Note 5 - Loans Acquired (Tables)

12 Months Ended

Dec. 31, 2016

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

	Loans Acquired At December 31,
(in thousands)	2016		2015

Consumer:
Credit cards	$	--	$	--
Other consumer		49,677		75,606
Total consumer		49,677		75,606
Real estate:
Construction		57,587		77,119
Single family residential		423,176		501,002
Other commercial		690,108		854,068
Total real estate		1,170,871		1,432,189
Commercial:
Commercial		81,837		154,533
Agricultural		3,298		10,573
Total commercial		85,135		165,106

Total loans acquired (1)	$	1,305,683	$	1,672,901

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

(In thousands)	2016		2015

Consumer:
Credit cards	$	373	$	212
Other consumer		1,793		442
Total consumer		2,166		654
Real estate:
Construction		3,411		4,955
Single family residential		12,139		5,453
Other commercial		12,385		4,420
Total real estate		27,935		14,828
Commercial:
Commercial		7,765		1,968
Agricultural		1,238		264
Total commercial		9,003		2,232

Total	$	39,104	$	17,714

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, 2016
Consumer:
Credit cards	$	716	$	275	$	991	$	183,600	$	184,591	$	275
Other consumer		3,786		1,027		4,813		299,159		303,972		11
Total consumer		4,502		1,302		5,804		482,759		488,563		286
Real estate:
Construction		1,420		1,246		2,666		334,093		336,759		--
Single family residential		6,310		5,927		12,237		892,008		904,245		14
Other commercial		4,212		6,722		10,934		1,776,141		1,787,075		--
Total real estate		11,942		13,895		25,837		3,002,242		3,028,079		14
Commercial:
Commercial		2,040		5,296		7,336		632,189		639,525		--
Agricultural		121		1,215		1,336		149,042		150,378		--
Total commercial		2,161		6,511		8,672		781,231		789,903		--
Other		--		--		--		20,662		20,662		--

Total	$	18,605	$	21,708	$	40,313	$	4,286,894	$	4,327,207	$	300

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		201		6,914		7,115		15

Total	$	13,391	$	13,255	$	26,646	$	3,219,808	$	3,246,454	$	1,191

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, 2016
Consumer:
Credit cards	$	183,943	$	--	$	648	$	--	$	--	$	184,591
Other consumer		301,632		26		2,314		--		--		303,972
Total consumer		485,575		26		2,962		--		--		488,563
Real estate:
Construction		330,080		98		6,565		16		--		336,759
Single family residential		875,603		4,024		24,460		158		--		904,245
Other commercial		1,738,207		6,874		41,994		--		--		1,787,075
Total real estate		2,943,890		10,996		73,019		174		--		3,028,079
Commercial:
Commercial		616,805		558		22,162		--		--		639,525
Agricultural		148,218		104		2,033		--		23		150,378
Total commercial		765,023		662		24,195		--		23		789,903
Other		20,662		--		--		--		--		20,662
Loans acquired		1,217,886		22,181		64,075		1,541		--		1,305,683

Total	$	5,433,036	$	33,865	$	164,251	$	1,715	$	23	$	5,632,890

(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

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	$	348,756		$	1,605
Non-accretable difference (expected losses and foregone interest)		--			(848	)
Cash flows expected to be collected at acquisition		348,756			757
Accretable yield		(8,663	)		--
Basis in acquired loans at acquisition	$	340,093		$	757

(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

Tabular Temporal Display Of Adjustments Related To Purchased Covered Impaired Loans [Table Text Block]

(In thousands)	2016		2015

Impact on net interest income	$	3,072	$	19,995
Non-interest income (1)		--		(7,719	)
Net impact to pre-tax income		3,072		12,276
Net impact, net of taxes	$	1,867	$	7,461

Tabular Temporal Display of Accretable Yield [Table Text Block]

(in thousands)	Accretable Yield			Carrying Amount of Loans

Balance, January 1, 2014	$	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

Additions		19			757
Accretable yield adjustments		5,122			--
Accretion		(4,440	)		4,440
Payments and other reductions, net					(10,864	)
Balance, December 31, 2016	$	1,655		$	17,802

Summary Of The Changes In The FDIC True-Up Provision [Table Text Block]

(in thousands)	FDIC True-up Provision

Balance, January 1, 2014	$	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]

Notes Tables

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

(In thousands)	December 31, 2016		December 31, 2015

Consumer:
Other consumer	$	456	$	71
Total consumer		456		71
Real estate:
Construction		7,961		783
Single family residential		13,366		7,795
Other commercial		22,045		6,435
Total real estate		43,372		15,013
Commercial:
Commercial		2,806		3,859
Agricultural		198		8
Total commercial		3,004		3,867
Total	$	46,832	$	18,951

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, 2016
Consumer:
Other consumer	$	571	$	189	$	760	$	48,917	$	49,677	$	--
Total consumer		571		189		760		48,917		49,677		--
Real estate:
Construction		132		7,332		7,464		50,123		57,587		--
Single family residential		8,358		4,857		13,215		409,961		423,176		11
Other commercial		2,836		10,741		13,577		676,531		690,108		--
Total real estate		11,326		22,930		34,256		1,136,615		1,170,871		11
Commercial:
Commercial		723		2,153		2,876		78,961		81,837		--
Agricultural		48		--		48		3,250		3,298		--
Total commercial		771		2,153		2,924		82,211		85,135		--

Total	$	12,668	$	25,272	$	37,940	$	1,267,743	$	1,305,683	$	11

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

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, 2016
Consumer:
Other consumer	$	48,992	$	14	$	671	$	--	$	--	$	49,677
Total consumer		48,992		14		671		--		--		49,677
Real estate:
Construction		50,704		88		6,795		--		--		57,587
Single family residential		400,553		2,696		18,392		1,535		--		423,176
Other commercial		641,018		17,384		31,706		--		--		690,108
Total real estate		1,092,275		20,168		56,893		1,535		--		1,170,871
Commercial:
Commercial		73,609		1,965		6,257		6		--		81,837
Agricultural		3,010		34		254		--		--		3,298
Total commercial		76,619		1,999		6,511		6		--		85,135

Total	$	1,217,886	$	22,181	$	64,075	$	1,541	$	--	$	1,305,683

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