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Network
100670 - Disclosure - Income Taxes - Amounts of Gross Unrecognized Tax Benefits (Detail)
(http://www.he-equipment.com/20161231/taxonomy/role/DisclosureIncomeTaxesAmountsOfGrossUnrecognizedTaxBenefitsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001339605 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Income Tax Disclosure [Abstract]
 
 
Gross unrecognized tax benefits at January 1
6,035,000  
5,962,000  
Increases in tax positions taken in prior years
26,000  
73,000  
Decreases in tax positions taken in prior years
  
Increases in tax positions taken in current year
105,000  
 
Decreases for tax positions taken in current year
0  
0  
Settlements with taxing authorities
  
Lapse in statute of limitations
(47,000) 
 
Gross unrecognized tax benefits at December 31
6,119,000  
 
6,035,000