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Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

4. Goodwill and Other Intangible Assets

The Company tests goodwill for impairment annually or more frequently if circumstances warrant. The Company’s annual step one impairment test as of December 31, 2018 concluded that its goodwill was not impaired. The Company concluded there were no triggering events during the first three months of 2019 that required an interim goodwill impairment test.

Lease intangible assets are amortized over the life of the lease. Core deposit intangible assets are amortized over the estimated useful life of ten years on an accelerated basis. Mortgage servicing rights are amortized over the estimated life of the mortgage loan serviced for others. A summary of the other intangible assets that continue to be subject to amortization is as follows:

(Dollars in thousands)	As of March 31, 2019
	Gross carrying amount		Accumulated amortization			Net carrying amount
Core deposit intangible assets	$	2,067	$	(1,632	)	$	435
Lease intangible asset		350		(244	)		106
Mortgage servicing rights		6,573		(4,189	)		2,384
Total other intangible assets	$	8,990	$	(6,065	)	$	2,925

(Dollars in thousands)		As of December 31, 2018
		Gross carrying amount		Accumulated amortization			Net carrying amount
Core deposit intangible assets	$	2,067	$	(1,588	)	$	479
Lease intangible asset		350		(233	)		117
Mortgage servicing rights		6,545		(4,050	)		2,495
Total other intangible assets	$	8,962	$	(5,871	)	$	3,091

The following sets forth estimated amortization expense for core deposit and lease intangible assets for the remainder of 2019 and in successive years ending December 31:

(Dollars in thousands)	Amortization expense
Remainder of 2019	$	159
2020		177
2021		121
2022		58
2023		26
Total	$	541

Mortgage loans serviced for others are not reported as assets. The following table provides information on the principal balances of mortgage loans serviced for others:

(Dollars in thousands)	March 31,		December 31,
	2019		2018
FHLMC	$	517,197	$	521,489
FHLB		12,079		10,603
Total	$	529,276	$	532,092

Custodial escrow balances maintained in connection with serviced loans were $7.8 million and $4.5 million at March 31, 2019 and December 31, 2018, respectively. Gross service fee income related to such loans was $335,000 and $336,000 for the three months ended March 31, 2019 and 2018, respectively, and is included in fees and service charges in the consolidated statements of earnings.

Activity for mortgage servicing rights is as follows:

	Three months ended
(Dollars in thousands)	March 31,
	2019			2018
Mortgage servicing rights:
Balance at beginning of period	$	2,495		$	2,811
Additions		97			122
Amortization		(208	)		(211	)
Balance at end of period	$	2,384		$	2,722

The fair value of mortgage servicing rights was $5.7 million and $6.2 million at March 31, 2019 and December 31, 2018, respectively. Fair value at March 31, 2019 was determined using discount rates ranging from 8.76% to 11.00%; prepayment speeds ranging from 6.00% to 25.05%, depending on the stratification of the specific mortgage servicing right; and a weighted average default rate of 1.39%. Fair value at December 31, 2018 was determined using discount rates ranging from 9.00% to 11.00%, prepayment speeds ranging from 6.00% to 22.40%, depending on the stratification of the specific mortgage servicing right, and a weighted average default rate of 1.37%.

The Company had a mortgage repurchase reserve of $235,000 at both March 31, 2019 and December 31, 2018, which represents the Company’s best estimate of probable losses that the Company will incur related to the repurchase of one-to-four family residential real estate loans previously sold or to reimburse investors for credit losses incurred on loans previously sold where a breach of the contractual representations and warranties occurred. The Company did not incur any losses charged against the reserve or make any provisions to the reserve during the first three months of 2019 and 2018.