Note 5 - Loans Receivable (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	201 7			201 6
Real estate:
One- to four-family residential	$	391,225		$	389,107
Multifamily residential		89,087			92,460
Nonfarm nonresidential		557,185			495,173
Farmland		96,786			94,018
Construction and land development		157,453			125,785
Commercial		345,087			323,096
Consumer		36,036			36,265
Total loans receivable		1,672,859			1,555,904
Unearned discounts and net deferred loan costs		378			485
Allowance for loan and lease losses		(18,992	)		(15,584	)
Loans receivable —net	$	1,654,245		$	1,540,805

Impaired Financing Receivables [Table Text Block]

	As of or For the Year Ended December 31, 201 7
	Unpaid Principal Balance		Recorded Investment		Valuation Allowance		Average Recorded Investment		Interest Income Recognized
Impaired loans with a valuation allowance:
One- to four-family residential	$	240	$	215	$	64	$	223	$	7
Nonfarm nonresidential		305		305		9		61		--
Farmland		--		--		--		76		--
Commercial		678		676		431		933		--
Consumer		5		5		5		5		--
		1,228		1,201		509		1,298		7
Impaired loans without a valuation allowance:
One- to four-family residential		9,277		7,035		--		6,828		--
Multifamily		--		--		--		48		--
Nonfarm nonresidential		9,110		7,692		--		8,627		36
Farmland		704		657		--		908		--
Construction and land development		353		258		--		375		5
Commercial		1,254		993		--		1,641		--
Consumer		220		207		--		186		--
		20,918		16,842		--		18,613		41
Total impaired loans	$	22,146	$	18,043	$	509	$	19,911	$	48
Interest based on original terms									$	1,145
Interest income recognized on a cash basis on impaired loans									$	--

	As of or For the Year Ended December 31, 2016
	Unpaid Principal Balance		Recorded Investment		Valuation Allowance		Average Recorded Investment		Interest Income Recognized
Impaired loans with a valuation allowance:
One- to four-family residential	$	244	$	229	$	74	$	332	$	7
Nonfarm nonresidential		--		--		--		903		--
Farmland		--		--		--		95		--
Construction and land development		--		--		--		75		--
Commercial		1,865		1,788		488		2,523		--
Consumer		5		5		5		5		--
		2,114		2,022		567		3,933		7
Impaired loans without a valuation allowance:
One- to four-family residential		8,704		6,677		--		7,074		--
Multifamily		--		--		--		107		--
Nonfarm nonresidential		11,022		9,421		--		5,656		--
Farmland		1,226		783		--		740		--
Construction and land development		728		539		--		593		6
Commercial		2,893		2,570		--		1,664		--
Consumer		184		168		--		200		--
		24,757		20,158		--		16,034		6
Total impaired loans	$	26,871	$	22,180	$	567	$	19,967	$	13
Interest based on original terms									$	1,360
Interest income recognized on a cash basis on impaired loans									$	--

	As of or For the Year Ended December 31, 2015
	Unpaid Principal Balance		Recorded Investment		Valuation Allowance		Average Recorded Investment		Interest Income Recognized
Impaired loans with a valuation allowance:
One- to four-family residential	$	430	$	312	$	83	$	833	$	7
Nonfarm nonresidential		2,728		2,395		522		2,651		--
Farmland		616		473		112		479		--
Construction and land development		215		211		89		152		--
Commercial		1,153		1,150		250		461		--
Consumer		5		5		5		13		--
		5,147		4,546		1,061		4,589		7
Impaired loans without a valuation allowance:
One- to four-family residential		7,605		6,348		--		4,902		1
Multifamily		282		230		--		50		--
Nonfarm nonresidential		5,352		4,243		--		1,759		--
Farmland		796		499		--		303		--
Construction and land development		686		490		--		535		6
Commercial		3,293		3,085		--		1,399		--
Consumer		188		183		--		108		--
		18,202		15,078		--		9,056		7
Total impaired loans	$	23,349	$	19,624	$	1,061	$	13,645	$	14
Interest based on original terms									$	1,179
Interest income recognized on a cash basis on impaired loans									$	--

Past Due Financing Receivables [Table Text Block]

December 31, 201 7	30-89 Days Past Due		90 Days or More Past Due		Current		Total
One- to four-family residential	$	4,742	$	3,560	$	382,923	$	391,225
Multifamily residential		--		--		89,087		89,087
Nonfarm nonresidential		174		6,098		550,913		557,185
Farmland		404		88		96,294		96,786
Construction and land development		60		173		157,220		157,453
Commercial		766		1,353		342,968		345,087
Consumer		561		209		35,266		36,036
Total	$	6,707	$	11,481	$	1,654,671	$	1,672,859

December 31, 201 6	30-89 Days Past Due		90 Days or More Past Due		Current		Total
One- to four-family residential	$	4,472	$	2,750	$	381,885	$	389,107
Multifamily residential		119		--		92,341		92,460
Nonfarm nonresidential		1,651		1,317		492,205		495,173
Farmland		131		649		93,238		94,018
Construction and land development		20		522		125,243		125,785
Commercial		413		503		322,180		323,096
Consumer		422		81		35,762		36,265
Total	$	7,228	$	5,822	$	1,542,854	$	1,555,904

