Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income	$ 178,222	$ 27,658
Adjustments to reconcile net income to net cash used in operating activities:
Additions to streaming content assets	(2,348,666)	(2,316,599)
Change in streaming content liabilities	366,257	905,723
Amortization of streaming content assets	1,305,683	1,058,521
Amortization of DVD content assets	18,598	20,441
Depreciation and amortization of property, equipment and intangibles	15,049	14,798
Stock-based compensation expense	44,888	42,422
Excess tax benefits from stock-based compensation	0	(11,316)
Other non-cash items	21,666	12,757
Deferred taxes	(26,764)	(16,603)
Changes in operating assets and liabilities:
Other current assets	(25,402)	14,308
Accounts payable	(11,000)	(19,898)
Accrued expenses	93,542	41,232
Deferred revenue	15,221	27,502
Other non-current assets and liabilities	8,850	(29,536)
Net cash used in operating activities	(343,856)	(228,590)
Cash flows from investing activities:
Acquisition of DVD content assets	(25,372)	(23,207)
Purchases of property and equipment	(52,523)	(8,425)
Change in other assets	(769)	(356)
Purchases of short-term investments	(57,774)	(34,962)
Proceeds from sale of short-term investments	55,748	8,188
Proceeds from maturities of short-term investments	5,100	63,025
Net cash (used in) provided by investing activities	(75,590)	4,263
Cash flows from financing activities:
Proceeds from issuance of common stock	24,178	3,536
Excess tax benefits from stock-based compensation	0	11,316
Other financing activities	61	55
Net cash provided by financing activities	24,239	14,907
Effect of exchange rate changes on cash and cash equivalents	5,455	5,334
Net decrease in cash and cash equivalents	(389,752)	(204,086)
Cash and cash equivalents, beginning of period	1,467,576	1,809,330
Cash and cash equivalents, end of period	1,077,824	1,605,244
Supplemental disclosure:
Change in investing activities included in liabilities	$ (16,672)	$ (503)