Note 5 - Loans Acquired (Tables)

12 Months Ended

Dec. 31, 2015

Note 5 - Loans Acquired (Tables) [Line Items]

Carrying Value Of All Acquired Impaired Loans [Table Text Block]

	Loans Acquired At December 31,
(in thousands)	2015		2014
Consumer:
Credit cards	$	--	$	--
Other consumer		75,606		8,514
Total consumer		75,606		8,514
Real estate:
Construction		77,119		46,911
Single family residential		501,002		175,970
Other commercial		854,068		390,877
Total real estate		1,432,189		613,758
Commercial:
Commercial		154,533		56,134
Agricultural		10,573		4,507
Total commercial		165,106		60,641
Total loans acquired (1)	$	1,672,901	$	682,913

Schedule of Financing Receivables, Non Accrual Status [Table Text Block]

(In thousands)	2015		2014
Consumer:
Credit cards	$	212	$	197
Other consumer		442		405
Total consumer		654		602
Real estate:
Construction		4,955		4,863
Single family residential		5,453		4,010
Other commercial		4,420		1,522
Total real estate		14,828		10,395
Commercial:
Commercial		1,968		585
Agricultural		264		456
Total commercial		2,232		1,041
Total	$	17,714	$	12,038

Past Due Financing Receivables [Table Text Block]

(In thousands)	Gross 30-89 Days Past Due		90 Days or More Past Due		Total Past Due		Current		Total Loans		90 Days Past Due & Accruing
December 31, 2015
Consumer:
Credit cards	$	639	$	479	$	1,118	$	176,170	$	177,288	$	267
Other consumer		1,879		648		2,527		205,853		208,380		374
Total consumer		2,518		1,127		3,645		382,023		385,668		641
Real estate:
Construction		1,328		4,511		5,839		273,901		279,740		--
Single family residential		4,856		3,342		8,198		687,982		696,180		364
Other commercial		869		3,302		4,171		1,224,901		1,229,072		25
Total real estate		7,053		11,155		18,208		2,186,784		2,204,992		389
Commercial:
Commercial		3,427		637		4,064		496,052		500,116		90
Agricultural		285		243		528		148,035		148,563		56
Total commercial		3,712		880		4,592		644,087		648,679		146
Other		108		93		--		7,115		7,115		15
Total	$	13,391	$	13,255	$	26,445	$	3,220,009	$	3,246,454	$	1,191
December 31, 2014
Consumer:
Credit cards	$	687	$	457	$	1,144	$	184,236	$	185,380	$	--
Other consumer		1,349		447		1,796		101,606		103,402		223
Total consumer		2,036		904		2,940		285,842		288,782		223
Real estate:
Construction		760		570		1,330		180,638		181,968		177
Single family residential		4,913		2,213		7,126		448,437		455,563		248
Other commercial		1,987		847		2,834		711,963		714,797		--
Total real estate		7,660		3,630		11,290		1,341,038		1,352,328		425
Commercial:
Commercial		381		354		735		291,085		291,820		--
Agricultural		119		109		228		115,430		115,658		40
Total commercial		500		463		963		406,515		407,478		40
Other		--		--		--		5,133		5,133		--
Total	$	10,196	$	4,997	$	15,193	$	2,038,528	$	2,053,721	$	688

Financing Receivable Credit Quality Indicators [Table Text Block]

(In thousands)	Risk Rate 1-4		Risk Rate 5		Risk Rate 6		Risk Rate 7		Risk Rate 8		Total
December 31, 2015
Consumer:
Credit cards	$	176,809	$	--	$	479	$	--	$	--	$	177,288
Other consumer		207,069		--		1,262		49		--		208,380
Total consumer		383,878		--		1,741		49		--		385,668
Real estate:
Construction		270,386		319		9,019		16		--		279,740
Single family residential		679,484		2,701		13,824		171		--		696,180
Other commercial		1,178,817		5,404		44,261		590		--		1,229,072
Total real estate		2,128,687		8,424		67,104		777		--		2,204,992
Commercial:
Commercial		487,563		2,760		9,787		6		--		500,116
Agricultural		147,788		--		775		--		--		148,563
Total commercial		635,351		2,760		10,562		6		--		648,679
Other		7,022		--		93		--		--		7,115
Loans acquired, not covered by FDIC loss share		1,590,384		9,150		69,219		3,689		459		1,672,901
Total	$	4,745,322	$	20,334	$	148,719	$	4,521	$	459	$	4,919,355

