Note 6 - Allowances for Loan and Lease Losses and Real Estate Losses (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Allowance for Credit Losses on Financing Receivables [Table Text Block]

	January 1, 201 7		Provision (Reversals)			Charge-offs			Recoveries		December 31, 201 7
One- to four-family residential	$	3,896	$	471		$	(148	)	$	25	$	4,244
Multifamily residential		962		110			(45	)		--		1,027
Nonfarm nonresidential		3,210		1,216			--			--		4,426
Farmland		863		398			(203	)		48		1,106
Construction and land development		1,791		502			--			22		2,315
Commercial		3,909		1,236			(289	)		25		4,881
Consumer		360		722			(630	)		104		556
Purchased credit impaired		593		(157	)		(85	)		86		437
Total	$	15,584	$	4,498		$	(1,400	)	$	310	$	18,992

	January 1, 2016		Provision (Reversals)			Charge-offs			Recoveries		December 31, 2016
One- to four-family residential	$	3,870	$	443		$	(455	)	$	38	$	3,896
Multifamily residential		665		298			(1	)		--		962
Nonfarm nonresidential		3,599		(400	)		--			11		3,210
Farmland		714		149			--			--		863
Construction and land development		1,456		273			--			62		1,791
Commercial		2,565		1,416			(83	)		11		3,909
Consumer		166		558			(447	)		83		360
Purchased credit impaired		1,515		(221	)		(801	)		100		593
Total	$	14,550	$	2,516		$	(1,787	)	$	305	$	15,584

	January 1, 2015		Provision (Reversals)			Charge-offs			Recoveries		December 31, 2015
One- to four-family residential	$	4,488	$	(77	)	$	(661	)	$	120	$	3,870
Multifamily residential		791		(126	)		--			--		665
Nonfarm nonresidential		4,243		(688	)		(17	)		61		3,599
Farmland		342		372			--			--		714
Construction and land development		1,023		279			(10	)		164		1,456
Commercial		2,315		259			(32	)		23		2,565
Consumer		101		301			(354	)		118		166
Purchased credit impaired		357		1,477			(319	)		--		1,515
Total	$	13,660	$	1,797		$	(1,393	)	$	486	$	14,550

Loans and Allowance Disaggregated on the Basis of Impairment Methodology [Table Text Block]

	Allowance for Loan and Lease Losses						Loan Balances
December 31, 201 7	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Purchased Credit Impaired		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Purchased Credit Impaired
One- to four-family residential	$	64	$	4,180	$	220	$	7,250	$	381,765	$	2,210
Multifamily residential		--		1,027		--		--		89,087		--
Nonfarm nonresidential		9		4,417		11		7,997		547,201		1,987
Farmland		--		1,106		--		657		96,103		26
Construction and land development		--		2,315		--		258		155,753		1,442
Commercial		431		4,450		206		1,669		342,904		514
Consumer		5		551		--		212		35,783		41
Total	$	509	$	18,046	$	437	$	18,043	$	1,648,596	$	6,220

	Allowance for Loan and Lease Losses						Loan Balances
December 31, 2016	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Purchased Credit Impaired		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Purchased Credit Impaired
One- to four-family residential	$	74	$	3,822	$	277	$	6,906	$	379,487	$	2,714
Multifamily residential		--		962		--		--		92,460		--
Nonfarm nonresidential		--		3,210		89		9,421		478,176		7,576
Farmland		--		863		--		783		93,182		53
Construction and land development		--		1,791		--		539		123,814		1,432
Commercial		488		3,421		227		4,358		318,182		556
Consumer		5		355		--		173		36,039		53
Total	$	567	$	14,424	$	593	$	22,180	$	1,521,340	$	12,384

Schedule of Credit Losses Related to Real Estate Owned Currentand Noncurrent [Table Text Block]

	201 7			2016			2015
Balance—beginning of year	$	459		$	4,268		$	6,575
Provisions for estimated losses		137			311			47
Losses charged off		(455	)		(4,120	)		(2,354	)
Balance—end of year	$	141		$	459		$	4,268