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Consolidated Statements of Cash Flows (Parenthetical) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Mortgage loan issued for sold real estate	$ 116	$ 102
Real estate transferred to other long-term investments category due to foreclosed mortgage loan		$ 101

Mortgage loan related to property sales in noncash investing and financing activities.

Value of other real estate transferred from the entity's other real estate in noncash transactions.