Loans and ALLL (Summary of information pertaining to TDRs) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
NumberofLoan
Dec. 31, 2012
NumberofLoan
Information pertaining to TDR's    
Number of Loans 81 67
Pre- Modification Recorded Investment $ 12,828 $ 11,486
Post- Modification Recorded Investment 12,616 11,366
Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 42 49
Pre- Modification Recorded Investment 6,396 7,264
Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 39 18
Pre- Modification Recorded Investment 6,432 4,222
Commercial real estate [Member]
   
Information pertaining to TDR's    
Number of Loans 0 1
Pre- Modification Recorded Investment 0 912
Post- Modification Recorded Investment 0 792
Commercial real estate [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 0 0
Pre- Modification Recorded Investment 0 0
Commercial real estate [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 0 1
Pre- Modification Recorded Investment 0 912
Commercial other [Member]
   
Information pertaining to TDR's    
Number of Loans 18 28
Pre- Modification Recorded Investment 5,299 6,437
Post- Modification Recorded Investment 5,103 6,437
Commercial other [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 12 25
Pre- Modification Recorded Investment 3,070 4,924
Commercial other [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 6 3
Pre- Modification Recorded Investment 2,229 1,513
Total commercial [Member]
   
Information pertaining to TDR's    
Number of Loans 18 29
Pre- Modification Recorded Investment 5,299 7,349
Post- Modification Recorded Investment 5,103 7,229
Total commercial [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 12 25
Pre- Modification Recorded Investment 3,070 4,924
Total commercial [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 6 4
Pre- Modification Recorded Investment 2,229 2,425
Agricultural other [Member]
   
Information pertaining to TDR's    
Number of Loans 4 7
Pre- Modification Recorded Investment 1,379 652
Post- Modification Recorded Investment 1,379 652
Agricultural other [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 4 6
Pre- Modification Recorded Investment 1,379 561
Agricultural other [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 0 1
Pre- Modification Recorded Investment 0 91
Residential real estate senior liens [Member]
   
Information pertaining to TDR's    
Number of Loans 55 29
Pre- Modification Recorded Investment 6,069 3,463
Post- Modification Recorded Investment 6,053 3,463
Residential real estate senior liens [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 24 17
Pre- Modification Recorded Investment 1,904 1,779
Residential real estate senior liens [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 31 12
Pre- Modification Recorded Investment 4,165 1,684
Residential real estate junior liens [Member]
   
Information pertaining to TDR's    
Number of Loans 1 1
Pre- Modification Recorded Investment 20 22
Post- Modification Recorded Investment 20 22
Residential real estate junior liens [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 0 0
Pre- Modification Recorded Investment 0 0
Residential real estate junior liens [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 1 1
Pre- Modification Recorded Investment 20 22
Total residential real estate [Member]
   
Information pertaining to TDR's    
Number of Loans 56 30
Pre- Modification Recorded Investment 6,089 3,485
Post- Modification Recorded Investment 6,073 3,485
Total residential real estate [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 24 17
Pre- Modification Recorded Investment 1,904 1,779
Total residential real estate [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 32 13
Pre- Modification Recorded Investment 4,185 1,706
Consumer Secured [Member]
   
Information pertaining to TDR's    
Number of Loans 1 1
Pre- Modification Recorded Investment 27 0
Post- Modification Recorded Investment 27 0
Consumer Secured [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 1 1
Pre- Modification Recorded Investment 27 0
Consumer Secured [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 0 0
Pre- Modification Recorded Investment 0 0
Consumer Unsecured [Member]
   
Information pertaining to TDR's    
Number of Loans 2 0
Pre- Modification Recorded Investment 34 0
Post- Modification Recorded Investment 34 0
Consumer Unsecured [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 1 0
Pre- Modification Recorded Investment 16 0
Consumer Unsecured [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 1 0
Pre- Modification Recorded Investment 18 0
Total consumer [Member]
   
Information pertaining to TDR's    
Number of Loans 3 1
Pre- Modification Recorded Investment 61 0
Post- Modification Recorded Investment 61 0
Total consumer [Member] | Below Market Interest Rate [Member]
   
Information pertaining to TDR's    
Number of Loans 2 1
Pre- Modification Recorded Investment 43 0
Total consumer [Member] | Below Market Interest Rate and Extension of Amortization Period [Member]
   
Information pertaining to TDR's    
Number of Loans 1 0
Pre- Modification Recorded Investment $ 18 $ 0