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Note 16 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

		Year ended December 31,
		2017				2016
Service cost		$	6			$	6
Interest cost on projected benefit obligation			1,518				1,675
Net amortization of actuarial loss			693				664
Expected return on plan assets			(1,813	)			(1,971	)
Net periodic benefit cost		$	404			$	374

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		December 31,
		2017				2016
Change in benefit obligation:
Benefit obligation at beginning of year		$	39,312			$	40,958
Service cost			6				6
Interest cost			1,518				1,675
Actuarial loss (gain)			1,278				(325	)
Benefits paid			(2,935	)			(3,002	)
Benefit obligation at end of year		$	39,179			$	39,312

		December 31,
		2017						2016
Change in plan assets:
Fair value of plan assets at beginning of year		$	33,838					$	35,126
Actual return on plan assets			3,495						1,714
Company contributions			0						0
Benefits paid			(2,935			)			(3,002			)
Fair value of plan assets at end of year		$	34,398					$	33,838
Underfunded status of the plans		$	(4,781			)		$	(5,474			)
Balance sheet assets (liabilities):
Other liabilities		$	(4,781			)		$	(5,474			)
Net amount recognized		$	(4,781			)		$	(5,474			)
Pension plans with accumulated benefit obligation in excess of plan assets:
Projected benefit obligation		$	26,327					$	39,312
Accumulated benefit obligation			26,327						39,309
Fair value of plan assets			21,539						33,838
Projected benefit obligation and net periodic pension cost assumptions:
Discount rate – projected benefit obligation			3.55			%			4.05			%
Discount rate – net periodic pension cost			4.05						4.35
Rate of compensation increase			4.00						4.00
Expected long-term rate of return on plan assets			5.15	–	6.30				5.40	–	6.75
Weighted average asset allocation:
Equity securities			27			%			25			%
Debt securities			71						73
Other			2						2
Total			100			%			100			%

Schedule of Allocation of Plan Assets [Table Text Block]

						Significant
		Quoted Prices				Other
		In Active				Observable
		Markets				Inputs
		(Level 1)				(Level 2)
Asset categories:
Cash and cash equivalents		$	1,090			$	0
Equity securities:
U.S. Large Cap			5,845				0
U.S. Mid Cap			1,343				0
U.S. Small Cap			795				0
World Equity			1,484				0
Real Estate			473				0
Other			147				0
Fixed income securities			6,462				16,759
Total Plan Assets		$	17,639			$	16,759

						Significant
		Quoted Prices				Other
		In Active				Observable
		Markets				Inputs
		(Level 1)				(Level 2)
Asset categories:
Cash and cash equivalents		$	1,253			$	0
Equity securities:
U.S. Large Cap			6,105				0
U.S. Mid Cap			891				0
U.S. Small Cap			443				0
World Equity			1,095				0
Real Estate			314				0
Other			223				0
Fixed income securities			8,525				14,989
Total Plan Assets		$	18,849			$	14,989

Schedule of Expected Benefit Payments [Table Text Block]

2018					2,998
2019					2,942
2020					2,873
2021					2,829
2022					2,768
2023	-	2027			12,719
Total				$	27,129

X

- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(5)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

+ 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)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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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

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)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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