Other Real Estate Owned ("OREO"), net
 12 Months Ended
Dec. 31, 2014
Real Estate [Abstract]  
Other real estate owned (OREO), net
Other real estate owned (“OREO”), net
 
Transactions in the Company's OREO for the years ended December 31, 2014, 2013 and 2012 were as follows (dollars in thousands):
 
2014
 
2013
 
2012
Balance at beginning of year
$
3,144

 
$
6,552

 
$
21,270

Additions
3,705

 
2,086

 
2,260

Dispositions
(3,611
)
 
(13,742
)
 
(36,623
)
Change in valuation allowance
71

 
8,248

 
19,645

Balance at end of year
$
3,309

 
$
3,144

 
$
6,552


 
The following table summarizes activity in the OREO valuation allowance for the years ended December 31, 2014, 2013 and 2012 (dollars in thousands):
 
 
2014
 
2013
 
2012
Balance at beginning of year
$
2,394

 
$
10,642

 
$
30,287

Additions to valuation allowance
1,163

 
356

 
1,261

Reductions due to sales of OREO
(1,234
)
 
(8,604
)
 
(20,906
)
Balance at end of year
$
2,323

 
$
2,394

 
$
10,642


 
The following table summarizes OREO expenses for the years ended December 31, 2014, 2013 and 2012 (dollars in thousands):
 
 
2014
 
2013
 
2012
Operating costs
$
175

 
$
254

 
$
568

(Gains) losses on sales of OREO
(183
)
 
(81
)
 
(104
)
Increases in valuation allowance
996

 
356

 
1,261

Total
$
988

 
$
529

 
$
1,725