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Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2018

Defined Benefit Pension Plans And Defined Benefit Postretirement Plans Disclosure [Abstract]

Reconciliation Of The Plan's Benefit Obligations, Fair Value Of Assets And The Funded Status

		2018				2017
Change in projected benefit obligation:
Projected benefit obligation at beginning of period		$	70,436			$	63,002
Service cost			3,346				3,140
Interest cost			2,387				2,449
Actuarial (gain) loss			(3,298	)			5,016
Benefits paid and plan expenses			(3,297	)			(3,171	)
Projected benefit obligation at end of period			69,574				70,436
Change in plan assets:
Fair value of plan assets at beginning of period			83,348				75,252
Actual return on plan assets			(4,863	)			11,267
Employer contributions			-				-
Benefits paid and plan expenses			(3,297	)			(3,171	)
Fair value of plan assets at end of period			75,188				83,348
Funded status at end of period		$	5,614			$	12,912

Estimated Benefit Payments Under The Pension Plan

2019		$	3,359
2020			3,232
2021			3,391
2022			3,672
2023			3,903
2024 - 2028			21,596

Components Of Net Periodic Benefit Expense

		2018				2017				2016
Service cost		$	3,346			$	3,140			$	2,885
Interest cost on projected benefit obligation			2,387				2,449				2,402
Expected return on plan assets			(5,284	)			(4,775	)			(4,600	)
Amortization of unrecognized loss			725				1,142				938
Amortization of unrecognized prior service (credit) cost			(5	)			17				20
Net periodic pension cost		$	1,169			$	1,973			$	1,645

Actuarial Assumptions Used

		2018				2017				2016
Weighted average discount rate			3.49	%			4.00	%			4.21	%
Rate of compensation increase			3.00	%			3.00	%			3.00	%
Expected long-term rate of return			6.50	%			6.50	%			6.50	%

		2018				2017				2016
Weighted average discount rate			4.13	%			3.49	%			4.00	%
Rate of compensation increase			3.00	%			3.00	%			3.00	%

Target Allocation Percentage Of Plan Assets And Weighted Average Expected Rate Of Return

		2018 Target				Percentage of Plan Assets at December 31,								Weighted Average Expected Long-term
		Allocation				2018				2017				Rate of Return
Asset category:
Cash equivalents			0 – 20	%			4.2	%			6.4	%			0.11	%
Equity securities			40 – 60				46.1				50.2				3.71
Fixed income securities			40 – 60				45.8				40.2				2.24
Other financial instruments			0 – 5				3.9				3.2				0.30

Changes In Fair Value Of Plan Assets

The following table sets forth a summary of the changes in the Plan’s level 3 assets for the years ended December 31, 2018 and 2017:

Level 3 assets, January 1, 2017		$	2,637
Realized gain			43
Purchases			103
Sales			(224	)
Unrealized gain			82
Level 3 assets, December 31, 2017			2,641
Unrealized gain			256
Level 3 assets, December 31, 2018		$	2,897

The Major Categories Of Plan Assets Measured At Fair Value On a Recurring Basis

		Level 1				Level 2				Level 3				Total
		Inputs				Inputs				Inputs				Fair Value
2018
Cash equivalents:
Cash (including foreign currencies)		$	28			$	-			$	-			$	28
Short term investment funds			-				3,094				-				3,094
Total cash equivalents			28				3,094				-				3,122
Equity securities:
Common stock			11,931				-				-				11,931
Depository receipts			203				-				-				203
Commingled pension trust funds			-				22,468				-				22,468
Preferred stock			95				-				-				95
Total equity securities			12,229				22,468				-				34,697
Fixed income securities:
Collateralized mortgage obligations			-				750				-				750
Commingled pension trust funds			-				20,051				-				20,051
Corporate bonds			-				2,928				-				2,928
GNMA			-				144				-				144
Government securities			-				10,599				-				10,599
Mortgage backed securities			-				-				-				-
Total fixed income securities			-				34,472				-				34,472
Other investments:
Commingled pension trust funds - Realty			-				-				2,897				2,897
Total Plan investments		$	12,257			$	60,034			$	2,897			$	75,188

		Level 1				Level 2				Level 3				Total
		Inputs				Inputs				Inputs				Fair Value
2017
Cash equivalents:
Cash (including foreign currencies)		$	726			$	-			$	-			$	726
Short term investment funds			-				4,635				-				4,635
Total cash equivalents			726				4,635				-				5,361
Equity securities:
Common stock			14,523				-				-				14,523
Depository receipts			368				-				-				368
Commingled pension trust funds			-				26,613				-				26,613
Preferred stock			320				-				-				320
Total equity securities			15,211				26,613				-				41,824
Fixed income securities:
Collateralized mortgage obligations			-				585				-				585
Commingled pension trust funds			-				19,524				-				19,524
Corporate bonds			-				3,068				-				3,068
FNMA			-				167				-				167
Government securities			-				10,117				-				10,117
Mortgage backed securities			-				61				-				61
Total fixed income securities			-				33,522				-				33,522
Other investments:
Commingled pension trust funds - Realty			-				-				2,641				2,641
Total Plan investments		$	15,937			$	64,770			$	2,641			$	83,348

Components Of Accumulated Other Comprehensive Loss Related To Defined Benefit Plan And Postretirement Benefit Plan

		2018				2017
Defined benefit plan:
Net actuarial loss		$	(20,472	)		$	(14,348	)
Prior service credit (cost)			-				5
			(20,472	)			(14,343	)
Postretirement benefit plan:
Net actuarial loss			(139	)			(190	)
Prior service credit			102				169
			(37	)			(21	)
Total			(20,509	)			(14,364	)
Deferred tax benefit			7,273				5,723
Amounts included in accumulated other comprehensive loss		$	(13,236	)		$	(8,641	)

Changes In Plan Assets And Benefit Obligations Recognized In Other Comprehensive Income

		2018				2017
Defined benefit plan:
Net actuarial gain (loss)		$	(6,849	)		$	1,475
Amortization of net loss			725				1,142
Amortization of prior service (credit) cost			(5	)			17
			(6,129	)			2,634
Postretirement benefit plan:
Net actuarial gain (loss)			26				(15	)
Amortization of net loss			25				24
Amortization of prior service credit			(67	)			(68	)
			(16	)			(59	)
Total recognized in other comprehensive income		$	(6,145	)		$	2,575

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