Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount and accumulated amortization of the Company’s core deposit premiums and other intangible assets at March 31, 2020 and December 31, 2019 were as follows:



(In thousands)	March 31, 2020			December 31, 2019
Core deposit premiums:
Balance, beginning of year	$	111,808		$	79,807
Acquisitions⁽¹⁾	—			42,695
Disposition of intangible asset⁽²⁾	(1,841		)	—
Amortization	(3,070		)	(10,694		)
Balance, end of period	106,897			111,808
Books of business and other intangibles:
Balance, beginning of year	15,532			11,527
Acquisitions⁽³⁾	—			5,116
Disposition of intangible asset	(413		)	—
Amortization	(343		)	(1,111		)
Balance, end of period	14,776			15,532
Total other intangible assets, net	$	121,673		$	127,340

_________________________

(1) Core deposit premiums of $24.3 million and $18.4 million were recorded during 2019 as part of the Landrum and Reliance acquisitions, respectively. See Note 2, Acquisitions, for additional information on acquisitions completed in 2019.

(2) Consisting of an adjustment for the premium on certain deposit liabilities related to the sale of the Texas Branches.

(3) The Company recorded $5.1 million during 2019 primarily related to the wealth management operations acquired from Landrum. See Note 2, Acquisitions, for additional information on acquisitions completed in 2019.

The carrying basis and accumulated amortization of the Company’s other intangible assets at March 31, 2020 and December 31, 2019 were as follows:



(In thousands)	March 31, 2020			December 31, 2019
Core deposit premiums:
Gross carrying amount	$	146,838		$	148,679
Accumulated amortization	(39,941		)	(36,871		)
Core deposit premiums, net	106,897			111,808
Books of business and other intangibles:
Gross carrying amount	19,938			20,350
Accumulated amortization	(5,162		)	(4,818		)
Books of business and other intangibles, net	14,776			15,532
Total other intangible assets, net	$	121,673		$	127,340

Estimated Remaining Amortization Expense

The Company’s estimated remaining amortization expense on other intangible assets as of March 31, 2020 is as follows:



(In thousands)	Year	Amortization Expense
	Remainder of 2020	$	10,120
	2021	13,436
	2022	13,384
	2023	13,101
	2024	12,199
	Thereafter	59,433
	Total	$	121,673