Fair Value Disclosures (Tables)

6 Months Ended

Jun. 30, 2014

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Assets and liabilities recorded at fair value on a recurring basis are as follows.

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	June 30,		Assets		Inputs		Inputs
	2014		(Level 1)		(Level 2)		(Level 3)
Debt securities available-for-sale:

U.S. Government agencies	$	691,638	$	-	$	691,638	$	-
State and municipal securities		10,899,954		-		10,899,954		-
Mortgage-backed securities:
Residential mortgage guaranteed by GNMA or FNMA		5,179,885		-		5,179,885		-
Collateralized mortgage obligations issued or guaranteed by U.S.
Government agencies or sponsored agencies		66,543,130		-		66,543,130		-

Total securities available-for-sale	$	83,314,607	$	-	$	83,314,607	$	-

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2013		(Level 1)		(Level 2)		(Level 3)
Debt securities available-for-sale:

U.S. Government agencies	$	3,481,335	$	-	$	3,481,335	$	-
State and municipal securities		15,249,238		-		15,249,238		-
Mortgage-backed securities:
Residential mortgage guaranteed by GNMA or FNMA		7,132,279		-		7,132,279		-
Collateralized mortgage obligations issued or guaranteed by U.S.
Government agencies or sponsored agencies		66,345,820		-		66,345,820		-

Total securities available-for-sale	$	92,208,672	$	-	$	92,208,672	$	-

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Table Text Block]

The tables below present information about assets and liabilities on the balance sheet at June 30, 2014 and December 31, 2013 for which a nonrecurring change in fair value was recorded (amounts in thousands).

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	June 30,		Assets		Inputs		Inputs
	2014		(Level 1)		(Level 2)		(Level 3)

Impaired loans	$	892	$	-	$	878	$	14
Foreclosed assets		12,996		-		12,996		-

			Quoted Prices in		Significant		Significant
			Active Markets		Other		Other
	Balance as of		for Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
	2013		(Level 1)		(Level 2)		(Level 3)

Impaired loans	$	3,331	$	-	$	891	$	2,440
Foreclosed assets		12,926		-		12,926		-

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying amount and estimated fair value of Cornerstone's financial instruments at June 30, 2014 and December 31, 2013 are as follows (in thousands):

	June 30, 2014				December 31, 2013
	Carrying		Estimated		Carrying		Estimated
	Amount		Fair Value		Amount		Fair Value
Assets:
Cash and cash equivalents	$	19,041	$	19,041	$	24,852	$	24,852
Securities		83,346		83,346		92,243		92,244
Federal Home Loan Bank stock		2,323		2,323		2,323		2,323
Loans, net		289,039		289,587		286,237		287,411
Cash surrender value of life insurance		1,243		1,243		1,233		1,233
Accrued interest receivable		1,083		1,083		978		978

Liabilities:
Noninterest-bearing demand deposits		65,966		65,966		75,207		75,207
Interest-bearing demand deposits		26,242		26,242		24,564		24,564
Savings deposits and money market accounts		82,269		82,269		86,330		86,330
Time deposits		156,936		158,216		155,314		156,698
Federal funds purchased and securities sold under agreements to repurchase		21,913		21,913		22,974		22,974
Federal Home Loan Bank advances and other borrowings		25,000		25,497		26,740		27,449
Accrued interest payable		80		80		82		82

Unrecognized financial instruments (net of contract amount):
Commitments to extend credit		-		-		-		-
Letters of credit		-		-		-		-
Lines of credit		-		-		-		-

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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