Defined Benefit Plan, Net Periodic Benefit Cost, Annual Change Due to Plan Ammendment

No definition available.

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- Definition

Defined Benefit Plan, Plan Ammendment, Amortization Period

+ References

No definition available.

+ Details

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- Definition

Number of 401k Plans

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No definition available.

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- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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- References

No definition available.

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- References

No definition available.

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- References

No definition available.

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- Definition

Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.

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- Definition

Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.

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+ Details

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- Definition

Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.

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- Definition

Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.

+ References

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- Definition

Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

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+ Details

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- Definition

Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

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+ Details

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- Definition

Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

+ 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)(2)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in obligation for pension and other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Post Retirement Benefits (Details)	12 Months Ended
Post Retirement Benefits (Details)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) Plan	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2010 USD ($)
Postretirement benefits:
Number of 401k plans \| Plan		3
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year:
Interest cost		$ 298,000	$ 323,000	$ 316,000
Postretirement benefits
Postretirement benefits:
Decrease in post retirement obligations					$ 10,282,000
Amortization period					20 years
Change in net periodic benefit cost due to plan amendment		496,000	496,000	$ 496,000
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)		(417,000)	(320,000)
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year:
Amortization of prior service credit, net of tax		(496,000)
Amortization of loss, net of tax		(171,000)
Interest cost		$ 298,000	$ 323,000
Assumed health care cost trend rates:
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year		7.00%	7.00%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate		5.00%	5.00%
Effect of changing the health care cost trend rate by one-percentage point for each future year:
Effect on total of service and interest cost components, 1 - percentage point increase		$ 48,000
Effect on total of service and interest cost components, 1 - percentage point decrease		(40,000)
Effect on post retirement benefit obligation, 1 - percentage point increase		1,264,000
Effect on post retirement benefit obligation, 1 - percentage point decrease		$ (1,068,000)
Forecast \| Postretirement benefits
Postretirement benefits:
Change in net periodic benefit cost due to plan amendment	$ 496,000
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	48,000
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year:
Interest cost	$ 277,000