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BUSINESS COMBINATIONS AND BRANCH SALES - RenovationReady, CS Financial, and Palisades Group Acquisitions (Details) - USD ($) $ in Thousands | Jan. 31, 2014 | Oct. 31, 2013 | Sep. 10, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  | $ 39,244 | $ 31,591 | $ 30,143 | $ 7,048
Renovation Ready |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill | $ 2,239 |  |  |  |  |  |
Other intangible assets | 761 |  |  |  |  |  |
Cash paid for acquisition | $ 1,000 |  |  |  |  |  |
CS Financial |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 7,178 |  |  |  |  |
Other intangible assets |  | 690 |  |  |  |  |
Cash paid for acquisition |  | $ 1,500 |  |  |  |  |
The Palisades Group |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  | $ 0 |  |  |  |
Other intangible assets |  |  | 0 |  |  |  |
Cash paid for acquisition |  |  | $ 50 |  |  |  |

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