GOODWILL, OTHER INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Goodwill and Intangible Assets

The following table summarizes the changes in the Company’s goodwill and other intangibles for the nine months ended September 30, 2018 and the year ended December 31, 2017 (in thousands):

	Goodwill			CDI			LHI			Total
Balance, December 31, 2016	$	244,583		$	29,701		$	461		$	274,745
Amortization	—			(6,247		)	(184		)	(6,431		)
Other changes(1)	(1,924		)	(1,076		)	—			(3,000		)
Balance, December 31, 2017	242,659			22,378			277			265,314
Amortization	—			(4,112		)	(44		)	(4,156		)
Balance, September 30, 2018	$	242,659		$	18,266		$	233		$	261,158

⁽¹⁾ Goodwill and CDI were adjusted for the sale of the Utah branches in 2017.

Schedule of Estimated Annual Amortization Expense

The following table presents the estimated amortization expense with respect to CDI for the periods indicated (in thousands):

	Estimated Amortization
Remainder of 2018	$	1,348
2019	4,659
2020	3,976
2021	3,291
2022	2,511
Thereafter	2,481
	$	18,266

Schedule of Servicing Assets at Amortized Value

An analysis of our mortgage servicing rights for the three and nine months ended September 30, 2018 and 2017 is presented below (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Balance, beginning of the period	$	14,521		$	14,985		$	14,738		$	15,249
Additions—amounts capitalized	952			826			2,636			2,477
Additions—through purchase	47			—			92			—
Amortization (1)	(999		)	(1,057		)	(2,945		)	(2,972		)
Balance, end of the period (2)	$	14,521		$	14,754		$	14,521		$	14,754

⁽¹⁾  Amortization of mortgage servicing rights is recorded as a reduction of loan servicing income within mortgage banking operations and any unamortized balance is fully amortized if the loan repays in full.

⁽²⁾  There was no valuation allowance as of September 30, 2018 and 2017.