Loans and Leases, Part IV (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 contract loan	Jun. 30, 2013 contract	Jun. 30, 2014 contract loan	Jun. 30, 2013 contract	Dec. 31, 2013 loan
Troubled Debt Restructurings [Abstract]
Number of Contracts	2	13	2	18
Pre- Modification Outstanding Recorded Investment	$ 594	$ 837	$ 594	$ 1,045
Post- Modification Outstanding Recorded Investment	588	837	588	1,045
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	1	0	6	1
Recorded Investment on Defaulted TDRs	0	0	889	106
Number of restructured loans	27		27		35
Total restructured loans	7,627		7,627		9,059
TDR activity by loan category [Roll Forward]
Beginning balance	7,891	14,934	9,059	16,773
Defaults	0	0	(889)	(106)
Additions	588	837	588	1,405
Principal reductions	(852)	(1,455)	(1,131)	(3,756)
Ending balance	7,627	14,316	7,627	14,316
Allowance for loan loss	728	535	728	535
Commercial and Business Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	1	0	1	0
Pre- Modification Outstanding Recorded Investment	50	0	50	0
Post- Modification Outstanding Recorded Investment	49	0	49	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	1	0	1	0
Recorded Investment on Defaulted TDRs	0	0	0	0
Government Program Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	1	0	1	0
Pre- Modification Outstanding Recorded Investment	544	0	544	0
Post- Modification Outstanding Recorded Investment	539	0	539	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	1	0
Recorded Investment on Defaulted TDRs	0	0	0	0
Commercial Real Estate [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	0	0	0	0
Post- Modification Outstanding Recorded Investment	0	0	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	0	1
Recorded Investment on Defaulted TDRs	0	0	0	106
TDR activity by loan category [Roll Forward]
Beginning balance	1,445	4,258	1,468	5,395
Defaults	0	0	0	(106)
Additions	0	0	0	0
Principal reductions	(35)	(43)	(58)	(1,074)
Ending balance	1,410	4,215	1,410	4,215
Allowance for loan loss	467	380	467	380
Single Family Residential Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	0	0	0	0
Post- Modification Outstanding Recorded Investment	0	0	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	2	0
Recorded Investment on Defaulted TDRs	0	0	495	0
Home Improvement and Home Equity Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	1	0	0
Pre- Modification Outstanding Recorded Investment	0	44	0	0
Post- Modification Outstanding Recorded Investment	0	44	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	0	0
Recorded Investment on Defaulted TDRs	0	0	0	0
TDR activity by loan category [Roll Forward]
Beginning balance	0	9	0	10
Defaults	0	0	0	0
Additions	0	44	0	44
Principal reductions	0	(9)	0	(10)
Ending balance	0	44	0	44
Allowance for loan loss	0	2	0	2
Installment and Other [Member]
TDR activity by loan category [Roll Forward]
Beginning balance	47	38	48	38
Defaults	0	0	0	0
Additions	0	0	0	0
Principal reductions	(1)	(38)	(2)	(38)
Ending balance	46	0	46	0
Allowance for loan loss	3	0	3	0
Commercial Lease Financing [Member]
TDR activity by loan category [Roll Forward]
Beginning balance	0	0
Defaults	0	0
Additions	0	0
Principal reductions	0	0
Ending balance	0	0	0	0
Allowance for loan loss	0	0	0	0
RE Construction and Development Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	12	0	18
Pre- Modification Outstanding Recorded Investment	0	793	0	1,045
Post- Modification Outstanding Recorded Investment	0	793	0	1,045
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	2	0
Recorded Investment on Defaulted TDRs	0	0	394	0
TDR activity by loan category [Roll Forward]
Beginning balance	885	2,661	1,551	2,860
Defaults	0	0	(394)	0
Additions	0	793	0	1,361
Principal reductions	(395)	(1,043)	(667)	(1,810)
Ending balance	490	2,411	490	2,411
Allowance for loan loss	0	0	0	0
Agricultural [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	0	0	0	0
Post- Modification Outstanding Recorded Investment	0	0	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	0	0
Recorded Investment on Defaulted TDRs	0	0	0	0
TDR activity by loan category [Roll Forward]
Beginning balance	41	190	44	191
Defaults	0	0	0	0
Additions	0	0	0	0
Principal reductions	(3)	(139)	(6)	(140)
Ending balance	38	51	38	51
Allowance for loan loss	0	0	0	0
Consumer Loans [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	0	0	0	0
Post- Modification Outstanding Recorded Investment	0	0	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	0	0
Recorded Investment on Defaulted TDRs	0	0	0	0
Overdraft Protection Lines [Member]
Troubled Debt Restructurings [Abstract]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	0	0	0	0
Post- Modification Outstanding Recorded Investment	0	0	0	0
Troubled debt restructuring that defaulted [Abstract]
Number of Contracts in Default	0	0	0	0
Recorded Investment on Defaulted TDRs	0	0	0	0
Commercial and Industrial [Member]
TDR activity by loan category [Roll Forward]
Beginning balance	660	877	675	990
Defaults	0	0	0	0
Additions	588	0	588	0
Principal reductions	(141)	(65)	(156)	(178)
Ending balance	1,107	812	1,107	812
Allowance for loan loss	27	14	27	14
Residential Mortgage [Member]
TDR activity by loan category [Roll Forward]
Beginning balance	4,813	6,901	5,273	7,289
Defaults	0	0	(495)	0
Additions	0	0	0	0
Principal reductions	(277)	(118)	(242)	(506)
Ending balance	4,536	6,783	4,536	6,783
Allowance for loan loss	$ 231	$ 139	$ 231	$ 139