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Derivatives and Hedging (Narrative) (Details) | Jun. 30, 2019 shares
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Call Option [Member] |
Derivative [Line Items] |
Aggregate notional amount | 305,000
Put Option [Member] |
Derivative [Line Items] |
Aggregate notional amount | 305,000

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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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Balance Type: | na
Period Type: | duration

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- Definition The number of issuer's shares to which the option contract is indexed. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 + Details
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Balance Type: | na
Period Type: | instant

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- Details
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- Details
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Balance Type: |
Period Type: |