Note 4 - Fair Value (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

(In thousands of dollars)	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
March 31, 2013
Securities available for sale
U.S. governmental agency	$	0	$	100,076	$	0	$	100,076
States and political subdivisions		0		129,327		20,281		149,608
Mortgage backed securities		0		60,706		0		60,706
Collateralized mortgage obligations		0		48,695		0		48,695
Equity and other securities		97		0		1,754		1,851
Total securities available for sale	$	97	$	338,804	$	22,035	$	360,936
Trading equity securities	$	6	$	0	$	0	$	6
December 31, 2012
Securities available for sale
U.S. governmental agency	$	0	$	106,885	$	0	$	106,885
States and political subdivisions		0		97,525		20,289		117,814
Mortgage backed securities		0		66,277		0		66,277
Collateralized mortgage obligations		0		61,030		0		61,030
Equity and other securities		91		0		1,581		1,672
Total securities available for sale	$	91	$	331,717	$	21,870	$	353,678
Trading equity securities	$	6	$	0	$	0	$	6

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

(In thousands of dollars)	2013		2012
Balance at beginning of year	$	21,870	$	16,914
Total realized and unrealized gains/(losses) included in income		0		0
Total unrealized gains/(losses) included in other comprehensive income		0		0
Purchases of securities		165		2,242
Sales of securities		0		0
Calls and maturities		0		(2,528	)
Net transfers in/(out) of Level 3		0		0
Balance at March 31 of each year	$	22,035	$	16,628

Fair Value Measurements, Nonrecurring [Table Text Block]

(In thousands of dollars)			Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
March 31, 2013
Impaired loans	$	33,769	$	0	$	0	$	33,769
Other real estate owned	$	3,541	$	0	$	0	$	3,541
Other repossessed assets	$	320	$	0	$	0	$	320
December 31, 2012
Impaired loans	$	36,388	$	0	$	0	$	36,388
Other real estate owned	$	1,296	$	0	$	0	$	1,296
Other repossessed assets	$	250	$	0	$	0	$	250

Estimate of Fair Value, Fair Value Disclosure [Member]

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

March 31, 2013 (In thousands of dollars)	Carrying Amount			Estimated Fair Value			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and cash equivalents	$	110,767		$	110,767		$	110,767	$	0		$	0
FDIC insured bank certificates of deposit		2,927			2,927			2,927		0			0
Trading account securities		6			6			6		0			0
Securities available for sale		360,936			360,936			97		338,804			22,035
Federal Home Loan Bank stock		7,266			7,266			0		0			7,266
Loans held for sale		3,022			3,022			0		3,022			0
Loans, net		940,470			922,570			0		0			922,570
Financial Liabilities:
Deposits		(1,256,878	)		(1,256,668	)		0		0			(1,256,668	)
Securities sold under agreements to repurchase and overnight borrowing		(43,065	)		(43,065	)		0		(43,065	)		0
Federal Home Loan Bank advances		(19,959	)		(21,513	)		0		0			(21,513	)
Subordinated debentures		(36,084	)		(36,094	)		0		0			(36,094	)

December 31, 2012 (In thousands of dollars)	Carrying Amount			Estimated Fair Value			Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)
Financial Assets:
Cash and cash equivalents	$	99,601		$	99,601		$	99,601	$	0		$	0
FDIC insured bank certificates of deposit		2,927			2,927			2,927		0			0
Trading account securities		6			6			6		0			0
Securities available for sale		353,678			353,678			91		331,717			21,870
Federal Home Loan Bank stock		7,266			7,266			0		0			7,266
Loans held for sale		2,921			2,921			0		2,921			0
Loans, net		942,422			930,354			0		0			930,354
Financial Liabilities:
Deposits		(1,241,401	)		(1,243,712	)		0		0			(1,243,712	)
Securities sold under agreements to repurchase and overnight borrowings		(42,785	)		(42,785	)		0		(42,785	)		0
Federal Home Loan Bank advances		(22,493	)		(24,122	)		0		0			(24,122	)
Subordinated debentures		(36,084	)		(36,093	)		0		0			(36,093	)