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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension expense (income) are as follows: 

	Year Ended December 31,
	2016				2015				2014
Interest cost	$	2,285			$	2,289			$	2,360
Expected return on plan assets	(2,789		)		(3,199		)		(3,105		)
Amortization of net loss	1,537				1,429				320
Total net periodic pension expense (income)	$	1,033			$	519			$	(425	)

Schedule of Changes in Projected Benefit Obligation and Plan Assets, Funded Status and Amounts Recognized on the Balance Sheet

The changes in the projected benefit obligation and plan assets, the funded status of the plans and the amounts recognized in the consolidated balance sheets are as follows:

	December 31,
	2016				2015
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	58,273			$	62,107
Interest cost	2,285				2,289
Benefits paid	(3,857		)		(3,088		)
Actuarial gains	(1,237		)		(3,035		)
Projected benefit obligation at year end	$	55,464			$	58,273
Change in plan assets:
Fair value of plan assets at beginning of year	$	40,990			$	45,187
Actual return (loss)	2,969				(1,109		)
Employer contributions	1,000				—
Benefits paid	(3,857		)		(3,088		)
Fair value of plan assets at year end	$	41,102			$	40,990
Funded status (Accrued pension liabilities)	$	(14,362	)		$	(17,283	)
Unrecognized actuarial loss recognized in accumulated other comprehensive loss	$	16,704			$	19,657

Schedule of Assumptions Used

The actuarial assumptions used in determining pension plan information are as follows:

	December 31,
	2016			2015			2014
Assumptions used to determine benefit obligation at year end:
Discount rate	4.00	%		4.00	%		3.75	%
Assumptions used to determine net periodic benefit cost:
Discount rate	4.00	%		3.75	%		4.75	%
Expected long-term weighted-average rate of return on plan assets	7.00	%		7.25	%		7.25	%

Schedule of Allocation of Plan Assets [Table Text Block]

The target allocations by asset category and fair values of the plan assets by asset class at December 31 are as follows:

	Target Allocations by Asset Category			Fair Value
				Total								Level 2								Level 3
Plan Assets:				2016				2015				2016				2015				2016				2015
Equity funds	60	%		$	28,103			$	27,814			$	28,103			$	27,814			$	—			$	—
Fixed income funds	30	%		11,737				12,846				11,737				12,846				—				—
Other investments	10	%		1,262				330				—				—				1,262				330
Total	100	%		$	41,102			$	40,990			$	39,840			$	40,660			$	1,262			$	330

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table represents changes in the fair value of plan assets categorized as Level 3 from the preceding table:

Balance at January 1, 2015	$	1,986
Return on plan assets	89
Purchases, sales and settlements, net	(3,486		)
Transfers, net	1,741
Balance at December 31, 2015	$	330
Return on plan assets	23
Purchases, sales and settlements, net	(4,231		)
Transfers, net	5,140
Balance at December 31, 2016	$	1,262

Schedule of Expected Benefit Payments

The following benefit payments are expected to be paid by the plan in each of the next five years and in the aggregate for the subsequent five years:

2017	$	2,442
2018	2,631
2019	2,806
2020	2,850
2021	3,009
In aggregate during five years thereafter	16,310

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- 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
-Subparagraph (a)(b)(c)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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
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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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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
-Section 50
-Paragraph 1
-Subparagraph (f)
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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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-Paragraph 1
-Subparagraph (h)
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