XML 80 R61.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Stock Compensation - Shares Available for Future Grants and Reserve for Issuance (Parenthetical) (Details) - shares | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Director |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Directors deferred compensation account (in shares) | 143,645 | 142,913

X
- Definition Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_DirectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |