Mortgage Servicing Rights, Net (Tables)

9 Months Ended

Sep. 30, 2018

Summary of Changes In Carrying Amount of Mortgage Servicing Rights

The changes in the carrying amount of mortgage servicing rights for the three and nine months ended September 30, 2018 and 2017 were as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2018			2017			2018			2017
Mortgage Servicing Rights
Beginning balance	$	393,383		$	381,908		$	399,349		$	347,558
Additions		33,901			29,549			65,632			98,814
Purchases		516			—			2,124			577
Amortization		(20,850	)		(19,183	)		(60,155	)		(54,675	)
Ending balance	$	406,950		$	392,274		$	406,950		$	392,274
Valuation Allowance
Beginning balance	$	(1,343	)	$	(5,481	)	$	(6,723	)	$	(7,742	)
Decrease (increase)		(366	)		(658	)		5,014			1,603
Ending balance		(1,709	)		(6,139	)		(1,709	)		(6,139	)
Net balance	$	405,241		$	386,135		$	405,241		$	386,135

Schedule of Contractually Specified Servicing Fees and Ancillary Fees Earned

The amount of contractually specified servicing fees (including primary and special servicing fees) and ancillary fees (including yield maintenance fees) earned by the Company were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
Servicing fees	$	26,143	$	24,721	$	77,367	$	70,505
Escrow interest and placement fees		5,395		2,835		12,229		6,315
Ancillary fees		3,410		1,501		6,611		3,909
Total Servicing fees	$	34,948	$	29,057	$	96,207	$	80,729