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Note 11: Federal Reserve Bank Borrowings: Federal Reserve Bank Borrowings Policy (Policies)	12 Months Ended
	Dec. 31, 2012
Policies
Federal Reserve Bank Borrowings Policy	At December 31, 2012 and 2011, the Bank had $446.6 million and $353.6 million, respectively, available under a line-of-credit borrowing arrangement with the Federal Reserve Bank. The line is secured primarily by commercial loans. There were no amounts borrowed under this arrangement at December 31, 2012.