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Retirement Agreements and Other Postretirement Benefit Plan (Tables) | 12 Months Ended
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Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract] |
Components Of Net Periodic Benefits Cost | Cost of the Company’s postretirement benefits included the following components:
| 2015 |  | 2014 |  | 2013
Net periodic benefit cost |  |  |  |  |
Service cost – benefits earned during the year | $ | 16,748 |  |  | $ | 14,667 |  |  | $ | 15,782 |
Interest cost on the projected benefit obligation | 30,772 |  |  | 30,472 |  |  | 28,412 |
Amortization (accretion) of unrecognized prior service cost | 4,390 |  |  | 2,217 |  |  | (1,518 | )
Amortization of unrecognized loss | 3,514 |  |  | — |  |  | 6,293 |
Net periodic benefits cost at end of year | $ | 55,424 |  |  | $ | 47,356 |  |  | $ | 48,969 |
Schedule of Net Funded Status On The Balance Sheet | The effects of the funded status on the Company’s Consolidated Balance Sheets at December 31, 2015 and 2014 are presented in the following table:
| 2015 |  | 2014
Funded status |  |  |
Actuarial present value of future benefits: |  |  |
Fully eligible active employee | $ | (483,985 | ) |  | $ | (409,492 | )
Non-eligible active employees | (398,638 | ) |  | (362,045 | )
Plan assets | — |  |  | — |
Funded status of accumulated postretirement benefit obligation, recognized in other liabilities | $ | (882,623 | ) |  | $ | (771,537 | )
Development Of The Accumulated Postretirement Benefit Obligation | Development of the accumulated postretirement benefit obligation for the years ended December 31, 2015 and 2014 includes the following:
| 2015 |  | 2014
Accrued postretirement benefit obligation at beginning of year | $ | (771,537 | ) |  | $ | (679,277 | )
Service cost – benefits earned during the year | (16,748 | ) |  | (14,667 | )
Interest cost on projected benefit obligation | (30,772 | ) |  | (30,472 | )
Actuarial loss | (63,566 | ) |  | (47,121 | )
Accrued postretirement benefit obligation at end of year | $ | (882,623 | ) |  | $ | (771,537 | )
Changes in Amounts Related to Accumulated Other Comprehensive Income, Pre-Tax | The changes in amounts related to accumulated other comprehensive income, pre-tax, are as follows:
| 2015 |  | 2014
Balance at beginning of year | $ | 118,150 |  |  | $ | 73,246 |
Components of accumulated other comprehensive income: |  |  |
Unrecognized prior service cost | (4,390 | ) |  | (2,217 | )
Amortization of loss, net | (3,514 | ) |  | — |
Actuarial loss | 63,566 |  |  | 47,121 |
Balance at end of year | $ | 173,812 |  |  | $ | 118,150 |
Amounts in Accumulated Other Comprehensive Income, Pre-Tax, to be Recognized as Components of Net Periodic Benefit Costs | The amounts currently in accumulated other comprehensive income, pre-tax, that will be reclassified to the Consolidated Statements of Income and recognized as components of net periodic benefit costs in 2015 are:
| Projected 2016
Amortization of unrecognized prior service cost | $ | — |
Amortization of unrecognized loss | 8,941 |
Net periodic benefit cost at end of year | $ | 8,941 |
Effect of Net Periodic Postretirement Benefit Cost and Accumulated Postretirement Benefit Obligation | The following illustrates the effects on the net periodic postretirement benefit cost (“NPPBC”) and the accumulated postretirement benefit obligation (“APBO”) of a one percentage point increase and one percentage point decrease in the assumed health care cost trend rate as of December 31, 2015:
| One Percentage Point Increase |  | One Percentage Point Decrease
Net periodic postretirement benefit cost |  |  |
Effect on the service cost component | $ | 2,600 |  |  | $ | (1,989 | )
Effect on interest cost | 7,339 |  |  | (5,721 | )
Total effect on the net periodic postretirement benefit cost | $ | 9,939 |  |  | $ | (7,710 | )
Accumulated postretirement benefit obligation (including active employees who are not fully eligible) |  |  |
Effect on those currently receiving benefits (retirees and spouses) | $ | — |  |  | $ | — |
Effect on active fully eligible | 81,657 |  |  | (65,192 | )
Effect on actives not yet eligible | 101,813 |  |  | (77,845 | )
Total effect on the accumulated postretirement benefit obligation | $ | 183,470 |  |  | $ | (143,037 | )

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- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income (loss) expected to be recognized as components of net periodic benefit cost over the next fiscal year, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + 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 (s) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + 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 (i) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation 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=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care 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 (m) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition 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=58740216&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + 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 (c) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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