Investments (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of other investments which do not have readily determinable fair values

At September 30, 2017 and December 31, 2016, other investments, comprised of equity securities which do not have readily determinable fair values, consist of the following (in thousands):

	September 30, 2017		December 31, 2016
Cost method:
CoBank	$	6,644	$	6,177
Other – Equity in other telecommunications partners	812		742
	7,456		6,919
Equity method:
Other	592		450
Total other investments	$	8,048	$	7,369