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Acquisitions and Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | A summary of changes in the carrying amount of goodwill follows (in thousands):
| West |  | Central |  | East |  | Financial Services |  | Corporate |  | Total
Balance at January 1, 2013 | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Additions | — |  |  | — |  |  | 10,247 |  |  | — |  |  | — |  |  | 10,247 |
Balance at December 31, 2013 | — |  |  | — |  |  | 10,247 |  |  | — |  |  | — |  |  | 10,247 |
Additions | — |  |  | — |  |  | 22,715 |  |  | — |  |  | — |  |  | 22,715 |
Balance at December 31, 2014 | $ | — |  |  | $ | — |  |  | $ | 32,962 |  |  | $ | — |  |  | $ | — |  |  | $ | 32,962 |

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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=35741047&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=35741047&loc=d3e13854-109267 + Details
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