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Mortgage Servicing Rights (Tables)
 3 Months Ended
Mar. 31, 2014
Transfers and Servicing [Abstract]  
Changes in the Company's mortgage servicing rights
Changes in the Company’s mortgage servicing rights were as follows:
 
Balance at January 1, 2014
$
8,994

Capitalization
798

Amortization
(278
)
 
 
Balance at March 31, 2014
$
9,514
Data and key economic assumptions related to the Company's mortgage servicing rights
Data and key economic assumptions related to the Company’s mortgage servicing rights as of March 31, 2014 are as follows:
 
Unpaid principal balance
$
950,600

 
 
Weighted-average prepayment speed (CPR)
4.41
%
Estimated impact of a 10% increase
$
(768
)
Estimated impact of a 20% increase
(1,031
)
 
 
Discount rate
11.26
%
Estimated impact of a 10% increase
$
(826
)
Estimated impact of a 20% increase
(1,139
)
 
 
Weighted-average coupon interest rate
3.71
%
Weighted-average servicing fee (basis points)
25.09

Weighted-average remaining maturity (in years)
24.17