Allowance for Credit Losses (Tables)

6 Months Ended

Jun. 30, 2018

Receivables [Abstract]

Schedule of Allowance for Loan Losses and Carrying Amount of Loans

A progression of the allowance for loan losses, by portfolio segment, for the periods indicated is summarized as follows:

Allowance for Loan Losses

For the Three Months Ended June 30, 2018

	Commercial Real Estate										Construction				Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development		Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	3,719		$	6,774		$	46,917	$	10,253	$	6,429	$	2,391	$	170		$	76,653
Charge-offs		728			314			5,795		82		72		721		0			7,712
Recoveries		690			17			984		94		9		196		0			1,990
Provision		(468	)		(294	)		6,085		115		226		553		(13	)		6,204
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592	$	2,419	$	157		$	77,135

Allowance for Loan Losses and Carrying Amount of Loans

For the Six Months Ended June 30, 2018

	Commercial Real Estate										Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate		& Land Development			Consumer		Estimated Imprecision		Total
Allowance for Loan Losses:
Beginning balance	$	5,401		$	6,369		$	45,189	$	9,927	$	7,187		$	2,481	$	73	$	76,627
Charge-offs		1,743			314			8,663		992		532			1,326		0		13,570
Recoveries		745			153			1,090		358		11			339		0		2,696
Provision		(1,190	)		(25	)		10,575		1,087		(74	)		925		84		11,382
Ending balance	$	3,213		$	6,183		$	48,191	$	10,380	$	6,592		$	2,419	$	157	$	77,135
Ending Balance: individually evaluated for impairment	$	978		$	1,693		$	14,676	$	1,460	$	277		$	0	$	0	$	19,084
Ending Balance: collectively evaluated for impairment	$	2,235		$	4,490		$	33,515	$	8,920	$	6,315		$	2,419	$	157	$	58,051
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0	$	0		$	0	$	0	$	0
Financing receivables:
Ending balance	$	1,366,814		$	4,435,910		$	2,209,191	$	3,300,472	$	1,396,853		$	819,768	$	0	$	13,529,008
Ending Balance: individually evaluated for impairment	$	30,134		$	21,653		$	79,980	$	15,185	$	16,892		$	0	$	0	$	163,844
Ending Balance: collectively evaluated for impairment	$	1,305,807		$	4,337,381		$	2,103,205	$	3,272,737	$	1,357,792		$	819,745	$	0	$	13,196,667
Ending Balance: loans acquired with deteriorated credit quality	$	30,873		$	76,876		$	26,006	$	12,550	$	22,169		$	23	$	0	$	168,497

Allowance for Loan Losses and Carrying Amount of Loans

For the Year Ended December 31, 2017

	Commercial Real Estate											Construction					Allowance for
	Owner- occupied			Nonowner- occupied			Other Commercial		Residential Real Estate			& Land Development			Consumer		Estimated Imprecision			Total
Allowance for Loan Losses:
Beginning balance	$	5,273		$	6,883		$	33,087	$	13,770		$	10,606		$	2,805	$	347		$	72,771
Charge-offs		2,246			296			21,189		2,973			3,337			2,822		0			32,863
Recoveries		2,599			244			3,395		601			726			748		0			8,313
Provision		(225	)		(462	)		29,896		(1,471	)		(808	)		1,750		(274	)		28,406
Ending balance	$	5,401		$	6,369		$	45,189	$	9,927		$	7,187		$	2,481	$	73		$	76,627
Ending Balance: individually evaluated for impairment	$	2,251		$	1,592		$	16,721	$	1,552		$	229		$	0	$	0		$	22,345
Ending Balance: collectively evaluated for impairment	$	3,150		$	4,777		$	28,468	$	8,375		$	6,958		$	2,481	$	73		$	54,282
Ending Balance: loans acquired with deteriorated credit quality	$	0		$	0		$	0	$	0		$	0		$	0	$	0		$	0
Financing receivables:
Ending balance	$	1,361,629		$	4,451,298		$	1,998,979	$	2,996,171		$	1,504,907		$	714,353	$	0		$	13,027,337
Ending Balance: individually evaluated for impairment	$	36,721		$	21,851		$	78,715	$	14,316		$	16,921		$	0	$	0		$	168,524
Ending Balance: collectively evaluated for impairment	$	1,291,379		$	4,320,997		$	1,892,706	$	2,967,666		$	1,461,206		$	714,338	$	0		$	12,648,292
Ending Balance: loans acquired with deteriorated credit quality	$	33,529		$	108,450		$	27,558	$	14,189		$	26,780		$	15	$	0		$	210,521