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Loans and allowance for credit losses (Tables)
 3 Months Ended
Mar. 31, 2013
Receivables [Abstract]  
Schedule of Financing Receivables [Table Text Block]
The following table provides information about the principal classes of the loan portfolio at March 31, 2013 and December 31, 2012.

 

(Dollars in thousands)   March  31,
2013		     December 31,
2012		  
Construction   $ 108,086     $ 108,051  
Residential real estate     289,738       288,011  
Commercial real estate     319,364       314,941  
Commercial     56,271       60,786  
Consumer     12,294       13,293  
Total loans     785,753       785,082  
Allowance for credit losses     (15,735 )     (15,991 )
Total loans, net   $ 770,018     $ 769,091  
Allowance for Credit Losses on Loans Receivables Additional Information [Table Text Block]

The following tables include impairment information relating to loans and the allowance for credit losses as of March 31, 2013 and December 31, 2012.

 

(Dollars in thousands)   Construction     Residential
real estate		     Commercial
real estate		     Commercial     Consumer     Unallocated     Total  
March 31, 2013                                                        
Loans individually evaluated for impairment   $ 35,679     $ 18,940     $ 28,977     $ 702     $ 60     $ -     $ 84,358  
Loans collectively evaluated for impairment     72,407       270,798       290,387       55,569       12,234       -       701,395  
Total loans   $ 108,086     $ 289,738     $ 319,364     $ 56,271     $ 12,294     $ -     $ 785,753  
                                                         
Allowance for credit losses allocated to:                                                        
Loans individually evaluated for impairment   $ 561     $ 263     $ 591     $ 40     $ 4     $ -     $ 1,459  
Loans collectively evaluated for impairment     3,555       4,601       3,783       1,720       326       291       14,276  
Total allowance for credit losses   $ 4,116     $ 4,864     $ 4,374     $ 1,760     $ 330     $ 291     $ 15,735  

 

(Dollars in thousands)   Construction     Residential
real estate		     Commercial
real estate		     Commercial     Consumer     Unallocated     Total  
December 31, 2012                                                        
Loans individually evaluated for impairment   $ 37,029     $ 18,549     $ 32,447     $ 715     $ 87     $ -     $ 88,827  
Loans collectively evaluated for impairment     71,022       269,462       282,494       60,071       13,206       -       696,255  
Total loans   $ 108,051     $ 288,011     $ 314,941     $ 60,786     $ 13,293     $ -     $ 785,082  
                                                         
Allowance for credit losses allocated to:                                                        
Loans individually evaluated for impairment   $ 941     $ 598     $ 614     $ -     $ 48     $ -     $ 2,201  
Loans collectively evaluated for impairment     3,446       4,596       3,520       1,682       359       187       13,790  
Total allowance for credit losses   $ 4,387     $ 5,194     $ 4,134     $ 1,682     $ 407     $ 187     $ 15,991  
Impaired Financing Receivables [Table Text Block]

The following tables provide information on impaired loans and any related allowance by loan class as of March 31, 2013 and December 31, 2012. The difference between the unpaid principal balance and the recorded investment is the amount of partial charge-offs that have been taken.

 

(Dollars in thousands)   Unpaid principal balance     Recorded investment with no allowance     Recorded investment with an allowance     Related allowance     Year-to-date average recorded investment  
March 31, 2013                                        
Impaired nonaccrual loans:                                        
Construction   $ 12,246     $ 4,296     $ 4,161     $ 416     $ 8,106  
Residential real estate     18,356       10,955       640       218       10,786  
Commercial real estate     16,460       8,237       2,877       475       11,885  
Commercial     1,596       547       40       40       552  
Consumer     65       56       4       4       46  
Total     48,723       24,091       7,722       1,153       31,375  
                                         
Impaired accruing restructured loans:                                        
Construction     27,222       22,292       4,930       145       27,206  
Residential real estate     7,345       6,507       838       45       7,158  
Commercial real estate     17,863       10,025       7,838       116       17,814  
Commercial     115       115       -       -       118  
Consumer     -       -       -       -       -  
Total     52,545       38,939       13,606       306       52,296  
                                         
Total impaired loans:                                        
Construction     39,468       26,588       9,091       561       35,312  
Residential real estate     25,701       17,462       1,478       263       17,944  
Commercial real estate     34,323       18,262       10,715       591       29,699  
Commercial     1,711       662       40       40       670  
Consumer     65       56       4       4       46  
Total   $ 101,268     $ 63,030     $ 21,328     $ 1,459     $ 83,671  