December 31, 201 7	30-89 Days Past Due		90 Days or More Past Due		Current		Total
One- to four-family residential	$	778	$	3,326	$	2,957	$	7,061
Nonfarm nonresidential		76		5,954		1,344		7,374
Farmland		223		88		346		657
Construction and land development		11		103		74		188
Commercial		76		1,238		355		1,669
Consumer		7		172		33		212
Total	$	1,171	$	10,881	$	5,109	$	17,161

December 31, 201 6	30-89 Days Past Due		90 Days or More Past Due		Current		Total
One- to four-family residential	$	1,194	$	2,332	$	3,183	$	6,709
Nonfarm nonresidential		94		1,156		3,927		5,177
Farmland		41		650		92		783
Construction and land development		13		450		--		463
Commercial		229		386		3,456		4,071
Consumer		39		78		56		173
Total	$	1,610	$	5,052	$	10,714	$	17,376

Financing Receivable Credit Quality Indicators [Table Text Block]

	December 31, 201 7
	Pass		Special Mention		Substandard		Total
One- to four-family residential	$	379,407	$	150	$	11,668	$	391,225
Multifamily residential		89,087		--		--		89,087
Nonfarm nonresidential		543,427		287		13,471		557,185
Farmland		95,114		--		1,672		96,786
Construction and land development		148,927		--		8,526		157,453
Commercial		314,028		18,040		13,019		345,087
Consumer		35,644		--		392		36,036
Total	$	1,605,634	$	18,477	$	48,748	$	1,672,859

	December 31, 201 6
	Pass		Special Mention		Substandard		Total
One- to four-family residential	$	375,287	$	206	$	13,614	$	389,107
Multifamily residential		92,460		--		--		92,460
Nonfarm nonresidential		473,343		314		21,516		495,173
Farmland		92,131		--		1,887		94,018
Construction and land development		116,269		--		9,516		125,785
Commercial		317,069		--		6,027		323,096
Consumer		35,953		1		311		36,265
Total	$	1,502,512	$	521	$	52,871	$	1,555,904

Troubled Debt Restructurings on Financing Receivables [Table Text Block]

December 31, 201 7	Number of Accruing TDR Loans	Balance		Number of Nonaccrual TDR Loans	Balance		Total Number of TDR Loans	Total Balance
One- to four-family residential	2	$	189	3	$	90	5	$	279
Nonfarm nonresidential	1		623	2		4,321	3		4,944
Construction and land development	1		70	1		--	2		70
Commercial	--		--	1		282	1		282
Consumer	--		--	1		5	1		5
Total	4	$	882	8	$	4,698	12	$	5,580

December 31, 201 6	Number of Accruing TDR Loans	Balance		Number of Nonaccrual TDR Loans	Balance		Total Number of TDR Loans	Total Balance
One- to four-family residential	2	$	197	6	$	315	8	$	512
Nonfarm nonresidential	1		4,244	3		410	4		4,654
Farmland	--		--	1		250	1		250
Construction and land development	1		76	2		215	3		291
Commercial	1		287	--		--	1		287
Consumer	--		--	1		5	1		5
Total	5	$	4,804	13	$	1,195	18	$	5,999

Schedule of Loans Restructured as TDRs in Current Period [Table Text Block]

	Year Ended December 31, 2017
	Number of Loans		Balance Prior to TDR		Balance at December 31, 201 7		Nature of Modification Payment Term (1)
Nonfarm nonresidential		1		642		623		642
Total		1	$	642	$	623	$	642

	Year Ended December 31, 2016
	Number of Loans		Balance Prior to TDR		Balance at December 31, 2016		Nature of Modification Payment Term ( 2 )
One- to four-family residential		1	$	5	$	2	$	5
Nonfarm nonresidential		1		4,244		4,244		4,244
Commercial		2		323		288		323
Total		4	$	4,572	$	4,534	$	4,572

Purchased Credit Impaired [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

	December 31, 201 7		December 31, 201 6		June 13, 2014
One- to four-family residential	$	2,210	$	2,714	$	4,728
Nonfarm nonresidential		1,987		7,576		10,790
Farmland		26		53		95
Construction and land development		1,442		1,432		3,432
Commercial		514		556		1,882
Consumer		41		53		178
Total carrying value of PCI loans	$	6,220	$	12,384	$	21,105
Outstanding principal balance of PCI loans	$	8,529	$	15,468	$	26,942

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table Text Block]

Contractually required principal and interest	$	29,704
Nonaccretable differences		(6,293	)
Cash flows expected to be collected		23,411
Accretable differences		(2,306	)
Day 1 Fair Value	$	21,105

Schedule of Accretable Yield [Table Text Block]

	201 7			2016			2015
Balance at January 1	$	890		$	1,370		$	2,165
Accretable yield acquired		--			--			--
Accretion		(1,259	)		(848	)		(1,062	)
Adjustments to accretable differences due to:
Reclassification from nonaccretable difference		2,207			1,462			317
Changes in expected cash flows that do not affect nonaccretable differences		(695	)		(1,140	)		(60	)
Transfers to real estate owned		11			46			10
Balance at December 31	$	1,154		$	890		$	1,370