Loans and Allowance for Loan Losses - Credit risk profile by risk grade of non acquired loans - (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Loans and Allowance for Loan Losses
Other Real Estate, Non Covered	$ 20,007	$ 18,316	$ 4,200	$ 21,731	$ 24,803
Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	5,564,307	5,241,041		4,472,668
Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	5,432,278	5,112,628		4,328,423
Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	85,425	89,489		96,974
Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	46,604	38,924		47,271
Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	1,715,642			999,238
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,715,642	836,699		999,238
Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,680,567	812,320		972,558
Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	24,404	13,355		6,523
Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	10,671	11,024		20,157
Acquired credit impaired loans
Loans and Allowance for Loan Losses
Total loans	631,896			696,314
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	631,896	605,941		696,314
Acquired credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	368,200	356,544		394,096
Acquired credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	116,837	115,726		133,308
Acquired credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	146,859	133,671		168,823
Acquired credit impaired loans | Doubtful
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance				87
Acquired credit impaired loans | Other commercial non-owner occupied real estate
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance		210,204
Acquired credit impaired loans | Other commercial non-owner occupied real estate | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance		162,870
Acquired credit impaired loans | Other commercial non-owner occupied real estate | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance		26,238
Acquired credit impaired loans | Other commercial non-owner occupied real estate | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance		21,096
Residential real estate | Acquired credit impaired loans
Loans and Allowance for Loan Losses
Total loans	266,484			298,537
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	266,484	258,100		298,537
Residential real estate | Acquired credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	142,847	138,343		157,534
Residential real estate | Acquired credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	53,539	52,546		60,922
Residential real estate | Acquired credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	70,098	67,211		80,081
Commercial non-owner occupied real estate | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	1,450,542	1,295,179		972,834
Commercial non-owner occupied real estate | Non-acquired loans | Construction and land development
Loans and Allowance for Loan Losses
Total loans	646,544	580,464		447,197
Commercial non-owner occupied real estate | Non-acquired loans | Construction and land development | Pass
Loans and Allowance for Loan Losses
Total loans	633,953	567,398		430,533
Commercial non-owner occupied real estate | Non-acquired loans | Construction and land development | Special mention
Loans and Allowance for Loan Losses
Total loans	8,868	8,421		10,496
Commercial non-owner occupied real estate | Non-acquired loans | Construction and land development | Substandard
Loans and Allowance for Loan Losses
Total loans	3,723	4,645		6,168
Commercial non-owner occupied real estate | Non-acquired loans | Other commercial non-owner occupied real estate
Loans and Allowance for Loan Losses
Total loans	803,998	714,715		525,637
Commercial non-owner occupied real estate | Non-acquired loans | Other commercial non-owner occupied real estate | Pass
Loans and Allowance for Loan Losses
Total loans	790,687	701,150		507,432
Commercial non-owner occupied real estate | Non-acquired loans | Other commercial non-owner occupied real estate | Special mention
Loans and Allowance for Loan Losses
Total loans	11,233	11,434		16,013
Commercial non-owner occupied real estate | Non-acquired loans | Other commercial non-owner occupied real estate | Substandard
Loans and Allowance for Loan Losses
Total loans	2,078	2,131		2,192
Commercial non-owner occupied real estate | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	217,850			36,530
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	359,747	44,718		49,554
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Construction and land development
Loans and Allowance for Loan Losses
Total loans	141,897			13,024
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	141,897	10,090		13,024
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Construction and land development | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	139,748	8,997		11,954
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Construction and land development | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,316	253		208
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Construction and land development | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	833	840		862
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Other commercial non-owner occupied real estate
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	217,850	34,628		36,530
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Other commercial non-owner occupied real estate | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	213,827	28,368		30,212
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Other commercial non-owner occupied real estate | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	3,937	6,171		381
Commercial non-owner occupied real estate | Acquired non-credit impaired loans | Other commercial non-owner occupied real estate | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	86	89		5,937
Commercial non-owner occupied real estate | Acquired credit impaired loans | Construction and land development
Loans and Allowance for Loan Losses
Total loans	57,343			51,379
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	57,343	44,373		51,379
