Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangibles

The Company’s goodwill and other intangibles (carrying basis and accumulated amortization) at March 31, 2019 and December 31, 2018, were as follows: 

(In thousands)	March 31, 2019			December 31, 2018
Goodwill	$	845,687		$	845,687
Core deposit premiums:
Gross carrying amount	105,984			105,984
Accumulated amortization	(28,552		)	(26,177		)
Core deposit premiums, net	77,432			79,807
Books of business intangible:
Gross carrying amount	15,234			15,234
Accumulated amortization	(3,972		)	(3,707		)
Books of business intangible, net	11,262			11,527
Other intangible assets, net	88,694			91,334
Total goodwill and other intangible assets	$	934,381		$	937,021

Estimated Remaining Amortization Expense

The Company’s estimated remaining amortization expense on intangibles as of March 31, 2019 is as follows:

(In thousands)	Year	Amortization Expense
	Remainder of 2019	$	7,924
	2020	10,552
	2021	10,490
	2022	10,438
	2023	10,156
	Thereafter	39,134
	Total	$	88,694