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Leases Lease Terms Details (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Leased Assets [Line Items] |  |  |
Operating Leases, Rent Expense, Net | $ 2,620,000 | $ 1,749,000 | $ 1,240,000
Minimum [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Term of Lease | one year |  |
Renewal Term of Lease | one year |  |
Maximum [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Term of Lease | fifteen years |  |
Renewal Term of Lease | five years |  |

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- Definition Number of years in Renewal Term of Lease + References No definition available. + Details
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- Definition Length of Term of Lease + References No definition available. + Details
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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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X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Details
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- Details
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