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.

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Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

Carrying amount as of the balance sheet date of known and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid after one year or beyond the next operating cycle, if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.

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- Definition

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

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Restructuring Charges (Details) (USD $)	12 Months Ended
Restructuring Charges (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Restructuring Cost and Reserve
Restructuring charges	$ 2,442,000	$ 112,000	$ 1,026,000
Payments	1,700,000
Restructuring Reserve	700,000
Restructuring Reserve, Current	500,000
Restructuring Reserve, Noncurrent	200,000
Employee Severance [Member]
Restructuring Cost and Reserve
Restructuring charges	1,400,000
Payments	1,400,000
Restructuring Reserve	0
Facility Closing - Branch Office Closure [Member]
Restructuring Cost and Reserve
Restructuring charges	1,000,000
Payments	300,000
Restructuring Reserve	$ 700,000