| Component: (Network and Table) | |
|---|---|
| Network | 00500 - Statement - Consolidated Statements of Cash Flows (http://www.clovisoncology.com/role/StatementConsolidatedStatementsOfCashFlows)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001466301 (http://www.sec.gov/CIK) | 
| Consolidated Statements of Cash Flows | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-01-01 - 2015-12-31  | 2014-01-01 - 2014-12-31  | |
Consolidated Statements of Cash Flows  | |||
Operating activities  | |||
Net loss  | (349,137,000)   | (352,861,000)   | (160,031,000)   | 
Adjustments to reconcile net loss to net cash used in operating activities:  | |||
Share-based compensation expense  | |||
Depreciation and amortization  | |||
Amortization of premiums and discounts on available-for-sale securities  | |||
Amortization of debt issuance costs  | |||
Impairment of intangible asset  | 104,517,000    | 89,557,000    | 3,409,000    | 
Change in fair value of contingent purchase consideration  | (  | (  | (  | 
Loss on disposal of equipment  | |||
Deferred income taxes  | (  | (  | |
Changes in operating assets and liabilities  | |||
Accounts receivable  | (  | ||
Prepaid and accrued research and development expenses  | (  | ||
Other operating assets  | (  | (  | |
Accounts payable  | (  | (  | |
Other accrued expenses  | |||
Net cash used in operating activities  | (  | (  | (  | 
Investing activities  | |||
Purchases of property and equipment  | (  | (  | (  | 
Proceeds from sale of property and equipment  | |||
Purchases of available-for-sale securities  | (  | ||
Sales of available-for-sale securities  | |||
Net cash provided by (used in) investing activities  | (  | (  | |
Financing activities  | |||
Proceeds from the sale of common stock, net of issuance costs  | |||
Proceeds from the issuance of convertible senior notes, net of issuance costs  | |||
Proceeds from the exercise of stock options and employee stock purchases  | |||
Net cash provided by financing activities  | |||
Effect of exchange rate changes on cash and cash equivalents  | (  | (  | (  | 
(Decrease) increase in cash and cash equivalents  | (  | (  | |
Cash and cash equivalents at beginning of period  | 278,756,000    | ||
Cash and cash equivalents at end of period  | 216,186,000    | 278,756,000    | 482,677,000    | 
Supplemental disclosure of cash flow information:  | |||
Cash paid for interest  | |||
Non-cash investing and financing activities:  | |||
Acquired in-process research and development - milestone not paid as of period end  | |||