Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Goodwill. Year-end goodwill was as follows:

	2017		2016
Goodwill	$	654,952	$	654,952

Schedule of Other Intangible Assets

Other Intangible Assets. Year-end other intangible assets were as follows:

	Gross Intangible Assets		Accumulated Amortization			Net Intangible Assets
2017
Core deposits	$	9,300	$	(5,256	)	$	4,044
Customer relationships	4,669		(3,683		)	986
Non-compete agreements	74		(31		)	43
	$	14,043	$	(8,970	)	$	5,073
2016
Core deposits	$	9,300	$	(4,002	)	$	5,298
Customer relationships	6,102		(4,692		)	1,410
Non-compete agreements	74		(6		)	68
	$	15,476	$	(8,700	)	$	6,776

Estimated Aggregate Future Amortization Expense for Intangible Assets

The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2017 is as follows:

2018	$	1,424
2019	1,167
2020	918
2021	697
2022	481
Thereafter	386
	$	5,073