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Other Intangible, Net and Goodwill (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |  |
Change In Gross Amount of Identifiable Intangible Assets |  |  | $ 0 |
Finite-Lived Intangible Assets, Amortization Expense | $ 700 | $ 500 | 1,300 | $ 1,000
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 25,900 |  | 25,900 |
Accumulated Amortization | 10,200 |  | 10,200 |
Net Intangible Assets | 15,700 |  | $ 15,700 |
Customer Relationships |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period (years) |  |  | 20 years |
Gross Amount | 13,600 |  | $ 13,600 |
Accumulated Amortization | 1,987 |  | 1,987 |
Net Intangible Assets | 11,613 |  | 11,613 |
Tradename |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 8,100 |  | 8,100 |
Accumulated Amortization | 6,404 |  | 6,404 |
Net Intangible Assets | 1,696 |  | 1,696 |
Covenants Not to Compete |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 4,200 |  | 4,200 |
Accumulated Amortization | 1,809 |  | 1,809 |
Net Intangible Assets | $ 2,391 |  | $ 2,391 |
Maximum [Member] | Tradename |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period (years) |  |  | 6 years |
Maximum [Member] | Covenants Not to Compete |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period (years) |  |  | 10 years |
Minimum [Member] | Tradename |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period (years) |  |  | 6 months |
Minimum [Member] | Covenants Not to Compete |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period (years) |  |  | 1 year |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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