SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Mortgage Loans Held for Sale (Details) (Mortgage Loans Held for Sale [Member])	12 Months Ended
	Dec. 31, 2012
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Period of Time Between Issuance of Loan Commitment and Closing and Sale of Loan (in days)	10 days
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Period of Time Between Issuance of Loan Commitment and Closing and Sale of Loan (in days)	60 days