CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,793,053	$ 2,431,456
Marketable investment securities, at fair value	1,640,776	814,161
Trade accounts receivable and contract assets, net (Note 3)	186,962	196,840
Trade accounts receivable - DISH Network, net	26,126	43,295
Inventory	81,388	83,595
Prepaids and deposits	58,911	54,533
Other current assets	15,889	91,671
Total current assets	3,803,105	3,715,551
Noncurrent assets:
Property and equipment, net	3,396,616	3,465,471
Regulatory authorizations, net	528,346	536,936
Goodwill	504,173	504,173
Other intangible assets, net of accumulated amortization of $309,690 and $302,345, respectively	51,593	58,955
Investments in unconsolidated entities	156,022	161,427
Other receivables - DISH Network	93,893	92,687
Other noncurrent assets, net	258,237	214,814
Total noncurrent assets	4,988,880	5,034,463
Total assets	8,791,985	8,750,014
Current liabilities:
Trade accounts payable	100,235	108,406
Trade accounts payable - DISH Network	1,393	4,753
Current portion of long-term debt and capital lease obligations	1,028,119	40,631
Contract liabilities	72,776	65,959
Accrued interest	45,857	47,616
Accrued compensation	42,612	47,756
Accrued taxes	15,719	16,122
Accrued expenses and other	68,195	82,647
Total current liabilities	1,374,906	413,890
Noncurrent liabilities:
Long-term debt and capital lease obligations, net	2,592,174	3,594,213
Deferred tax liabilities, net	456,401	436,023
Other noncurrent liabilities	124,252	128,503
Total noncurrent liabilities	3,172,827	4,158,739
Total liabilities	4,547,733	4,572,629
Commitments and contingencies (Note 15)
Stockholders’ equity:
Preferred Stock	0	0
Additional paid-in capital	3,689,180	3,669,461
Accumulated other comprehensive loss	(154,011)	(130,154)
Accumulated earnings	792,278	721,316
Treasury stock, at cost	(98,162)	(98,162)
Total EchoStar Corporation stockholders’ equity	4,229,387	4,162,563
Other noncontrolling interests	14,865	14,822
Total stockholders’ equity	4,244,252	4,177,385
Total liabilities and stockholders’ equity	8,791,985	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 common stock
Stockholders’ equity:
Common stock	0	0
Class D common stock
Stockholders’ equity:
Common stock	$ 0	$ 0