Loans - (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Loan Portfolio Composition Including Carrying Value by Segment of Loans Accounted for under ASC Topic 310-30 and Loans Covered by the FDIC Loss Sharing Agreements

The carrying value of originated and acquired loans is net of discounts, fees, cost and fair value marks of $11.2 million and $4.3 million as of March 31, 2018 and December 31, 2017, respectively.

	March 31, 2018
	ASC		Originated and
	310-30 loans		acquired loans		Total loans		% of total
Commercial	$	24,702	$	2,081,197	$	2,105,899	56.9%
Commercial real estate non-owner occupied		75,277		635,438		710,715	19.2%
Residential real estate		12,000		847,155		859,155	23.2%
Consumer		330		26,235		26,565	0.7%
Total	$	112,309	$	3,590,025	$	3,702,334	100.0%

	December 31, 2017
	ASC		Originated and
	310-30 loans		acquired loans		Total loans		% of total
Commercial	$	29,475	$	1,845,130	$	1,874,605	59.0%
Commercial real estate non-owner occupied		77,908		485,141		563,049	17.7%
Residential real estate		12,759		703,478		716,237	22.5%
Consumer		481		24,575		25,056	0.8%
Total	$	120,623	$	3,058,324	$	3,178,947	100.0%

Past Due Financing Receivables

Delinquency for originated and acquired loans is shown in the following tables at March 31, 2018 and December 31, 2017:

	March 31, 2018
					Greater						Total		Loans > 90
	30-59		60-89		than 90						originated and		days past
	days  past		days past		days past		Total  past				acquired		due and		Non-
	due		due		due		due		Current		loans		still accruing		accrual
Originated and acquired loans:
Commercial:
Commercial and industrial	$	1,083	$	116	$	1,214	$	2,413	$	1,492,675	$	1,495,088	$	150	$	5,302
Owner occupied commercial real estate		440		534		2,790		3,764		380,483		384,247		535		7,202
Agriculture		151		—		734		885		160,764		161,649		16		2,103
Energy		—		—		923		923		39,290		40,213		—		923
Total commercial		1,674		650		5,661		7,985		2,073,212		2,081,197		701		15,530
Commercial real estate non-owner occupied:
Construction		465		941		642		2,048		110,038		112,086		642		—
Acquisition/development		—		—		51		51		23,058		23,109		51		833
Multifamily		—		—		29		29		51,712		51,741		—		29
Non-owner occupied		—		10		—		10		448,492		448,502		—		613
Total commercial real estate		465		951		722		2,138		633,300		635,438		693		1,475
Residential real estate:
Senior lien		2,535		309		1,517		4,361		744,083		748,444		238		5,918
Junior lien		1,002		238		40		1,280		97,431		98,711		—		710
Total residential real estate		3,537		547		1,557		5,641		841,514		847,155		238		6,628
Consumer		204		22		140		366		25,869		26,235		135		36
Total originated and acquired loans	$	5,880	$	2,170	$	8,080	$	16,130	$	3,573,895	$	3,590,025	$	1,767	$	23,669

	December 31, 2017
					Greater						Total		Loans > 90
	30-59		60-89		than 90						originated and		days past
	days past		days past		days past		Total  past				acquired		due and		Non-
	due		due		due		due		Current		loans		still accruing		accrual
Originated and acquired loans:
Commercial:
Commercial and industrial	$	554	$	117	$	1,389	$	2,060	$	1,373,962	$	1,376,022	$	150	$	7,767
Owner occupied commercial real estate		696		—		1,983		2,679		270,074		272,753		—		3,478
Agriculture		585		—		701		1,286		137,609		138,895		—		2,003
Energy		—		—		1,645		1,645		55,815		57,460		—		1,645
Total commercial		1,835		117		5,718		7,670		1,837,460		1,845,130		150		14,893
Commercial real estate non-owner occupied:
Construction		—		—		179		179		107,502		107,681		—		179
Acquisition/development		1,097		—		—		1,097		13,318		14,415		—		—
Multifamily		—		—		—		—		26,947		26,947		—		—
Non-owner occupied		56		—		574		630		335,468		336,098		—		605
Total commercial real estate		1,153		—		753		1,906		483,235		485,141		—		784
Residential real estate:
Senior lien		1,167		885		1,396		3,448		643,034		646,482		—		4,724
Junior lien		233		91		41		365		56,631		56,996		—		459
Total residential real estate		1,400		976		1,437		3,813		699,665		703,478		—		5,183
Consumer		157		6		5		168		24,407		24,575		—		140
Total originated and acquired loans	$	4,545	$	1,099	$	7,913	$	13,557	$	3,044,767	$	3,058,324	$	150	$	21,000

Schedule Of Impaired Financing Receivable With And Without Related Allowance

Additional information regarding impaired loans at March 31, 2018 and December 31, 2017 is set forth in the table below:

