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Property and Equipment Table (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, cost	$ 91,777	$ 96,068
Accumulated depreciation	(56,034)	(57,430)
Property and equipment, net	35,743	38,638
Computer Software and Hardware [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, cost	46,207	49,069
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, cost	21,321	22,558
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, cost	17,897	17,897
Office Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, cost	$ 6,352	$ 6,544
Minimum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	1 year
Minimum [Member] | Computer Software and Hardware [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	1 year
Minimum [Member] | Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	3 years
Minimum [Member] | Office Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	5 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	12 years
Maximum [Member] | Computer Software and Hardware [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	7 years
Maximum [Member] | Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	12 years
Maximum [Member] | Office Furniture and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, useful Life	10 years

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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