Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

The following table summarizes other intangible assets as of March 31, 2019 and December 31, 2018: 

	Gross Intangible Assets		Accumulated Amortization			Valuation Allowance			Net Intangible Assets
	(in thousands)
March 31, 2019
Loan servicing rights	$	88,557	$	(64,939	)	$	(107	)	$	23,511
Core deposits	80,470		(31,888		)	—			48,582
Other	3,945		(2,458		)	—			1,487
Total other intangible assets	$	172,972	$	(99,285	)	$	(107	)	$	73,580
December 31, 2018
Loan servicing rights	$	87,354	$	(63,161	)	$	(83	)	$	24,110
Core deposits	80,470		(29,136		)	—			51,334
Other	3,945		(2,399		)	—			1,546
Total other intangible assets	$	171,769	$	(94,696	)	$	(83	)	$	76,990

Estimated Future Amortization Expense

The following table presents the estimated future amortization expense of other intangible assets for the remainder of 2019 through 2023: 

	Loan Servicing Rights		Core Deposits		Other
	(in thousands)
2019	$	4,305	$	8,209	$	176
2020	4,749		9,607		220
2021	3,750		8,252		206
2022	2,980		6,898		191
2023	2,372		5,544		131