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Related Parties (Schedule Of Service Arrangements With Related Parties) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Related Parties [Abstract]
Other revenues	$ 108	$ 83
Employee compensation and benefits	(33)	(9)
Other- back- office support	(39)	(468)
Net effect of affiliate transactions before income taxes	$ 36	$ (394)

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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