	March 31, 2018						December 31, 2017
					Allowance						Allowance
	Unpaid				for loan		Unpaid				for loan
	principal		Recorded		losses		principal		Recorded		losses
	balance		investment		allocated		balance		investment		allocated
With no related allowance recorded:
Commercial:
Commercial and industrial	$	7,036	$	5,562	$	—	$	6,481	$	5,055	$	—
Owner occupied commercial real estate		7,726		7,464		—		4,186		3,934		—
Agriculture		1,508		1,259		—		1,502		1,245		—
Energy		6,889		2,171		—		8,661		3,861		—
Total commercial		23,159		16,456		—		20,830		14,095		—
Commercial real estate non-owner occupied:
Construction		—		—		—		215		179		—
Acquisition/development		1,065		833		—		—		—		—
Multifamily		29		29		—		29		29		—
Non-owner occupied		962		845		—		901		853		—
Total commercial real estate		2,056		1,707		—		1,145		1,061		—
Residential real estate:
Senior lien		1,738		1,563		—		333		309		—
Junior lien		393		300		—		—		—		—
Total residential real estate		2,131		1,863		—		333		309		—
Consumer		42		39		—		—		—		—
Total impaired loans with no related allowance recorded	$	27,388	$	20,065	$	—	$	22,308	$	15,465	$	—
With a related allowance recorded:
Commercial:
Commercial and industrial	$	6,884	$	4,284	$	906	$	7,919	$	5,339	$	1,329
Owner occupied commercial real estate		1,421		1,253		78		873		713		4
Agriculture		2,225		2,182		201		2,122		2,083		133
Energy		—		—		—		—		—		—
Total commercial		10,530		7,719		1,185		10,914		8,135		1,466
Commercial real estate non-owner occupied:
Construction		—		—		—		—		—		—
Acquisition/development		—		—		—		—		—		—
Multifamily		—		—		—		—		—		—
Non-owner occupied		200		193		1		207		200		1
Total commercial real estate		200		193		1		207		200		1
Residential real estate:
Senior lien		6,329		5,553		24		6,481		5,753		24
Junior lien		1,262		1,142		7		1,295		1,179		8
Total residential real estate		7,591		6,695		31		7,776		6,932		32
Consumer		—		—		—		146		141		1
Total impaired loans with a related allowance recorded	$	18,321	$	14,607	$	1,217	$	19,043	$	15,408	$	1,500
Total impaired loans	$	45,709	$	34,672	$	1,217	$	41,351	$	30,873	$	1,500

Schedule of Impaired Financing Receivable, Average Recorded Investment and Interest Income Recognized

The table below shows additional information regarding the average recorded investment and interest income recognized on impaired loans for the periods presented:

	For the three months ended
	March 31, 2018				March 31, 2017
	Average recorded investment		Interest income recognized		Average recorded investment		Interest income recognized
With no related allowance recorded:
Commercial:
Commercial and industrial	$	5,534	$	83	$	8,095	$	48
Owner occupied commercial real estate		7,487		18		3,885		18
Agriculture		1,259		6		2,588		—
Energy		2,353		20		6,098		—
Total commercial		16,633		127		20,666		66
Commercial real estate non-owner occupied:
Construction		—		—		—		—
Acquisition/development		886		—		—		—
Multifamily		—		—		—		—
Non-owner occupied		876		4		329		7
Total commercial real estate		1,762		4		329		7
Residential real estate:
Senior lien		1,612		—		1,047		3
Junior lien		305		—		—		—
Total residential real estate		1,917		—		1,047		3
Consumer		14		—		4		—
Total impaired loans with no related allowance recorded	$	20,326	$	131	$	22,046	$	76
With a related allowance recorded:
Commercial:
Commercial and industrial	$	4,339	$	—	$	3,445	$	—
Owner occupied commercial real estate		1,265		5		678		5
Agriculture		2,126		1		156		1
Energy		—		—		6,589		—
Total commercial		7,730		6		10,868		6
Commercial real estate non-owner occupied:
Construction		—		—		—		—
Acquisition/development		—		—		—		—
Multifamily		29		—		32		—
Non-owner occupied		196		2		223		3
Total commercial real estate		225		2		255		3
Residential real estate:
Senior lien		5,601		13		5,791		21
Junior lien		1,151		9		1,625		13
Total residential real estate		6,752		22		7,416		34
Consumer		24		—		181		—
Total impaired loans with a related allowance recorded	$	14,731	$	30	$	18,720	$	43
Total impaired loans	$	35,057	$	161	$	40,766	$	119

Additional Information Related to Accruing TDR's

The tables below provide additional information related to accruing TDRs at March 31, 2018 and December 31, 2017:

	March 31, 2018
	Recorded		Average year-to-date		Unpaid		Unfunded commitments
	investment		recorded investment		principal balance		to fund TDRs
Commercial	$	7,045	$	6,985	$	7,832	$	1,902
Commercial real estate non-owner occupied		426		431		471		—
Residential real estate		1,205		1,213		1,214		2
Consumer		—		—		—		—
Total	$	8,676	$	8,629	$	9,517	$	1,904

	December 31, 2017
	Recorded		Average year-to-date		Unpaid		Unfunded commitments
	investment		recorded investment		principal balance		to fund TDRs
Commercial	$	6,595	$	7,308	$	7,171	$	2,041
Commercial real estate non-owner occupied		455		489		500		—
Residential real estate		1,409		1,461		1,420		2
Consumer		1		3		1		—
Total	$	8,460	$	9,261	$	9,092	$	2,043

Re-Measurement of Loans Accounted for Under ASC Topic 310-30 Resulting in Changes in Carrying Amount of Accretable Yield

The re-measurement of loans accounted for under ASC 310-30 resulted in the following changes in the carrying amount of accretable yield during the three months ended March 31, 2018 and 2017:

	March 31, 2018		March 31, 2017
Accretable yield beginning balance	$	46,568	$	60,476
Reclassification from non-accretable difference		5,409		5,385
Reclassification to non-accretable difference		(1,390)		(399)
Accretion		(5,394)		(5,871)
Accretable yield ending balance	$	45,193	$	59,591

Composition of Net Book Value for Loans Accounted for under ASC Topic 310-30

Below is the composition of the net book value for loans accounted for under ASC 310-30 at March 31, 2018 and December 31, 2017:

	March 31, 2018		December 31, 2017
Contractual cash flows	$	488,637	$	489,892
Non-accretable difference		(331,135)		(322,701)
Accretable yield		(45,193)		(46,568)
Loans accounted for under ASC 310-30	$	112,309	$	120,623