Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Core Deposit and Other Intangibles

The carrying basis and accumulated amortization of recognized core deposit and other intangibles are noted below.

	2017			2016
Gross carrying amount	$	63,940		$	61,798
Core deposit intangible acquired	18,164
Other intangibles acquired	3,765
Measurement period adjustment				2,142
Accumulated amortization	(54,721		)	(49,074		)
Core deposit intangible and other intangibles reduction
Core Deposit and Other Intangibles	$	31,148		$	14,866

Schedule of Estimated Future Amortization Expense

Estimated future amortization expense is summarized as follows:

	Amortization Expense
2018	$	6,719
2019	5,169
2020	3,632
2021	3,427
2022	3,325
After 2022	8,876
	$	31,148