CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,597,295	$ 2,431,456
Marketable investment securities, at fair value	1,842,875	814,161
Trade accounts receivable and contract assets, net (Note 3)	217,524	196,840
Trade accounts receivable - DISH Network	11,065	43,295
Inventory	70,061	83,595
Prepaids and deposits	56,149	54,533
Other current assets	17,222	91,671
Total current assets	3,812,191	3,715,551
Noncurrent assets:
Property and equipment, net	3,442,537	3,465,471
Regulatory authorizations, net	525,595	536,936
Goodwill	504,173	504,173
Other intangible assets, net	47,912	58,955
Investments in unconsolidated entities	160,669	161,427
Other receivables - DISH Network	94,503	92,687
Other noncurrent assets, net	262,866	214,814
Total noncurrent assets	5,038,255	5,034,463
Total assets	8,850,446	8,750,014
Current liabilities:
Trade accounts payable	119,235	108,406
Trade accounts payable - DISH Network	1,411	4,753
Current portion of long-term debt and capital lease obligations	1,030,088	40,631
Contract liabilities	74,135	65,959
Accrued interest	57,589	47,616
Accrued compensation	41,341	47,756
Accrued taxes	16,681	16,122
Accrued expenses and other	72,464	82,647
Total current liabilities	1,412,944	413,890
Noncurrent liabilities:
Long-term debt and capital lease obligations, net	2,582,819	3,594,213
Deferred tax liabilities, net	471,259	436,023
Other noncurrent liabilities	124,694	128,503
Total noncurrent liabilities	3,178,772	4,158,739
Total liabilities	4,591,716	4,572,629
Commitments and contingencies (Note 15)
Stockholders’ equity:
Preferred Stock	0	0
Additional paid-in capital	3,694,682	3,669,461
Accumulated other comprehensive loss	(160,947)	(130,154)
Accumulated earnings	808,330	721,316
Treasury stock, at cost	(98,162)	(98,162)
Total EchoStar Corporation stockholders’ equity	4,244,005	4,162,563
Other noncontrolling interests	14,725	14,822
Total stockholders’ equity	4,258,730	4,177,385
Total liabilities and stockholders’ equity	8,850,446	8,750,014
Class A common stock
Stockholders’ equity:
Common stock	54	54
Class B convertible common stock
Stockholders’ equity:
Common stock	48	48
Class C convertible common stock
Stockholders’ equity:
Common stock	0	0
Class D common stock
Stockholders’ equity:
Common stock	$ 0	$ 0