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Note 4 - Goodwill and Franchise Value - Goodwill (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Dec. 31, 2015
Domestic [Member] |  |  |  |
Balance | [1] | $ 97,903 |  | $ 91,011
Additions through acquisitions |  | 3,447 | [2] | 6,892
Reduction related to divestiture |  | (1,218) |  |
Balance | [1] | 100,132 |  | 97,903
Import [Member] |  |  |  |
Balance | [1] | 84,384 |  | 79,601
Additions through acquisitions |  | 2,895 | [2] | 5,029
Reduction related to divestiture |  |  |  | (246)
Balance | [1] | 87,279 |  | 84,384
Luxury [Member] |  |  |  |
Balance | [1] | 30,933 |  | 28,763
Additions through acquisitions |  | 677 | [2] | 2,170
Reduction related to divestiture |  |  |  |
Balance | [1] | 31,610 |  | 30,933
Balance | [1] | 213,220 |  | 199,375
Additions through acquisitions |  | 7,019 | [2] | 14,091
Reduction related to divestiture |  | (1,218) |  | (246)
Balance | [1] | $ 219,021 |  | $ 213,220
[1] | Net of accumulated impairment losses of $299.3 million recorded during the year ended December 31, 2008.
[2] | Our purchase price allocation is preliminary for the acquisitions related to the Carbone Auto Group and Casper Ford and the associated goodwill has not been allocated to each of our segments. See also Note 12.

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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