CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES:
Net income	$ 8,298	$ 8,401	$ 12,592
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	26,746	23,056	22,022
Deferred income tax provision	187	4,598	5,567
Employee retirement benefits and deferred compensation	1,038	1,289	1,248
Provision for losses on accounts receivable	290	299	1,010
Stock-based compensation	761	1,119	951
(Gain) on sale of assets, retirements and disposals	(154)	(162)	(977)
(Gain) loss on financial derivative instruments	(37)	1,390	(830)
Accrued patronage refunds	(707)	(529)	(525)
Changes in operating assets and liabilities, net of effect from acquired net assets
Receivables	2,792	(976)	(5,922)
Prepaid expenses	(291)	(200)	(275)
Inventories	(13)	(4,416)	(453)
Accounts payable and accrued expenses	1,077	4,276	(126)
Deferred revenue, billings and deposits	1,060	911	(1,640)
Income taxes	16	2,911	(7,110)
Other	318	(260)	656
Net cash provided by operating activities	41,381	41,707	26,188
INVESTING ACTIVITIES:
Additions to property, plant and equipment	(35,998)	(28,385)	(22,888)
Broadband stimulus grant received	5,745	6,945	0
Redemption of investments	1,415	0	0
Proceeds from sale of assets	16	120	1,261
Acquisition, net of cash acquired	(26,337)	0	120
Other	0	0	(20)
Net cash (used in) investing activities	(55,159)	(21,320)	(21,527)
FINANCING ACTIVITIES:
Borrowings on extended term payable arrangement	56,999	57,587	54,507
Payments on extended term payable arrangement	(55,804)	(58,921)	(53,041)
Borrowings on credit facility	22,000	147,700	24,400
Payments on credit facility and capital lease obligations	(7,170)	(146,496)	(26,593)
Proceeds from issuance of common stock	621	571	421
Change in cash overdraft	0	(238)	238
Stock repurchase	0	(325)	0
Dividends paid	(7,620)	(7,281)	(6,940)
Net cash provided by (used in) financing activities	9,026	(7,403)	(7,008)
Net increase (decrease) in cash and cash equivalents	(4,752)	12,984	(2,347)
Cash and cash equivalents at beginning of the year	13,057	73	2,420
Cash and cash equivalents at the end of the year	8,305	13,057	73
Supplemental disclosure of cash flow information:
Cash paid for interest	5,965	4,611	5,224
Net cash paid (received) for income taxes	5,180	(2,467)	5,908
Non-cash investing and financing activities:
Property, plant and equipment acquired with capital leases	$ 133	$ 73	$ 660