Mortgage Servicing Rights (Tables)

6 Months Ended

Jun. 30, 2021

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:

	Three months ended June 30				Six months ended June 30
	2021		2020		2021		2020
	(in thousands)
Amortized cost:
Balance at beginning of period	$	37,803	$	38,854	$	38,745	$	39,267
Originations of MSRs	1,457		2,772		4,268		4,250
Amortization	(3,198)		(2,934)		(6,951)		(4,825)
Balance at end of period	$	36,062	$	38,692	$	36,062	$	38,692
Valuation allowance:
Balance at beginning of period	$	(4,400)	$	(1,100)	$	(10,500)	$	—
Reduction (addition) to valuation allowance	(2,200)		(6,600)		3,900		(7,700)
Balance at end of period	$	(6,600)	$	(7,700)	$	(6,600)	$	(7,700)
Net MSRs at end of period	$	29,462	$	30,992	$	29,462	$	30,992