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Employee Benefit Plans (Schedule of Target Asset Allocations) (Details) | Dec. 31, 2019
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Cash and Cash Equivalents [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 5.00%
Cash and Cash Equivalents [Member] | Minimum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 0.00%
Cash and Cash Equivalents [Member] | Maximum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 20.00%
Fixed Income Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 40.00%
Fixed Income Securities [Member] | Minimum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 30.00%
Fixed Income Securities [Member] | Maximum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 50.00%
Equity Securities [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 55.00%
Equity Securities [Member] | Minimum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 45.00%
Equity Securities [Member] | Maximum [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Defined Benefit Plan, Target Plan Asset Allocations | 65.00%

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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. + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: 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=118257860&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 + Details
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