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Employee Benefit Plans (Change on Benefit Obligations and Plan Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Change in benefit obligation: |  |
Benefit Obligation, beginning of year | $ 22,530 | $ 0
Service Cost | 5,153 | 1,749
Interest Cost | 862 | 267
Actuarial (Gain) Loss | (3,816) | 992
Benefits Paid | (218) | (56)
Acquisition of Alkali Business | 0 | 19,578
Benefit Obligation, end of year | 24,511 | 22,530
Change in plan assets: |  |
Fair Value of Plan Assets, beginning of year | 13,306 | 0
Actual Return (loss) on Plan Assets | (1,300) | 647
Employer Contributions | 3,928 | 2,250
Benefits Paid | (218) | (56)
Acquisition of Alkali Business | 0 | 10,465
Fair Value of Plan assets, end of year | 15,716 | 13,306
Funded Status at end of period | (8,795) | (9,224)
Amounts recognized in the Consolidated Balance Sheet: |  |
Non-current assets | 0 | 0
Current liabilities | 0 | 0
Non-current Liabilities | (8,795) | (9,224)
Net Liability at end of year | (8,795) | (9,224)
Amounts recognized in accumulated other comprehensive income (loss): |  |
Net actuarial (gain) loss | (939) | 604
Amounts recognized in accumulated other comprehensive income ( loss:) | $ (939) | $ 604

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- Definition Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 + Details
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