Commercial non-owner occupied real estate | Acquired credit impaired loans | Construction and land development | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	28,157	21,150		24,856
Commercial non-owner occupied real estate | Acquired credit impaired loans | Construction and land development | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	15,117	12,643		13,856
Commercial non-owner occupied real estate | Acquired credit impaired loans | Construction and land development | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	14,069	10,580		12,580
Commercial non-owner occupied real estate | Acquired credit impaired loans | Construction and land development | Doubtful
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance				87
Commercial non-owner occupied real estate | Acquired credit impaired loans | Other commercial non-owner occupied real estate
Loans and Allowance for Loan Losses
Total loans	214,562			237,393
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	214,562	210,204		237,393
Commercial non-owner occupied real estate | Acquired credit impaired loans | Other commercial non-owner occupied real estate | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	162,349			169,991
Commercial non-owner occupied real estate | Acquired credit impaired loans | Other commercial non-owner occupied real estate | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	24,412			32,536
Commercial non-owner occupied real estate | Acquired credit impaired loans | Other commercial non-owner occupied real estate | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	27,801			34,866
Commercial owner occupied real estate loan | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	1,200,004	1,177,745		1,060,513
Commercial owner occupied real estate loan | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	1,167,531	1,149,417		1,022,325
Commercial owner occupied real estate loan | Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	20,277	22,133		27,310
Commercial owner occupied real estate loan | Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	12,196	6,195		10,878
Commercial owner occupied real estate loan | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	238,612			37,356
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	238,612	27,195		37,356
Commercial owner occupied real estate loan | Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	233,397	26,920		36,817
Commercial owner occupied real estate loan | Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	5,057			320
Commercial owner occupied real estate loan | Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	158	275		219
Consumer real estate | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	1,649,456	1,580,839		1,386,516
Consumer real estate | Non-acquired loans | Home equity loans
Loans and Allowance for Loan Losses
Total loans	396,806	383,218		325,962
Consumer real estate | Non-acquired loans | Home equity loans | Pass
Loans and Allowance for Loan Losses
Total loans	382,387	368,655		311,541
Consumer real estate | Non-acquired loans | Home equity loans | Special mention
Loans and Allowance for Loan Losses
Total loans	7,597	8,145		7,908
Consumer real estate | Non-acquired loans | Home equity loans | Substandard
Loans and Allowance for Loan Losses
Total loans	6,822	6,418		6,513
Consumer real estate | Non-acquired loans | Consumer
Loans and Allowance for Loan Losses
Total loans	2,005,371	1,918,481		1,710,577
Consumer real estate | Non-acquired loans | Consumer | Pass
Loans and Allowance for Loan Losses
Total loans	1,962,039	1,872,481		1,662,739
Consumer real estate | Non-acquired loans | Consumer | Special mention
Loans and Allowance for Loan Losses
Total loans	22,125	23,896		26,141
Consumer real estate | Non-acquired loans | Consumer | Substandard
Loans and Allowance for Loan Losses
Total loans	21,207	22,104		21,697
Consumer real estate | Non-acquired loans | Consumer Owner Occupied Loans
Loans and Allowance for Loan Losses
Total loans	1,252,650	1,197,621		1,060,554
Consumer real estate | Non-acquired loans | Consumer Owner Occupied Loans | Pass
Loans and Allowance for Loan Losses
Total loans	1,225,556	1,167,768		1,028,864
Consumer real estate | Non-acquired loans | Consumer Owner Occupied Loans | Special mention
Loans and Allowance for Loan Losses
Total loans	13,903	15,283		17,489
Consumer real estate | Non-acquired loans | Consumer Owner Occupied Loans | Substandard
Loans and Allowance for Loan Losses
Total loans	13,191	14,570		14,201
Consumer real estate | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	736,989	569,149		678,860
Consumer real estate | Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	871,525	696,199		825,434
Consumer real estate | Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	8,566	6,541		5,037
Consumer real estate | Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	8,839	9,063		11,625
Consumer real estate | Acquired non-credit impaired loans | Home equity loans
Loans and Allowance for Loan Losses
Total loans	186,411			184,388
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	186,411	160,879		184,388
Consumer real estate | Acquired non-credit impaired loans | Home equity loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	176,678	151,752		173,764
Consumer real estate | Acquired non-credit impaired loans | Home equity loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	4,700	4,113		4,010
Consumer real estate | Acquired non-credit impaired loans | Home equity loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	5,033	5,014		6,614
Consumer real estate | Acquired non-credit impaired loans | Consumer
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	151,941	142,654		163,236
Consumer real estate | Acquired non-credit impaired loans | Consumer | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	148,798	139,686		160,247
Consumer real estate | Acquired non-credit impaired loans | Consumer | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,243	1,102		609
Consumer real estate | Acquired non-credit impaired loans | Consumer | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,900	1,866		2,380