(In thousands)	Risk Rate 1-4		Risk Rate 5		Risk Rate 6		Risk Rate 7		Risk Rate 8		Total
December 31, 2014
Consumer:
Credit cards	$	184,923	$	--	$	457	$	--	$	--	$	185,380
Other consumer		102,515		5		839		43		--		103,402
Total consumer		287,438		5		1,296		43		--		288,782
Real estate:
Construction		176,825		84		5,059		--		--		181,968
Single family residential		446,040		1,776		7,665		82		--		455,563
Other commercial		698,329		7,074		9,394		--		--		714,797
Total real estate		1,321,194		8,934		22,118		82		--		1,352,328
Commercial:
Commercial		271,017		1,544		19,248		11		--		291,820
Agricultural		115,106		20		532		--		--		115,658
Total commercial		386,123		1,564		19,780		11		--		407,478
Other		5,133		--		--		--		--		5,133
Loans acquired, not covered by FDIC loss share		535,728		1,435		36,958		1,854		5		575,980
Loans acquired, covered by FDIC loss share		106,933		--		--		--		--		106,933
Total	$	2,642,549	$	11,938	$	80,152	$	1,990	$	5	$	2,736,634

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

(in thousands)	Not Impaired			Impaired
Contractually required principal and interest at acquisition	$	774,777		$	15,716
Non-accretable difference (expected losses and foregone interest)		--			(4,978	)
Cash flows expected to be collected at acquisition		774,777			10,738
Accretable yield		(4,869	)		12
Basis in acquired loans at acquisition	$	769,908		$	10,750

(in thousands)	Not Impaired			Impaired
Contractually required principal and interest at acquisition	$	1,153,255		$	10,143
Non-accretable difference (expected losses and foregone interest)		--			(3,247	)
Cash flows expected to be collected at acquisition		1,153,255			6,896
Accretable yield		(23,712	)		104
Basis in acquired loans at acquisition	$	1,129,543		$	7,000

(in thousands)	Not Impaired			Impaired
Contractually required principal and interest at acquisition	$	316,103		$	10,726
Non-accretable difference (expected losses and foregone interest)		--			(7,023	)
Cash flows expected to be collected at acquisition		316,103			3,703
Accretable yield		(7,949	)		(177	)
Basis in acquired loans at acquisition	$	308,154		$	3,526

(in thousands)	Not Impaired			Impaired
Contractually required principal and interest at acquisition	$	442,009		$	52,830
Non-accretable difference (expected losses and foregone interest)		--			(21,962	)
Cash flows expected to be collected at acquisition		442,009			30,868
Accretable yield		(12,989	)		(2,516	)
Basis in acquired loans at acquisition	$	429,020		$	28,352

Tabular Temporal Display of Adjustments Related to Purchased Covered Impaired Loans [Table Text Block]

(In thousands)	2015			2014
Impact on net interest income	$	19,995		$	26,400
Non-interest income (1)		(7,719	)		(20,540	)
Net impact to pre-tax income		12,276			5,860
Net impact, net of taxes	$	7,461		$	3,561

Tabular Temporal Display of Accretable Yield [Table Text Block]

(in thousands)	Accretable Yield			Carrying Amount of Loans
Balance, January 1, 2013	$	58,066		$	293,606
Additions		2,516			28,352
Accretable yield adjustments		17,380			--
Accretion		(36,577	)		36,577
Payments and other reductions, net		--			(123,750	)
Balance, December 31, 2013		41,385			234,785
Additions		177			3,526
Accretable yield adjustments		9,104			--
Accretion		(30,031	)		30,031
Payments and other reductions, net		--			(99,244	)
Balance, December 31, 2014		20,635			169,098
Additions		(116	)		17,750
Accretable yield adjustments		6,593			--
Accretion		(21,038	)		21,038
Payments and other reductions, net		(5,120	)		(184,417	)
Balance, December 31, 2015	$	954		$	23,469

Summary of the Changes in the FDIC True-Up Provision [Table Text Block]

