| Component: (Network and Table) | |
|---|---|
| Network | 148 - Disclosure - Accounts payable and accrued liabilities - Schedule of Accounts Payable and Accrued Liabilities (Detail) (http://www.seattlegenetics.com/taxonomy/role/DisclosureAccountsPayableAndAccruedLiabilitiesScheduleOfAccountsPayableAndAccruedLiabilities) |
| Table | Accounts Payable And Accrued Liabilities [Table] |
| Reporting Entity [Axis] | 0001060736 (http://www.sec.gov/CIK) |
| Legal Entity [Axis] | Entity [Domain] |
| Accounts Payable And Accrued Liabilities [Line Items] | Period [Axis] | |
|---|---|---|
2012-12-31 | 2011-12-31 | |
Compensation and benefits | 16,228,000 | 16,345,000 |
Trade accounts payable | 12,864,000 | 15,650,000 |
Clinical trial and companion diagnostic costs | 10,442,000 | 9,516,000 |
Contract manufacturing | 8,371,000 | 7,305,000 |
Third-party royalties and government rebates | 5,000,000 | 2,960,000 |
Other | 3,225,000 | 1,272,000 |
Total | 56,130,000 | 53,048,000 |