Mortgage Servicing Rights (Tables)

12 Months Ended

Dec. 31, 2018

Text Block [Abstract]

Fair Value of Mortgage Servicing Rights

The following tables summarize the activity in, and the main assumptions we used to determine the fair value of mortgage servicing rights for the periods indicated (dollars in thousands):

	Year ended December 31,
	2018			2017			2016
Balance at beginning of period	$	6,687		$	6,595		$	7,618
Additions		557			810			1,161
Change in fair value		(146	)		(718	)		(2,184	)
Balance at end of period	$	7,098		$	6,687		$	6,595
Contractually specified servicing fees, late fees and ancillary fees earned	$	2,038		$	2,076		$	2,065
Balance of loans serviced at:
Beginning of period	$	811,065		$	816,623		$	817,917
End of period	$	785,138		$	811,065		$	816,623
Period end:
Weighted-average prepayment speed (CPR)		7.6	%		8.9	%		8.8	%
Weighted-average discount rate		12.0	%		13.0	%		14.0	%