 

(Dollars in thousands)   Unpaid principal balance     Recorded investment with no allowance     Recorded investment with an allowance     Related allowance     Year-to-date average recorded investment  
December 31, 2012                                        
Impaired nonaccrual loans:                                        
Construction   $ 14,288     $ 3,371     $ 6,323     $ 941     $ 12,428  
Residential real estate     17,975       9,469       2,063       598       17,472  
Commercial real estate     19,515       11,838       2,729       614       12,975  
Commercial     1,556       594       -       -       1,538  
Consumer     92       39       48       48       55  
Total     53,426       25,311       11,163       2,201       44,468  
                                         
Impaired accruing restructured loans:                                        
Construction     27,335       27,335       -       -       21,193  
Residential real estate     7,017       7,017       -       -       5,064  
Commercial real estate     17,880       17,880       -       -       16,252  
Commercial     121       121       -       -       87  
Consumer     -       -       -       -       -  
Total     52,353       52,353       -       -       42,596  
                                         
Total impaired loans:                                        
Construction     41,623       30,706       6,323       941       33,621  
Residential real estate     24,992       16,486       2,063       598       22,536  
Commercial real estate     37,395       29,718       2,729       614       29,227  
Commercial     1,677       715       -       -       1,625  
Consumer     92       39       48       48       55  
Total   $ 105,779     $ 77,664     $ 11,163     $ 2,201     $ 87,064  
Troubled Debt Restructurings on Financing Receivables [Table Text Block]

The following tables provide information on loans that were modified and considered troubled debt restructurings during the three months ended March 31, 2013 and March 31, 2012.

 

(Dollars in thousands)   Number of contracts     Premodification outstanding recorded investment     Postmodification outstanding recorded investment     Related
allowance		  
Troubled debt restructurings:                                
For the three months ended March 31, 2013                                
Construction     2     $ 123     $ 123     $ -  
Residential real estate     2       525       536       -  
Commercial real estate     -       -       -       -  
Commercial     -       -       -       -  
Consumer     -               -       -  
Total     4     $ 648     $ 659     $ -  
                                 
For the three months ended March 31, 2012                                
Construction     2     $ 98     $ 98     $ -  
Residential real estate     -       -       -       -  
Commercial real estate     2       5,351       5,497       -  
Commercial     -       -       -       -  
Consumer     -       -       -       -  
Total     4     $ 5,449     $ 5,595     $ -  
Troubled Debt Restructurings that Defaulted on Financing Receivables [Table Text Block]

The following tables provide information on troubled debt restructurings that defaulted during the three months ended March 31, 2013 and March 31, 2012.

 

(Dollars in thousands)   Number of contracts     Recorded investment     Related allowance        
Troubled debt restructurings that subsequently defaulted (1):                                
For the three months ended March 31, 2013                                
Construction     -     $ -     $ -          
Residential real estate     2       177       -          
Commercial real estate     1       1,741       74          
Commercial     -       -       -          
Consumer     -       -       -          
Total     3     $ 1,918     $ 74          
                                 
For the three months ended March 31, 2012                                
Construction     1     $ 666     $ -          
Residential real estate     2       873       -          
Commercial real estate     -       -       -          
Commercial     -       -       -          
Consumer     -       -       -          
Total     3     $ 1,539     $ -          

 

(1) Generally, a loan is considered in default when principal or interest is past due 30 days or more.
Financing Receivable Credit Quality Indicators [Table Text Block]

The following tables provide information on loan risk ratings as of March 31, 2013 and December 31, 2012.

 

(Dollars in thousands)   Pass/Performing     Special mention     Substandard     Doubtful     Nonaccrual     Total  
March 31, 2013                                                
Construction   $ 49,924     $ 27,605     $ 22,100     $ -     $ 8,457     $ 108,086  
Residential real estate     238,085       25,033       14,950       75       11,595       289,738  
Commercial real estate     264,320       22,831       21,099       -       11,114       319,364  
Commercial     50,704       3,335       1,645       -       587       56,271  
Consumer     12,178       53       3       -       60       12,294  
Total   $ 615,211     $ 78,857     $ 59,797     $ 75     $ 31,813     $ 785,753  

 

