Mortgage Banking Activities (Tables)
 12 Months Ended
Dec. 31, 2014
Transfers and Servicing [Abstract]  
Schedule of MSR Activity
Transactions in the Company’s MSRs for the years ended December 31, 2014 and 2013 were as follows (dollars in thousands).
 
 
2014
 
2013
Balance at beginning of year
$
2,232

 
$
1,308

Additions
685

 
1,166

Amortization
(669
)
 
(399
)
Change in valuation allowance
—

 
157

Balances at end of year
$
2,248

 
$
2,232
Schedule of Mortgage Banking Income
Mortgage banking income, net, consisted of the following for the periods shown (dollars in thousands):
 
2014
 
2013
 
2012
Origination and processing fees
$
748

 
$
651

 
$
594

Gain on sales of mortgage loans, net
1,539

 
3,337

 
3,845

MSR valuation allowance
—

 
157

 
(157
)
Servicing fees
678

 
515

 
171

Amortization
(669
)
 
(399
)
 
(134
)
Mortgage banking income, net
$
2,296

 
$
4,261

 
$
4,319