XML 26 R35.htm IDEA: XBRL DOCUMENT

Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summary of liability related to lease
Balance as of January 1	$ 1,103	$ 452
Net rental receipts (payments)	(110)	(8)
Accretion of discount	21	9
Increase in net estimated contract termination costs
Balance as of March 31	$ 1,014	$ 453

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

+ References+ Details

- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

+ References+ Details