(Dollars in thousands)   Pass/Performing     Special mention     Substandard     Doubtful     Nonaccrual     Total  
December 31, 2012                                                
Construction   $ 45,385     $ 30,817     $ 22,155     $ -     $ 9,694     $ 108,051  
Residential real estate     237,299       23,657       15,090       433       11,532       288,011  
Commercial real estate     257,418       21,554       21,402       -       14,567       314,941  
Commercial     55,432       3,062       1,639       59       594       60,786  
Consumer     13,147       -       59       -       87       13,293  
Total   $ 608,681     $ 79,090     $ 60,345     $ 492     $ 36,474     $ 785,082  
Past Due Financing Receivables [Table Text Block]

The following tables provide information on the aging of the loan portfolio as of March 31, 2013 and December 31, 2012.

 

    Accruing              
(Dollars in thousands)   Current     30-59 days past due     60-89 days past due     90 days or more past due     Total past due     Nonaccrual     Total  
March 31, 2013                              
Construction   $ 99,493     $ 136     $ -     $ -     $ 136     $ 8,457     $ 108,086  
Residential real estate     272,277       4,789       1,055       22       5,866       11,595       289,738  
Commercial real estate     303,535       2,334       2,381       -       4,715       11,114       319,364  
Commercial     54,988       588       108       -       696       587       56,271  
Consumer     12,192       42       -       -       42       60       12,294  
Total   $ 742,485     $ 7,889     $ 3,544     $ 22     $ 11,455     $ 31,813     $ 785,753  
Percent of total loans     94.5 %     1.0 %     0.5 %     -       1.5 %     4.0 %        

 

    Accruing              
(Dollars in thousands)   Current     30-59 days past due     60-89 days past due     90 days or more past due     Total past due     Nonaccrual     Total  
December 31, 2012                                                        
Construction   $ 98,221     $ 136     $ -     $ -     $ 136     $ 9,694     $ 108,051  
Residential real estate     272,311       3,116       762       290       4,168       11,532       288,011  
Commercial real estate     298,522       887       800       165       1,852       14,567       314,941  
Commercial     59,746       380       66       -       446       594       60,786  
Consumer     13,125       57       19       5       81       87       13,293  
Total   $ 741,925     $ 4,576     $ 1,647     $ 460     $ 6,683     $ 36,474     $ 785,082  
Percent of total loans     94.5 %     0.6 %     0.2 %     0.1 %     0.9 %     4.6 %    
Allowance for Credit Losses on Financing Receivables [Table Text Block]
The following tables provide a summary of the activity in the allowance for credit losses allocated by loan class for the three months ended March 31, 2013 and 2012. Allocation of a portion of the allowance to one loan class does not preclude its availability to absorb losses in other loan classes.

 

(Dollars in thousands)   Construction     Residential real estate     Commercial real estate     Commercial     Consumer     Unallocated     Total  
For the three months ended
March 31, 2013		                                                        
Allowance for credit losses:                                                        
Beginning balance   $ 4,387     $ 5,194     $ 4,134     $ 1,682     $ 407     $ 187     $ 15,991  
                                                 
Charge-offs     (707 )     (793 )     (1,075 )     (87 )     (49 )     -       (2,711 )
Recoveries     1       239       3       52       10       -       305  
Net charge-offs     (706 )     (554 )     (1,072 )     (35 )     (39 )     -       (2,406 )
                                                         
Provision     435       224       1,312       113       (38 )     104       2,150  
Ending balance   $ 4,116     $ 4,864     $ 4,374     $ 1,760     $ 330     $ 291     $ 15,735  

 

(Dollars in thousands)   Construction     Residential real estate     Commercial real estate     Commercial     Consumer     Unallocated     Total  
For the three months ended
March 31, 2012		                                                        
Allowance for credit losses:                                                        
Beginning balance   $ 3,745     $ 5,014     $ 3,415     $ 1,498     $ 594     $ 22     $ 14,288  
                                                         
Charge-offs     (1,072 )     (4,119 )     (690 )     (3,355 )     (15 )     -       (9,251 )
Recoveries     -       51       7       75       4       -       137  
Net charge-offs     (1,072 )     (4,068 )     (683 )     (3,280 )     (11 )     -       (9,114 )
                                                         
Provision     671       3,502       817       3,321     (2 )     61       8,370  
Ending balance   $ 3,344     $ 4,448     $ 3,549     $ 1,539     $ 581     $ 83     $ 13,544