Note 9 - Fair Value Measurements and Disclosures (Tables)

9 Months Ended

Sep. 30, 2016

Fair Value Disclosures [Abstract]

Financial Assets Measured at Fair Value on a Recurring and Nonrecurring Basis

September 30, 2016	Quotedprices in active markets for identical assets (Level 1)		Significant other observable input (Level 2)		Significant unobservable inputs (Level 3)		Balance at end of period
Recurring fair value measurements
Trading Securities
State and municipal securities	$	—	$	4,312	$	—	$	4,312
Securities available-for-sale
U.S. Government agency securities		—	$	65,812		—	$	65,812
State and municipal securities		—		73,560		—		73,560
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed securities		—		132,746		—		132,746
Collateralized mortgage obligations (CMOs)		—		79,264		—		79,264
Pooled trust preferred securities		—		—	$	2,275		2,275
Corporate debt securities		—		7,112		—		7,112
Equity securities	$	8,065		—		—		8,065
Total securities available-for-sale	$	8,065	$	358,494	$	2,275	$	368,834
Total recurring fair value measurements	$	8,065	$	362,806	$	2,275	$	373,146
Nonrecurring fair value measurements
Impaired loans	$	—	$	—	$	1,046	$	1,046
Mortgage servicing rights		—		—		142		142
Total nonrecurring fair value measurements	$	—	$	—	$	1,188	$	1,188

December 31, 2015	Quoted prices in active markets for identical assets (Level 1)		Significant other observable input (Level 2)		Significant unobservable inputs (Level 3)		Balance at end of period
Recurring fair value measurements
Trading Securities
State and municipal securities	$	—	$	4,189	$	—	$	4,189
Securities available-for-sale
U.S. Government agency securities		—	$	61,779		—	$	61,779
State and municipal securities		—		78,954		—		78,954
U.S. Government agencies and sponsored enterprises (GSEs):
Mortgage-backed securities		—		136,681		—		136,681
Collateralized mortgage obligations (CMOs)		—		65,610		—		65,610
Pooled trust preferred securities		—		—	$	2,653		2,653
Corporate debt securities		—		9,004		—		9,004
Equity securities	$	7,234		—		—		7,234
Total securities available-for-sale	$	7,234	$	352,028	$	2,653	$	361,915
Total recurring fair value measurements	$	7,234	$	356,217	$	2,653	$	366,104
Nonrecurring fair value measurements
Impaired loans	$	—	$	—	$	1,698	$	1,698
Mortgage servicing rights		—		—		133		133
Total nonrecurring fair value measurements	$	—	$	—	$	1,831	$	1,831

Quantitative Information about Assets Measured at Fair Value

	Quantitative information about Level 3 fair value measurements
September 30, 2016	Fairvalue		Valuation techniques		Unobservable input		Valueor range of values
Impaired loans	$	778	Appraisalof collateral	(1)	Appraisal adjustments	(2)	-20% to -90%
					Liquidation expenses	(3)	-10%
Impaired loans		140	Used commercial vehicle and equipment guides		Guide value discounts	(4)	0% to -30%
Impaired loans		128	Financial statement values for UCC collateral		Financial statement value discounts	(5)	-20% to -25%
Mortgage servicing rights		142	Discounted cash flow		Remaining term		2 - 27 yrs
					Discount rate		12% to 14%

	Quantitative information about Level 3 fair value measurements
December 31, 2015	Fair value		Valuation techniques		Unobservable input		Value or range of values
Impaired loans	$	1,331	Appraisal of collateral	(1)	Appraisal adjustments	(2)	-15% to -80%
					Liquidation expenses	(3)	-10%
Impaired loans		199	Used commercial vehicle and equipment guides		Guide value discounts	(4)	0% to -30%
Impaired loans		168	Financial statement values for UCC collateral		Financial statement value discounts	(5)	-25% to -70%
Mortgage servicing rights		133	Discounted cash flow		Remaining term		3 - 28 yrs
					Discount rate		10% to 12%

Available-for-sale Securities Measured at Fair Value Using Significant Unobservable Inputs

	Fair value measurements using significant unobservable inputs (Level 3)
Balance, January 1, 2016	$	2,653
Payments received		(312	)
Total gains or losses (realized/unrealized)
Included in earnings		—
Included in other comprehensive income		(66	)
Transfers in and/or out of Level 3		—
Balance, September 30, 2016	$	2,275

Financial and Off-balance Sheet Instruments

					Fair value measurements
September 30, 2016	Carrying amount		Fair value		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial assets
Cash and cash equivalents	$	69,428	$	69,428	$	69,428		—		—
Investment securities:
Trading		4,312		4,312		—	$	4,312		—
Available-for-sale		368,834		368,834		8,065		358,494	$	2,275
Held-to-maturity		147		147		—		147		—
Restricted investment in bank stocks		522		522		—		522		—
Loans held-for-sale		456		466		—		466		—
Net loans		600,638		610,066		—		—		610,066
Mortgage servicing rights		498		555		—		—		555
Accrued interest receivable		2,573		2,573		—		2,573		—
Financial liabilities
Deposits with no stated maturities	$	698,336	$	698,336	$	698,336		—	$	—
Deposits with stated maturities		228,376		230,993		—	$	230,993		—
Short-term borrowings		41,179		41,179		41,179		—		—
Accrued interest payable		310		310		—		310		—
Off-balance sheet instruments
Commitments to extend credit	$	—	$	—	$	—	$	—	$	—
Standby letters of credit		—		—		—		—		—

					Fair value measurements
December 31, 2015	Carrying amount		Fair value		Quoted prices in active markets for identical assets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Financial assets
Cash and cash equivalents	$	16,991	$	16,991	$	16,991		—		—
Investment securities:
Trading		4,189		4,189		—	$	4,189		—
Available-for-sale		361,915		361,915		7,234		352,028	$	2,653
Held-to-maturity		147		151		—		151		—
Restricted investment in bank stocks		508		508		—		508		—
Loans held-for-sale		987		1,004		—		1,004		—
Net loans		607,716		610,315		—		—		610,315
Mortgage servicing rights		504		642		—		—		642
Accrued interest receivable		2,562		2,562		—		2,562		—
Financial liabilities
Deposits with no stated maturities	$	662,410	$	662,410	$	662,410		—	$	—
Deposits with stated maturities		227,376		227,862		—	$	227,862		—
Short-term borrowings		37,163		37,163		37,163		—		—
Accrued interest payable		330		330		—		330		—
Off-balance sheet instruments
Commitments to extend credit	$	—	$	—	$	—	$	—	$	—
Standby letters of credit		—		—		—		—		—