Debt (Details) (USD $)			0 Months Ended					0 Months Ended			0 Months Ended							0 Months Ended		0 Months Ended				0 Months Ended	9 Months Ended			0 Months Ended							0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Jul. 01, 2014 Senior Credit Facility [Member]	Sep. 30, 2014 Line of Credit [Member]	Dec. 31, 2013 Line of Credit [Member]	Sep. 30, 2014 Line of Credit [Member] Term Loan [Member]	Dec. 31, 2013 Line of Credit [Member] Term Loan [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] covenant	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member]	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member] Minimum [Member] Base Rate [Member]	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member] Maximum Base Rate [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Debt Instrument, Redemption, Period Three [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Debt Instrument, Redemption, Period Four [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Debt Instrument, Redemption, Period Five [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Debt Instrument, Redemption, Period Six [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Revolving Credit Facility [Member]	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member] Term Loan [Member]	Jul. 02, 2014 Line of Credit [Member] Senior Credit Facility [Member] Term Loan [Member]	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member] Term Loan [Member] Debt Instrument, Redemption, Period One [Member]	Jul. 01, 2014 Line of Credit [Member] Senior Credit Facility [Member] Term Loan [Member] Debt Instrument, Redemption, Period Two [Member]	Sep. 30, 2014 Mortgages [Member]	Dec. 31, 2013 Mortgages [Member]	Apr. 06, 2009 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member]	Sep. 30, 2014 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] covenant	Apr. 01, 2010 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] Swap_Agreements	Apr. 06, 2009 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member]	Jun. 09, 2011 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] London Interbank Offered Rate (LIBOR) [Member]	Apr. 06, 2009 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] London Interbank Offered Rate (LIBOR) [Member]	Sep. 30, 2014 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] Minimum [Member]	Sep. 30, 2014 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] Debt Instrument, Redemption, Period One [Member]	Sep. 30, 2014 Mortgages [Member] Mortgage Loan On Headquarters Facility [Member] Debt Instrument, Redemption, Period Two [Member]	Sep. 30, 2014 Equipment Loan [Member]	Dec. 31, 2013 Equipment Loan [Member]	Dec. 30, 2013 Equipment Loan [Member] satellite_hub	Jan. 30, 2013 Equipment Loan [Member] satellite_hub satellite_hubs
Debt Instrument [Line Items]
Long-term Debt	$ 71,197,000	$ 38,366,000		$ 0	$ 30,000,000	$ 63,781,000	$ 0															$ 3,306,000	$ 3,414,000										$ 4,110,000	$ 4,952,000
Long-term Debt, Current Maturities	4,959,000	1,272,000
Long-term Debt, Excluding Current Maturities	66,238,000	37,094,000
Debt Instrument, Term			5 years																					10 years											5 years	5 years
Line of Credit Facility, Current Borrowing Capacity									80,000,000								15,000,000		65,000,000
Long-term Line of Credit									30,000,000
Debt Instrument, Security Interest Pledged, Percentage																		65.00%
Proceeds from Lines of Credit								250,000										35,000,000
Debt Instrument, Periodic Payment, Principal																				1,200,000	1,600,000				11,000											83,000
Line of Credit Facility, Mandatory Prepayment Provision, Net Cash Proceeds from Dispositions Not Reinvested, Percentage								100.00%
Line of Credit Facility, Mandatory Prepayment Provision, Net Cash Proceeds from Stated Equity Issuance, Percentage								50.00%
Line of Credit Facility, Mandatory Prepayment Provision, Net Cash Proceeds from Receipts Greater than 250 Thousand Dollars, Non-ordinary Business, Percentage								100.00%
Debt Instrument, Basis Spread on Variable Rate											1.50%	2.25%																2.00%	2.25%
Number of Financial Covenants									2																1
Consolidated Leverage Ratio										2.00
Line of Credit Facility, Covenant Compliance, Maximum Consolidated Leverage Ratio													2.25	1.50	1.00
Line of Credit Facility, Covenant Compliance, Maximum Consolidated Fixed Charge Coverage Ratio																1.25
Debt Instrument, Face Amount																											4,000,000								1,200,000	4,700,000
Debt Instrument, Term If Balloon Not Considered																								20 years
Debt Instrument, Collateral Amount																									5,000,000
Debt Instrument, Periodic Payment, Increase (Decrease) in Principal																									1,000
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid																									2,600,000
Debt Covenant, Cash And Cash Equivalents Threshold																														$ 25,000,000
Derivative, Number of Instruments Held																										2
Debt Instrument, Interest Rate, Effective Percentage																															5.91%	6.07%
Debt Instrument, Collateral Pledged																																			1	6
Number of Satellite Hubs Purchased In Period																																				3
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate																																			3.08%	2.76%