Mortgage Servicing Rights (Tables)

6 Months Ended

Jun. 30, 2018

Transfers and Servicing [Abstract]

Summary of Changes in Mortgage Servicing Rights

The following table summarizes the changes in mortgage servicing rights ("MSRs"), which are included in other assets on the consolidated balance sheets:

	Three months ended June 30						Six months ended June 30
	2018			2017			2018			2017
	(in thousands)
Amortized cost:
Balance at beginning of period	$	37,748		$	38,543		$	37,663		$	38,822
Originations of mortgage servicing rights	1,746			1,203			3,229			2,386
Amortization	(1,600		)	(1,566		)	(2,998		)	(3,028		)
Balance at end of period	$	37,894		$	38,180		$	37,894		$	38,180
Valuation allowance:
Balance at beginning of period	$	—		$	(1,291	)	$	—		$	(1,291	)
Reductions to valuation allowance	—			1,291			—			1,291
Balance at end of period	$	—		$	—		$	—		$	—
Net MSRs at end of period	$	37,894		$	38,180		$	37,894		$	38,180