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Employee benefit plans (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Summary of Pension and Postretirement Life Insurance Plans

Information related to the pension and postretirement life insurance plans is as follows:

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2014				2013				2014		2013
Change in benefit obligation:
Benefit obligation, beginning		$	14,211			$	15,506					$	3,193
Service cost													35
Interest cost			678				646						111
Plan curtailment													(2,764	)
Change in experience loss (gain)			(250	)			99
Change in assumptions loss (gain)			3,944				(1,324	)
Benefits paid			(714	)			(716	)					(575	)
Benefit obligation, ending			17,869				14,211
Change in plan assets:
Fair value of plan assets, beginning			12,417				11,343
Actual return on plan assets			895				1,623
Employer contributions			241				167
Benefits paid			(714	)			(716	)
Fair value of plan assets, ending			12,839				12,417
Funded status at end of year		$	(5,030	)		$	(1,794	)				$

Schedule of Amounts Recognized in Balance Sheet

Amounts recognized in the balance sheet are as follows:

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2014				2013				2014				2013
Liabilities		$	5,030			$	1,794			$				$
Amounts recognized in the accumulated other comprehensive loss consist of:
Net actuarial gain			(7,567	)			(3,883	)
Deferred taxes			2,648				1,359
Net amount recognized		$	(4,919	)		$	(2,524	)		$				$

Components of Net Periodic Pension Expense (Income) and Other Amounts Recognized in Other Comprehensive Income

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

		Pension Benefits
Years Ended December 31,		2014				2013				2012
Net periodic pension expense (income):
Interest cost		$	678			$	646			$	673
Expected return on plan assets			(910	)			(825	)			(809	)
Amortization of unrecognized net loss			92				180				136
Net periodic pension expense (income):			(140	)			1
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss):
Net loss (gain)			3,684				(2,369	)			739
Deferred tax			(1,289	)			805				(251	)
Total recognized in other comprehensive income			2,395				(1,564	)			488
Total recognized in net period pension cost and other comprehensive income		$	2,255			$	(1,563	)		$	488

		Postretirement Life Insurance Benefits
Years Ended December 31,		2014				2013				2012
Components of net periodic pension cost:
Service cost		$				$	35			$	48
Interest cost							111				139
Amortization of unrecognized net gain							96				111
Net periodic other benefit cost							242				298
Changes in plan assets and benefit obligations recognized in other comprehensive income:
Net loss (gain)							(1,273	)			185
Deferred tax							620				(63	)
Total recognized in other comprehensive income							(653	)			122
Total recognized in net period pension cost and other comprehensive income		$				$	(411	)		$	420

Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations and Related Expenses

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

		Pension Benefits								Postretirement Life Insurance Benefits
December 31,		2014				2013				2014		2013
Discount rate:
Obligation			4.00	%			5.00	%
Expense			5.00				4.25
Expected long-term return on plan assets			7.50	%			7.50	%

Schedule of Pension Plan Weighted-Average Asset Allocations

The Company’s pension plan weighted-average asset allocations at December 31, 2014 and 2013, by asset category are as follows:

December 31,		2014				2013
Asset Category:
Equity securities			59.3	%			59.9	%
Corporate bonds			14.9				16.8
U.S. Government securities			23.4				20.8
Cash and cash equivalents			2.4				2.5
			100.0	%			100.0	%

Fair Value Measurement of Pension Plan Assets

Fair Value Measurement of pension plan assets at December 31, 2014 and 2013 is as follows:

December 31, 2014		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Observable Inputs (Level 3)
Cash		$	308			$	308							$
Equity securities:
U.S. large cap			7,369				7,369
International			241				241
Fixed income securities:
U.S. Treasuries			1,073							$	1,073
U.S. Government agencies			1,931								1,931
Corporate bonds			1,917								1,917
Total		$	12,839			$	7,918			$	4,921			$

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			$

Schedule of Benefit Payments Expected to be Paid

The following benefit payments are expected to be paid in the next five years and in the aggregate for the five years thereafter:

		Pension Benefits
2015		$	783
2016			778
2017			802
2018			860
2019			857
Thereafter		$	4,745

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

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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.

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-Publisher FASB

-Name Accounting Standards Codification

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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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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

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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

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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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