Consumer real estate | Acquired non-credit impaired loans | Other Consumer
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	888,930	711,803		842,096
Consumer real estate | Acquired non-credit impaired loans | Consumer Owner Occupied Loans
Loans and Allowance for Loan Losses
Total loans	550,578			494,472
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	550,578	408,270		494,472
Consumer real estate | Acquired non-credit impaired loans | Consumer Owner Occupied Loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	546,049	404,761		491,423
Consumer real estate | Acquired non-credit impaired loans | Consumer Owner Occupied Loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	2,623	1,326		418
Consumer real estate | Acquired non-credit impaired loans | Consumer Owner Occupied Loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,906	2,183		2,631
Consumer real estate | Acquired credit impaired loans
Loans and Allowance for Loan Losses
Total loans	58,688			67,612
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	58,688	59,300		67,612
Commercial and industrial | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	725,974	671,398		553,527
Commercial and industrial | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	703,747	655,157		545,628
Commercial and industrial | Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	16,746	14,325		6,285
Commercial and industrial | Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	5,481	1,916		1,614
Commercial and industrial | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	136,309			21,109
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	136,309	13,641		21,109
Commercial and industrial | Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	132,474	13,475		20,203
Commercial and industrial | Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	3,787	117		151
Commercial and industrial | Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	48	49		755
Commercial and industrial | Acquired credit impaired loans
Loans and Allowance for Loan Losses
Total loans	26,225			28,948
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	26,225	25,347		28,948
Commercial and industrial | Acquired credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	16,869	17,371		20,422
Commercial and industrial | Acquired credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	4,645	4,614		2,561
Commercial and industrial | Acquired credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	4,711	3,362		5,965
Other income producing property | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	182,416	178,238		175,217
Other income producing property | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	174,321	167,025		159,766
Other income producing property | Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	6,176	9,280		10,729
Other income producing property | Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	1,919	1,933		4,722
Other income producing property | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	92,044			49,123
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	92,044	39,342		49,123
Other income producing property | Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	89,596	38,361		47,938
Other income producing property | Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,741	273		426
Other income producing property | Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	707	708		759
Consumer | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	340,292	324,238		247,502
Consumer | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	338,473	322,654		245,775
Consumer | Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	625	468		744
Consumer | Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	1,194	1,116		983
Consumer | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Total loans	151,941			163,236
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	151,941	142,654		163,236
Consumer | Acquired credit impaired loans
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	58,688	59,300		67,612
Consumer | Acquired credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	9,704	8,513		10,228
Consumer | Acquired credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	19,124	19,685		22,417
Consumer | Acquired credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	29,860	31,102		34,967
Commercial | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	3,558,936	3,322,560		2,762,091
Commercial | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	3,470,239	3,240,147		2,665,684
Commercial | Non-acquired loans | Special mention
Loans and Allowance for Loan Losses
Total loans	63,300	65,593		70,833
Commercial | Non-acquired loans | Substandard
Loans and Allowance for Loan Losses
Total loans	25,397	16,820		25,574
Commercial | Acquired non-credit impaired loans
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	826,712	124,896		157,142
Commercial | Acquired non-credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	809,042	116,121		147,124
Commercial | Acquired non-credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	15,838	6,814		1,486
Commercial | Acquired non-credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	1,832	1,961		8,532
Other loans | Non-acquired loans
Loans and Allowance for Loan Losses
Total loans	15,623	13,404		76,559
Other loans | Non-acquired loans | Pass
Loans and Allowance for Loan Losses
Total loans	15,623	13,404		76,559
Commercial loans 1000000 or more | Acquired credit impaired loans
Loans and Allowance for Loan Losses
Total loans	8,594			12,445
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	8,594	8,617		12,445
Commercial loans 1000000 or more | Acquired credit impaired loans | Pass
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	8,274	8,297		11,065
Commercial loans 1000000 or more | Acquired credit impaired loans | Special mention
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance				1,016
Commercial loans 1000000 or more | Acquired credit impaired loans | Substandard
Loans and Allowance for Loan Losses
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance	$ 320	$ 320		$ 364