Investments (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

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

At June 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):

	June 30, 2017		December 31, 2016
Cost method:
CoBank	$	6,470	$	6,177
Other – Equity in other telecommunications partners	738		742
	7,208		6,919
Equity method:
Other	504		450
Total other investments	$	7,712	$	7,369