CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 2,431,456	$ 2,570,365
Marketable investment securities, at fair value	814,161	522,516
Trade accounts receivable, net of allowance for doubtful accounts of $12,027 and $12,956, respectively	196,840	182,527
Trade accounts receivable - DISH Network, net of allowance for doubtful accounts of zero	43,295	19,417
Inventory	83,595	62,620
Prepaids and deposits	54,533	43,456
Other current assets	91,574	10,862
Current assets of discontinued operations	97	311,524
Total current assets	3,715,551	3,723,287
Noncurrent Assets:
Property and equipment, net of accumulated depreciation of $2,661,129 and $2,598,492, respectively	3,465,471	3,398,195
Regulatory authorizations, net	536,936	544,633
Goodwill	504,173	504,173
Other intangible assets, net	58,955	80,734
Investments in unconsolidated entities	161,427	171,016
Other receivable - DISH Network	92,687	90,586
Other noncurrent assets, net	214,814	179,311
Noncurrent assets of discontinued operations	0	316,924
Total noncurrent assets	5,034,463	5,285,572
Total assets	8,750,014	9,008,859
Current Liabilities:
Trade accounts payable	108,406	170,297
Trade accounts payable - DISH Network	4,753	1,072
Current portion of long-term debt and capital lease obligations	40,631	32,984
Deferred revenue and prepayments	65,959	59,989
Accrued interest	47,616	46,487
Accrued compensation	47,756	53,454
Accrued expenses and other	98,227	95,726
Current liabilities of discontinued operations	542	71,429
Total current liabilities	413,890	531,438
Noncurrent Liabilities:
Long-term debt and capital lease obligations, net of unamortized debt issuance costs	3,594,213	3,622,463
Deferred tax liabilities, net	436,023	746,667
Other noncurrent liabilities	128,503	90,785
Noncurrent liabilities of discontinued operations	0	10,701
Total noncurrent liabilities	4,158,739	4,470,616
Total liabilities	4,572,629	5,002,054
Commitments and Contingencies	0	0
Stockholders’ Equity:
Additional paid-in capital	3,669,461	3,828,677
Accumulated other comprehensive loss	(130,154)	(124,803)
Accumulated earnings	721,316	314,247
Treasury stock, at cost	(98,162)	(98,162)
Total EchoStar stockholders’ equity	4,162,563	3,920,065
Noncontrolling interest in HSS Tracking Stock	0	73,910
Other noncontrolling interests	14,822	12,830
Total stockholders’ equity	4,177,385	4,006,805
Total liabilities and stockholders’ equity	8,750,014	9,008,859
Class A common stock
Stockholders’ Equity:
Common stock	54	52
Class B 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
Preferred Stock
Stockholders’ Equity:
Preferred stock	$ 0	$ 6