Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

Regulatory Matters, Capital Adequacy, and Liquidity (Details 2) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Regulatory capital amounts and ratios
Carrying value of cash and cash equivalents	$ 274,205,000	$ 185,781,000	$ 151,392,000	$ 148,789,000
Loans held-for-sale, fair value disclosure	177,508,000	404,289,000
Loans Held-for-sale, funded period	60 days
Minimum
Regulatory capital amounts and ratios
Leverage capital ratio per FDIC Order	7.50%
Risk-based capital ratio per FDIC Order	11.00%
Construction periods under residential construction loan portfolio	9 months
Maximum
Regulatory capital amounts and ratios
Cash, FDIC insured amount	$ 250,000
Construction periods under residential construction loan portfolio	12 months