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Employee Benefit Plans (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Supplemental Executive Retirement Plan |  |  |
Defined Benefit Plan Disclosure |  |  |
Accrued liability | $ 480,000 | $ 480,000 | $ 320,000
Accrued expense | $ 80,000 | $ 160,000 | $ 320,000
Pension Benefits |  |  |
Defined Benefit Plan Disclosure |  |  |
Percentage of employer match |  | 3.00% |
Defined benefit plan contributions by employer percent |  | 6.00% |
Contribution to defined benefit plan |  | $ 1,600,000 |

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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 25 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363 + Details
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