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Financial Instruments with Off-Balance Sheet Risk and Contingent Liabilities
12 Months Ended
Dec. 31, 2011
Guarantees [Abstract]  
Guarantees [Text Block]
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK AND CONTINGENT LIABILITIES
(In Thousands)

The following table presents the balance for standby letters of credit for the periods ended March 31, 2012, December 31, 2011 and March 31, 2011:
 
03/31/2012
 
12/31/2011
 
03/31/2011
 
 
 
 
 
 
Standby Letters of Credit
$
11,641

 
$
11,641

 
$
8,221


Arrow does not issue any guarantees that would require liability-recognition or disclosure, other than its standby letters of credit. Standby and other letters of credit are conditional commitments issued by Arrow to guarantee the performance of a customer to a third party. Those guarantees are primarily issued to support public and private borrowing arrangements, including bond financing and similar transactions. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. Typically, these instruments have terms of twelve months or less. Some expire unused, and therefore, the total amounts do not necessarily represent future cash requirements. Some have automatic renewal provisions.

For letters of credit, the amount of the collateral obtained, if any, is based on management's credit evaluation of the counter-party, most of which will expire within one year and some of which were not collateralized. All standby letters of credit were for private borrowing arrangements. The fair value of Arrow's standby letters of credit at March 31, 2012, December 31, 2011 and March 31, 2011 was insignificant.