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Non-Controlling Interests (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) Installment Partnership | Dec. 31, 2015 USD ($) Partnership
Business Acquisition [Line Items] |  |
Number of partnership in which interest acquired | Partnership | 6 | 6
Number of partnership in which interest sold | Partnership | 1 |
Purchase price for additional non controlling interest | $ 900 | $ 900
Seller notes | $ 400 |
Number of installments | Installment | 2 |
Book value of purchase price | $ 112 | 217
Remaining purchase price | 1,200 | 700
Future tax benefits | $ 500 | $ 300
Sale of non-controlling interest percentage in partnership one | 4.00% |
Sale of non-controlling interest percentage in partnership two | 35.00% |
Cash proceeds from sale of non-controlling interest | $ 138 |
Amount of notes receivable from sale of non-controlling interest | 148 |
Total sale price | 286 |
Tax effect on sale price | 110 |
February 2017 [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition cost payable in two principal installments including accrued interest | 194 |
February 2018 [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition cost payable in two principal installments including accrued interest | $ 194 |
Minimum [Member] |  |
Business Acquisition [Line Items] |  |
Percentage of interest acquired | 2.00% | 5.00%
Maximum [Member] |  |
Business Acquisition [Line Items] |  |
Percentage of interest acquired | 35.00% | 35.00%

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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