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Investments (Tables) | 3 Months Ended
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Mar. 31, 2019
Investments [Abstract] |
Schedule of other investments which do not have readily determinable fair values | Investments consist of the following:
(in thousands) | March 31, 2019 |  | December 31, 2018
Domestic equity funds | $ | 1,628 |  |  | $ | 1,409 |
International equity funds | 409 |  |  | 370 |
Total investments carried at fair value | 2,037 |  |  | 1,779 |
CoBank | 7,925 |  |  | 7,705 |
Equity in other telecommunications partners | 779 |  |  | 782 |
Total investments carried at cost | 8,704 |  |  | 8,487 |
Other | 533 |  |  | 522 |
Total equity method investments | 533 |  |  | 522 |
Total investments | $ | 11,274 |  |  | $ | 10,788 |

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