Note 5 - Loans Acquired (Tables)

3 Months Ended

Mar. 31, 2015

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

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

	Loans Acquired
(in thousands)	March 31, 2015		December 31, 2014
Consumer:
Other consumer	$	131,168	$	8,514
Total consumer		131,168		8,514
Real estate:
Construction		158,101		46,911
Single family residential		723,658		175,970
Other commercial		1,162,870		390,877
Total real estate		2,044,629		613,758
Commercial:
Commercial		314,723		56,134
Agricultural		23,400		4,507
Total commercial		338,123		60,641
Other		6.988		60,641
Total loans acquired (1)	$	2.520.908	$	682,913

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

(In thousands)	March 31, 2015		December 31, 2014
Consumer:
Credit cards	$	290	$	197
Other consumer		401		405
Total consumer		691		602
Real estate:
Construction		5,341		4,863
Single family residential		4,600		4,010
Other commercial		2,755		1,522
Total real estate		12,696		10,395
Commercial:
Commercial		950		585
Agricultural		174		456
Total commercial		1,124		1,041
Total	$	14,511	$	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
March 31, 2015
Consumer:
Credit cards	$	538	$	439	$	977	$	170,436	$	171,413	$	--
Other consumer		1,205		388		1,593		105,893		107,486		116
Total consumer		1,743		827		2,570		276,329		278,899		116
Real estate:
Construction		1,798		828		2,626		176,303		178,929		--
Single family residential		3,023		2,568		5,591		462,080		467,671		3
Other commercial		3,453		1,406		4,859		750,842		755,701		--
Total real estate		8,274		4,802		13,076		1,389,225		1,402,301		3
Commercial:
Commercial		645		128		773		324,042		324,815		13
Agricultural		435		72		507		104,721		105,228		3
Total commercial		1,080		200		1,280		428,763		430,043		16
Other		--		--		--		4,137		4,137		--
Total	$	11,097	$	5,829	$	16,926	$	2,098,454	$	2,115,380	$	135
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
March 31, 2015
Consumer:
Credit cards	$	170,974	$	--	$	439	$	--	$	--	$	171,413
Other consumer		106,683		5		758		40		--		107,486
Total consumer		277,657		5		1,197		40		--		278,899
Real estate:
Construction		174,956		38		3,935		--		--		178,929
Single family residential		457,275		1,941		8,377		78		--		467,671
Other commercial		736,764		7,714		11,223		--		--		755,701
Total real estate		1,368,995		9,693		23,535		78		--		1,402,301
Commercial:
Commercial		301,561		1,667		21,579		8		--		324,815
Agricultural		105,034		20		174		--		--		105,228
Total commercial		406,595		1,687		21,753		8		--		430,043
Other		4,137		--		--		--		--		4,137
Loans acquired, not covered by FDIC loss share		2,332,979		27,043		56,231		2,159		28		2,418,440
Loans acquired, covered by FDIC loss share		102,468		--		--		--		--		102,468
Total	$	4,492,831	$	38,428	$	102,716	$	2,285	$	28	$	4,636,288

(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

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

	Three Months Ended March 31,
(In thousands)	2015			2014
Impact on net interest income	$	6,102		$	7,391
Non-interest income		(2,745	)		(7,441	)
Net impact to pre-tax income		3,357			(50	)
Net impact, net of taxes	$	2,040		$	(30	)

Tabular Temporal Display of Accretable Yield [Table Text Block]

	Three Months Ended March 31, 2015						Three Months Ended March 31, 2014
(In thousands)	Accretable Yield			Carrying Amount of Loans			Accretable Yield			Carrying Amount of Loans
Beginning balance	$	20,635		$	169,098		$	41,385		$	234,785
Additions		(116	)		17,750			--			--
Accretable yield adjustments		3,074			--			1,483			--
Accretion		(6,367	)		6,367			(9,326	)		9,326
Payments and other reductions, net		--			(15,524	)		--			(25,579	)
Balance, ending	$	17,226		$	177,691		$	33,542		$	218,532

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

	Three Months Ended March 31,
(In thousands)	2015		2014
Beginning balance	$	8,308	$	6,768
Amortization expense		40		43
Adjustments related to changes in expected losses		254		442
Balance, ending	$	8,602	$	7,253

Acquired Loans [Member]

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

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

(In thousands)	March 31, 2015		December 31, 2014
Consumer:
Other consumer	$	22	$	29
Total consumer		22		29
Real estate:
Construction		336		105
Single family residential		1,452		2,018
Other commercial		2,046		271
Total real estate		3,834		2,394
Commercial:
Commercial		591		291
Agricultural		126		3
Total commercial		717		294
Total	$	4,573	$	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
March 31, 2015
Consumer:
Other consumer	$	296	$	91	$	387	$	130,779	$	131,166	$	11
Total consumer		296		91		387		130,779		131,166		11
Real estate:
Construction		604		111		715		149,015		149,730		--
Single family residential		5,179		4,522		9,701		679,850		689,551		1,552
Other commercial		5,409		8,469		13,878		1,097,724		1,111,601		--
Total real estate		11,192		13,102		24,294		1,926,588		1,950,882		1,552
Commercial:
Commercial		2,509		1,221		3,790		303,172		306,902		186
Agricultural		1,089		--		1,089		21,447		22,536		--
Total commercial		3,598		1,221		4,819		324,619		329,438		186
Other		--		--		--		6,954		6,954		--
Total	$	15,086	$	14,414	$	29,500	$	2,388,940	$	2,418,440	$	1,749
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		51,360		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
March 31, 2015
Consumer:
Other consumer	$	130,750	$	--	$	416	$	--	$	--	$	131,166
Total consumer		130,750		--		416		--		--		131,166
Real estate:
Construction		139,843		2,602		7,285		--		--		149,730
Single family residential		666,400		10,289		10,720		2,114		28		689,551
Other commercial		1,074,127		10,812		26,662		--		--		1,111,60
Total real estate		1,880,370		23,703		44,667		2,114		28		1,950,882
Commercial:
Commercial		294,464		3,135		9,258		45		--		306,902
Agricultural		20,489		157		1,890		--		--		22,536
Total commercial		314,953		3,292		11,148		45		--		329,438
Other		6,906		48		--		--		--		6,954
Total	$	2,332,979	$	27,043	$	56,231	$	2,159	$	28	$	2,418,440
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