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Intangible Assets and Acquisitions (Tables) | 6 Months Ended
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Jun. 30, 2014
Intangible Assets and Acquisitions [Abstract] |
Amortizable Intangible Assets | Amortizable intangible assets consist of the following (in thousands):
|  |  | June 30, 2014 |  | December 31, 2013
| Avg. Life (years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
Non-compete agreements | 3 |  | $ | 6,337 |  |  | $ | 6,145 |  |  | $ | 6,337 |  |  | $ | 6,102 |
Customer relationships | 2 |  | 75,195 |  |  | 73,030 |  |  | 74,799 |  |  | 71,899 |
Vendor relationships | 11 |  | 7,538 |  |  | 1,988 |  |  | 7,538 |  |  | 1,704 |
Total |  |  | $ | 89,070 |  |  | $ | 81,163 |  |  | $ | 88,674 |  |  | $ | 79,705 |
Estimated Amortization Expense | Estimated remaining amortization expense, assuming current intangible balances and no new acquisitions, for each of the years ending December 31, is as follows (in thousands):
| Estimated Amortization Expense
2014 | $ | 1,370 |
2015 | 1,722 |
2016 | 685 |
2017 | 568 |
2018 | 445 |
Thereafter | 3,117 |
Total | $ | 7,907 |
Changes in Recorded Goodwill | A summary of the changes in recorded goodwill follows (in thousands):
| Six Months Ended |  | Year Ended
| June 30, 2014 |  | December 31, 2013
Balance as of January 1, | $ | 1,364,549 |  |  | $ | 1,344,665 |
Additions from acquisitions | 2,154 |  |  | 28,282 |
Goodwill impairments and write-offs related to stores sold or closed | (1,335 | ) |  | (9,038 | )
Post purchase price allocation adjustments | (530 | ) |  | 640 |
Balance as of the end of the period | $ | 1,364,838 |  |  | $ | 1,364,549 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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