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

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	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

	January 1, 2014		Provision (Reversals)			Charge-offs			Recoveries		December 31, 2014
One- to four-family residential	$	4,549	$	(35	)	$	(116	)	$	90	$	4,488
Multifamily residential		1,001		(210	)		--			--		791
Nonfarm nonresidential		4,271		72			(114	)		14		4,243
Farmland		158		184			--			--		342
Construction and land development		1,383		8			(444	)		76		1,023
Commercial		1,268		1,072			(29	)		4		2,315
Consumer		81		140			(186	)		66		101
Purchased credit impaired		--		357			--			--		357
Total	$	12,711	$	1,588		$	(889	)	$	250	$	13,660

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

	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

	Allowance for Loan and Lease Losses						Loan Balances
December 31, 2015	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	$	83	$	3,787	$	381	$	6,660	$	391,187	$	3,189
Multifamily residential		--		665		--		230		73,996		--
Nonfarm nonresidential		522		3,077		552		6,638		471,160		9,886
Farmland		112		602		--		972		93,193		70
Construction and land development		89		1,367		21		701		113,187		2,127
Commercial		250		2,315		561		4,235		241,057		1,012
Consumer		5		161		--		188		38,343		63
Total	$	1,061	$	11,974	$	1,515	$	19,624	$	1,422,123	$	16,347

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

	2016			2015			2014
Balance—beginning of year	$	4,268		$	6,575		$	8,794
Provisions for estimated losses		311			47			1,513
Losses charged off		(4,120	)		(2,354	)		(3,732	)
Balance—end of year	$	459		$	4,268		$	6,575