2013				2012				2013				2012
Liabilities		$	1,794			$	4,163			$				$	3,193
Amounts recognized in the accumulated other comprehensive loss consist of:
Net actuarial loss (gain)			(3,883	)			(6,252	)							(1,273	)
Deferred taxes			1,359				2,091								620
Net amount recognized		$	(2,524	)		$	(4,161	)		$				$	(653	)

Components of Net Periodic Pension Cost and Other Amounts Recognized in Other Comprehensive Income

Components of net periodic pension cost and other amounts recognized in other comprehensive income are as follows:

		Pension Benefits
Years Ended December 31,		2013				2012				2011
Net periodic pension cost:
Service cost
Interest cost		$	646			$	673			$	700
Expected return on plan assets			(825	)			(809	)			(903	)
Amortization of prior service cost
Amortization of unrecognized net loss			180				136				82
Curtailment loss
Net periodic pension cost		$	1			$				$	(121	)
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss):
Net loss (gain)			(2,369	)			739				1,351
Prior service cost
Deferred tax			805				(251	)			(459	)
Total recognized in other comprehensive income			(1,564	)			488				892
Total recognized in net period pension cost and other comprehensive income		$	(1,563	)		$	488			$	771
		Postretirement Life Insurance Benefits
Years Ended December 31,		2013				2012				2011
Components of net periodic pension cost:
Service cost		$	35			$	48			$	43
Interest cost			111				139				147
Amortization of prior service cost											7
Amortization of unrecognized net gain			96				111				105
Net periodic other benefit cost		$	242			$	298			$	302
Changes in plan assets and benefit obligations recognized in other comprehensive income:
Net loss (gain)			(1,273	)			185				148
Prior service cost											8
Amortization of prior service cost											(7	)
Deferred tax			620				(63	)			(53	)
Total recognized in other comprehensive income			(653	)			122				96
Total recognized in net period pension cost and other comprehensive income		$	(411	)		$	420			$	398

Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations

Weighted-average assumptions used to determine benefit obligations were as follows:

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2013				2012				2013		2012
Discount rate			5.00	%			4.25	%					4.25	%
Expected long-term return on plan assets			7.50	%			7.50	%
Rate of compensation increase													3.00	%

Schedule of Pension Plan Weighted-Average Asset Allocations

The Company’s pension plan weighted-average asset allocations at December 31, 2013 and 2012, by asset category are as follows:

December 31,		2013				2012
Asset Category:
Equity securities			59.9	%			56.2	%
Corporate bonds			16.8				18.9
U.S. Government securities			20.8				21.2
Cash and cash equivalents			2.5				3.7
			100.0	%			100.0	%

Fair Value Measurement of Pension Plan Assets

Fair Value Measurement of pension plan assets at December 31, 2013 and 2012 is as follows:

December 31, 2013		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Observable Inputs (Level 3)
Cash		$	316			$	316
Equity securities:
U.S. large cap			6,993				6,993
International			442				442
Fixed income securities:
U.S. Treasuries			995							$	995
U.S. Government agencies			1,579								1,579
Corporate bonds			2,092								2,092
Total		$	12,417			$	7,751			$	4,666

December 31, 2012		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Observable Inputs (Level 3)
Cash		$	419			$	419
Equity securities:
U.S. large cap			6,068				6,068
International			307				307
Fixed income securities:
U.S. Treasuries			1,024							$	1,024
U.S. Government agencies			1,380								1,380
Corporate bonds			2,145								2,145
Total		$	11,343			$	6,794			$	4,549

Schedule of Estimated Future Benefit Payments Expected to be Paid

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid in the next five years and in the aggregate for the five years thereafter:

		Pension Benefits
2014		$	729
2015			781
2016			793
2017			811
2018			863
Thereafter		$	4,484

X

- Definition

Tabular disclosure of the change in the benefit obligation, fair value of plan assets, and funded status of pension plans or other employee benefit plans.

+ 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 (a)(b)(c)

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Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

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- Definition

Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

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-Section 50

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Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Tabular disclosure of the effect of fair value measurements using significant unobservable inputs (Level 3) on changes in plan assets of pension plans and/or other employee benefit plans for the period.

+ References

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

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Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

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-Publisher FASB

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