Other Intangibles

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangibles

OTHER INTANGIBLES

Core deposit intangibles and other intangibles are recorded on the acquisition date of an entity. During the measurement period, the Corporation may record subsequent adjustments to these intangibles for provisional amounts recorded at the acquisition date. The IAB acquisition on July 14, 2017 resulted in a core deposit intangible of $13,638,000 and other intangibles, consisting of non-compete intangibles, of $3,765,000. The Arlington Bank acquisition on May 19, 2017 resulted in a core deposit intangible of $4,526,000. Details regarding the IAB and Arlington Bank acquisitions are discussed in NOTE 2. ACQUISITIONS of these Notes to Consolidated Condensed Financial Statements.

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

	June 30, 2018			December 31, 2017
Gross carrying amount	$	85,869		$	63,940
Core deposit intangibles acquired				18,164
Other intangibles acquired				3,765
Accumulated amortization	(58,165		)	(54,721		)
Total other intangibles	$	27,704		$	31,148

The core deposit intangibles and other intangibles are being amortized primarily on an accelerated basis over their estimated useful lives, generally over a period of two to ten years. Estimated future amortization expense is summarized as follows:

	Amortization Expense
2018	$	3,275
2019	5,169
2020	3,632
2021	3,427
2022	3,325
After 2022	8,876
	$	27,704