Accounts receivable and unbilled, related parties, current.

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- Definition

Advanced billings represents cash received from related parties or billed amounts per an agreed upon payment schedule where cash has not been received in advance of services being performed or revenue being recognized.

+ References

No definition available.

+ Details

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- Definition

Lease expiration month and year.

+ References

No definition available.

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- Definition

Lease expiration year.

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No definition available.

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- Definition

Lease occupancy year.

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No definition available.

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- Definition

Lessee leasing arrangements capital leases renewal term.

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No definition available.

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- Definition

Lessee leasing arrangements capital leases term of contract.

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No definition available.

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- Definition

Number of buildings.

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No definition available.

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- Definition

Number of lease agreements.

+ References

No definition available.

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- Definition

Number of lease renewal options.

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No definition available.

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- Definition

Funds received from related parties in advance of study expenditures.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reimbursed out-of-pocket revenue with related parties including, but not limited to, travel, meetings, printing, and shipping and handling fees.

+ References

No definition available.

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Balance Type:	credit
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- Definition

Related party capital lease payments.

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No definition available.

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Balance Type:	debit
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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
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-Name Accounting Standards Codification
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- Definition

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

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- Definition

For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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Balance Type:	debit
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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The number of units in a real estate property owned as of the balance sheet date.

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No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Balance Type:	credit
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- Definition

Date of maturity or expiration of arrangements with a related party (for example, but not limited to, leasing and debt arrangements between related parties), in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Expenses incurred for travel and entertainment during the period.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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Related Party Transactions - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) RenewalOption Agreement Building	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 Parcel
Related Party Transaction [Line Items]
Reimbursed out-of-pocket revenue with related parties		$ 700
Accounts receivable and unbilled, net	1,300		$ 1,000
Advanced billings	300		1,700
Pre-funded study costs with related parties			1,000
Deemed landlord liability, long-term portions	26,091		26,602
Revenue, Net
Related Party Transaction [Line Items]
Revenue with related parties	1,500
Employee Loans \| Prepaid Expenses and Other Current Assets and Other Assets
Related Party Transaction [Line Items]
Employee advances receivables	200		200
Service Agreements \| Coherus Bio Sciences Inc
Related Party Transaction [Line Items]
Revenue with related parties		3,300
Reimbursed out-of-pocket revenue with related parties		600
Accounts receivable and unbilled, net			300
Advanced billings			1,500
Pre-funded study costs with related parties			1,000
Service Agreements \| Xenon
Related Party Transaction [Line Items]
Revenue with related parties		500
Service Agreements \| Cymabay
Related Party Transaction [Line Items]
Revenue with related parties		100
Accounts receivable and unbilled, net	600		100
Advanced billings	100
Service Agreements \| Cymabay \| Revenue, Net
Related Party Transaction [Line Items]
Revenue with related parties	700
Service Agreements \| LIB
Related Party Transaction [Line Items]
Revenue with related parties		100
Accounts receivable and unbilled, net	700		500
Advanced billings	200		200
Service Agreements \| LIB \| Revenue, Net
Related Party Transaction [Line Items]
Revenue with related parties	800
Purchase of Real Estate Properties \| Chief Executive Officer
Related Party Transaction [Line Items]
Number of parcel in real estate property \| Parcel				4
Purchase price of real estate property	$ 400
Transaction closed date	Jan. 11, 2017
Leased Real Estate \| Chief Executive Officer
Related Party Transaction [Line Items]
Term of lease	12 years
Lease expiration period	2022-11
Number of lease renewal, 10-year option \| RenewalOption	1
Lease term upon renewal	10 years
Lease expense recognized	$ 500	500
Leased Real Estate \| Chief Executive Officer And Immediate Family
Related Party Transaction [Line Items]
Number of lease renewal, 10-year option \| RenewalOption	1
Number of lease agreements \| Agreement	2
Number of buildings \| Building	2
Lease occupancy year	2012
Lease expiration year	2027
Lease term upon renewal	10 years
Term of lease	15 years
Related party capital lease payments	$ 1,000	900
Deemed landlord liability, current	2,000		1,900
Deemed landlord liability, long-term portions	26,100		26,600
Leased Real Estate \| Property and Equipment, Net \| Chief Executive Officer And Immediate Family \| Building
Related Party Transaction [Line Items]
Deemed assets, net	15,900		$ 16,300
Travel Services \| Chief Executive Officer
Related Party Transaction [Line Items]
Travel expenses with related party	$ 400	$ 300