For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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PARENT COMPANY ONLY FINANCIAL INFORMATION (Textual) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Aug. 10, 2009	Dec. 31, 2012 Parent Company	Dec. 31, 2011 Parent Company	Mar. 24, 2011 Investors Of America Limited Partnership	Mar. 20, 2013 Subsequent Event Revolving Credit Facility Investors Of America Limited Partnership Parent Company
Entity Information [Line Items]
Cash and due from banks	$ 114,841,000	$ 101,822,000		$ 2,744,000	$ 2,801,000
Restricted cash and cash equivalents, current				0	2,008,000
Line of credit facility, maximum borrowing capacity						5,000,000	5,000,000
Trust preferred securities value			$ 345,000,000