GOODWILL AND OTHER INTANGIBLES (Tables)

9 Months Ended

Sep. 30, 2017

Gross Amount and Accumulated Amortization of Other Intangible Assets

The following table shows the gross amount and accumulated amortization of the Corporation’s intangible assets recognized as part of Other Assets in the consolidated statements of financial condition:
	As of		As of
	September 30,		December 31,
	2017		2016
(Dollars in thousands)
Core deposit intangible:
Gross amount, beginning of period	$	51,664	$	51,664
Accumulated amortization (1)		(45,779)		(44,466)
Net carrying amount	$	5,885	$	7,198
Remaining amortization period		7.3 years		8.1 years
Purchased credit card relationship intangible:
Gross amount	$	24,465	$	24,465
Accumulated amortization (2)		(15,832)		(13,934)
Net carrying amount	$	8,633	$	10,531
Remaining amortization period		4.2 years		5 years
Insurance customer relationship intangible:
Gross amount	$	1,067	$	1,067
Accumulated amortization (3)		(254)		(140)
Net carrying amount	$	813	$	927
Remaining amortization period		5.3 years		6.1 years
(1) For the quarter and nine-month period ended September 30, 2017, the amortization expense of core deposit intangibles amounted to $0.4 million and $1.3 million, respectively (2016 - $0.5 million and $1.5 million, respectively).
(2) For the quarter and nine-month period ended September 30, 2017, the amortization expense of the purchased credit card relationship intangible amounted to $0.6 million and $1.9 million, respectively (2016 - $0.7 million and $2.1 million, respectively).
(3) For the quarter and nine-month period ended September 30, 2017, the amortization expense of insurance customer relationship intangible amounted to $38 thousand and $0.1 million, respectively (2016 - $38 thousand and $0.1 million, respectively).

The estimated aggregate annual amortization expense related to these intangible assets for future periods is as follows:
			Amount
			(In thousands)
	2017	$	1,077
	2018		3,591
	2019		3,088
	2020		2,851
	2021		2,658
	2022 and after		2,066