(in thousands)	FDIC True-up Provision
Balance, January 1, 2013	$	4,854
Amortization expense		160
Adjustments related to changes in expected losses		1,754
Balance, December 31, 2013		6,768
Amortization expense		168
Adjustments related to changes in expected losses		1,372
Balance, December 31, 2014		8,308
Amortization expense		107
Adjustments related to changes in expected losses		720
Loss share termination agreement		(9,135	)
Balance, December 31, 2015	$	--

Acquired Loans [Member]

Note 5 - Loans Acquired (Tables) [Line Items]

Schedule of Financing Receivables, Non Accrual Status [Table Text Block]

(In thousands)	December 31, 2015		December 31, 2014
Consumer:
Other consumer	$	71	$	29
Total consumer		71		29
Real estate:
Construction		783		105
Single family residential		7,795		2,018
Other commercial		6,435		271
Total real estate		15,013		2,394
Commercial:
Commercial		3,859		291
Agricultural		8		3
Total commercial		3,867		294
Total	$	18,951	$	2,717

Past Due Financing Receivables [Table Text Block]

(In thousands)	Gross 30-89 Days Past Due		90 Days or More Past Due		Total Past Due		Current		Total Loans		90 Days Past Due & Accruing
December 31, 2015
Consumer:
Other consumer	$	826	$	122	$	948	$	74,658	$	75,606	$	57
Total consumer		826		122		948		74,658		75,606		57
Real estate:
Construction		736		9,449		10,185		66,934		77,119		410
Single family residential		9,493		4,850		14,343		486,659		501,002		1,246
Other commercial		12,910		7,810		20,720		833,348		854,068		203
Total real estate		23,139		22,109		45,248		1,386,941		1,432,189		1,859
Commercial:
Commercial		1,999		2,334		4,333		150,200		154,533		912
Agricultural		114		396		510		10,063		10,573		396
Total commercial		2,113		2,730		4,843		160,263		165,106		1,308
Total	$	26,078	$	24,961	$	51,039	$	1,621,862	$	1,672,901	$	3,224
December 31, 2014
Consumer:
Other consumer	$	70	$	34	$	104	$	8,407	$	8,511	$	5
Total consumer		70		34		104		8,407		8,511		5
Real estate:
Construction		292		105		397		36,450		36,847		--
Single family residential		3,804		2,906		6,710		138,383		145,093		594
Other commercial		1,415		5,994		7,409		326,759		334,168		--
Total real estate		5,511		9,005		14,516		501,592		516,108		594
Commercial:
Commercial		110		421		531		46,730		47,261		--
Agricultural		--		--		--		4,100		4,100		--
Total commercial		110		421		531		50,830		51,361		--
Total	$	5,691	$	9,460	$	15,151	$	560,829	$	575,980	$	599

Financing Receivable Credit Quality Indicators [Table Text Block]

(In thousands)	Risk Rate 1-4		Risk Rate 5		Risk Rate 6		Risk Rate 7		Risk Rate 8		Total
December 31, 2015
Consumer:
Other consumer	$	75,330	$	--	$	276	$	--	$	--	$	75,606
Total consumer		75,330		--		276		--		--		75,606
Real estate:
Construction		68,775		--		8,344		--		--		77,119
Single family residential		479,193		1,490		18,640		1,675		4		501,002
Other commercial		812,537		7,328		33,748		--		455		854,068
Total real estate		1,360,505		8,818		60,732		1,675		459		1,432,189
Commercial:
Commercial		144,239		332		7,948		2,014		--		154,533
Agricultural		10,310		--		263		--		--		10,573
Total commercial		154,549		332		8,211		2,014		--		165,106
Total	$	1,590,384	$	9,150	$	69,219	$	3,689	$	459	$	1,672,901
December 31, 2014
Consumer:
Other consumer	$	8,479	$	--	$	32	$	--	$	--	$	8,511
Total consumer		8,479		--		32		--		--		8,511
Real estate:
Construction		27,430		78		9,339		--		--		36,847
Single family residential		135,240		683		7,311		1,854		5		145,093
Other commercial		317,965		605		15,598		--		--		334,168
Total real estate		480,635		1,366		32,248		1,854		5		516,108
Commercial:
Commercial		43,585		69		3,607		--		--		47,261
Agricultural		3,030		-		1,070		--		--		4,100
Total commercial		46,615		69		4,677		--		--		51,361
Total	$	535,729	$	1,435	$	36,957	$	1,854	$	5	$	575,980