Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2016

Transfers and Servicing [Abstract]

Summary of Changes in Mortgage Servicing Rights

The following table summarizes the changes in MSRs, which are included in other assets on the consolidated balance sheets:

	2016			2015
	(in thousands)
Amortized cost:
Balance at beginning of year	$	40,944		$	42,148
Originations of mortgage servicing rights	5,485			6,166
Amortization expense	(7,607		)	(7,370		)
Balance at end of year	$	38,822		$	40,944
Valuation allowance:
Balance at beginning of year	$	—		$	—
Net additions to the valuation allowance	(1,291		)	—
Balance at end of year	$	(1,291	)	$	—
Net MSRs at end of year	$	37,531		$	40,944

Schedule Of Servicing Assets Expected Amortization Expense

Estimated MSR amortization expense for the next five years, based on balances as of December 31, 2016 and the estimated remaining lives of the underlying loans, follows (in thousands):

Year
2017	$	6,538
2018	6,087
2019	5,590
2020	5,043
2021	4,443