OTHER INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2016

OTHER INTANGIBLE ASSETS

Schedule of gross carrying value and accumulated amortization related to intangible assets

The gross carrying value and accumulated amortization related to our intangible assets are presented below:

	September 30, 2016							December 31, 2015
(dollars in thousands)	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Core deposit premium	$	44,642	$	(39,293	)	$	5,349	$	44,642	$	(37,287	)	$	7,355
Mortgage servicing rights	61,127		(45,489		)	15,638		59,001		(41,204		)	17,797
Total	$	105,769	$	(84,782	)	$	20,987	$	103,643	$	(78,491	)	$	25,152

The following table presents changes in other intangible assets for the nine months ended September 30, 2016:

(dollars in thousands)	Core Deposit Premium			Mortgage Servicing Rights			Total
Balance, beginning of period	$	7,355		$	17,797		$	25,152
Additions	—			2,126			2,126
Amortization	(2,006		)	(4,285		)	(6,291		)
Balance, end of period	$	5,349		$	15,638		$	20,987

Schedule of fair market value and key assumptions used in determining the fair market value of our mortgage servicing rights

The following table presents the fair market value and key assumptions used in determining the fair market value of our mortgage servicing rights:

	Nine Months Ended September 30,
(dollars in thousands)	2016			2015
Fair market value, beginning of period	$	18,345		$	19,975
Fair market value, end of period	16,025			18,495
Weighted average discount rate	9.5		%	9.5		%
Forecasted constant prepayment rate assumption	16.7			14.3

Schedule of estimated amortization expense

Based on the core deposit premium and mortgage servicing rights held as of September 30, 2016, estimated amortization expense for the remainder of fiscal year 2016, the next five succeeding fiscal years and all years thereafter are as follows:

	Estimated Amortization Expense
(dollars in thousands)	Core Deposit Premium		Mortgage Servicing Rights		Total
2016 (remainder)	$	669	$	917	$	1,586
2017	2,674		3,210		5,884
2018	2,006		2,510		4,516
2019	—		2,055		2,055
2020	—		1,688		1,688
2021	—		1,427		1,427
Thereafter	—		3,831		3,831
	$	5,349	$	15,638	$	20,987