Note 7 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

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

			Fair Value Measurements at September 30, 2017 Using
Description	Balance as of September 30, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Government agencies and corporations	$	292,229	$	---	$	292,229	$	---
States and political subdivisions		10,185		---		10,185		---
Mortgage-backed securities		711		---		711		---
Corporate debt securities		6,198		---		6,198		---
Other securities		---		---		---		---
Total securities available for sale	$	309,323	$	---	$	309,323	$	---

			Fair Value Measurements at December 31, 20 16 Using
Description	Balance as of December 31, 2016		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
U.S. Government agencies and corporations	$	285,598	$	---	$	285,598	$	---
States and political subdivisions		11,693		---		11,693		---
Mortgage-backed securities		930		---		930		---
Corporate debt securities		5,898		---		5,898		---
Other securities		163		---		163		---
Total securities available for sale	$	304,282	$	---	$	304,282	$	---

Fair Value Measurements, Nonrecurring [Table Text Block]

				Carrying V alue
Date	Description	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	Assets:
September 30, 2017	Impaired loans net of valuation allowance	$	1,451	$	---	$	---	$	1,451
December 31, 201 6	Impaired loans net of valuation allowance		878		---		---		878

				Carrying Value
Date	Description	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	Assets:
September 30, 2017	Other real estate owned net of valuation allowance	$	2,923					$	2,923
December 31, 201 6	Other real estate owned net of valuation allowance		3,156		---		---		3,156

Fair Value Inputs, Assets, Quantitative Information [Table Text Block]

September 30, 2017	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Present value of cash flows	Discount rate		5.50%	–	13.25%	(6.01%)

December 31, 201 6	Valuation Technique	Unobservable Input	Range (Weighted Average)
Impaired loans	Present value of cash flows	Discount rate		6.75%	–	8.00%	(7.35%)

September 30, 2017	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost	2.44 %	–	11.09%	(4.86%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal	1.68 %	–	60.94%	(10.34%)

December 31, 201 6	Valuation Technique	Unobservable Input	Range (Weighted Average)
Other real estate owned	Discounted appraised value	Selling cost	2.91 %	–	8.60%	(6.48%)
Other real estate owned	Discounted appraised value	Discount for lack of marketability and age of appraisal	0%	–	53.46%	(13.66%)

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

	September 30 , 2017
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
Financial A ssets:
Cash and due from banks	$	12,066	$	12,066	$	---	$	---
Interest-bearing deposits		58,260		58,260		---		---
Securities		439,073		---		443,182		---
Restricted securities		1,200		---		1,200		---
Loans held for sale		505		---		505		---
Loans, net		651,889		---		---		651,431
Accrued interest receivable		5,123		---		5,123		---
Bank-owned life insurance		33,520		---		33,520		---
Financial Liabilities:
Deposits	$	1,031,973	$	---	$	913,254	$	117,222
Accrued interest payable		51		---		51		---

	December 31, 201 6
	Carrying Amount		Quoted Prices in Active Markets for Identical Assets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
Financial A ssets:
Cash and due from banks	$	13,974	$	13,974	$	---	$	---
Interest-bearing deposits		80,268		80,268		---		---
Securities		439,239		---		441,974		---
Restricted securities		1,170		---		1,170		---
L oans held for sale		478		---		478		---
Loans, net		639,452		---		---		658,386
Accrued interest receivable		5,260		---		5,260		---
Bank-owned life insurance		22,998		---		22,998		---
Financial Liabilities:
Deposits	$	1,043,442	$	---	$	912,828	$	128,690
Accrued interest payable		55		---		55		---