Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Other Intangible Assets

The following table summarizes other intangible assets as of September 30, 2017 and December 31, 2016:

	Gross Intangible Assets		Accumulated Amortization			Valuation Allowance			Net Intangible Assets
	(in thousands)
September 30, 2017
Loan servicing rights	$	77,072	$	(55,613	)	$	(715	)	$	20,744
Core deposits	43,396		(23,142		)	—			20,254
Other	4,087		(2,224		)	—			1,863
Total other intangible assets	$	124,555	$	(80,979	)	$	(715	)	$	42,861
December 31, 2016
Loan servicing rights	$	73,002	$	(52,634	)	$	(900	)	$	19,468
Core deposits	61,504		(37,562		)	—			23,942
Other	4,087		(2,013		)	—			2,074
Total other intangible assets	$	138,593	$	(92,209	)	$	(900	)	$	45,484

Estimated Future Amortization Expense

The following table presents the estimated future amortization expense of other intangible assets for the remainder of 2017 through 2021:

	Loan Servicing Rights		Core Deposits		Other
	(in thousands)
2017	$	1,439	$	1,154	$	69
2018	4,798		4,215		249
2019	3,812		3,671		235
2020	3,031		3,127		220
2021	2,301		2,582		206