Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
sqft
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|
Operating leases | |||
Total area of Vanda's current headquarters in sq ft | 21,400 | ||
Allowance for tenant improvements | $ 1.9 | ||
Lease termination penalty expense, Rockville | (0.7) | ||
Rent expense | 1.1 | 2.0 | 2.1 |
Washington DC Lease
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Operating leases | |||
Lease expiration date | Jun. 30, 2013 | ||
Office space in Washington, D.C., operating lease termination year | 2023 | ||
Renewal term of Lease agreement for Vanda's current headquarters | 5 years | ||
Rockville Lease
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|||
Operating leases | |||
Rent expense | 0.8 | ||
Lease exit liability component | 1.3 | ||
Reversal of deferred rent liability component | (0.5) | ||
Rockville Lease | Research and development
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Operating leases | |||
Lease termination penalty expense, Rockville | 0.6 | ||
Rent expense | 0.6 | ||
Rockville Lease | General and Administrative Expense
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Operating leases | |||
Lease termination penalty expense, Rockville | 0.1 | ||
Rent expense | $ 0.2 |