Fair Value Measurements, By Balance Sheet Grouping (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Financial Assets [Abstract]
Available-for-sale securities	$ 312,322	$ 317,301
Financial Liabilities [Abstract]
Consideration period for recognition of cash and due from banks	90 days
Consideration period for recognition of accrued interest receivable and payable	90 days
Carrying Amount [Member]
Financial Assets [Abstract]
Cash and due from banks	15,740	10,083
Interest bearing time deposit with other banks	2,480	2,480
Available-for-sale securities	312,322	317,301
Loans held for sale	545	278
Net loans	533,126	533,514
Bank owned life insurance	14,921	14,679
Regulatory stock	3,195	3,926
Accrued interest receivable	3,557	3,728
Financial Liabilities [Abstract]
Deposits	765,456	748,316
Borrowed funds	43,075	66,932
Accrued interest payable	735	895
Fair Value [Member]
Financial Assets [Abstract]
Cash and due from banks	15,740	10,083
Interest bearing time deposit with other banks	2,484	2,474
Available-for-sale securities	312,322	317,301
Loans held for sale	545	278
Net loans	549,986	547,405
Bank owned life insurance	14,921	14,679
Regulatory stock	3,195	3,926
Accrued interest receivable	3,557	3,728
Financial Liabilities [Abstract]
Deposits	766,870	750,172
Borrowed funds	39,867	63,500
Accrued interest payable	735	895
Level I [Member]
Financial Assets [Abstract]
Cash and due from banks	15,740	10,083
Interest bearing time deposit with other banks	0	0
Available-for-sale securities	1,873	1,325
Loans held for sale	545	278
Net loans	0	0
Bank owned life insurance	14,921	14,679
Regulatory stock	3,195	3,926
Accrued interest receivable	3,557	3,728
Financial Liabilities [Abstract]
Deposits	508,041	481,957
Borrowed funds	0	0
Accrued interest payable	735	895
Level II [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Interest bearing time deposit with other banks	0	0
Available-for-sale securities	310,449	315,976
Loans held for sale	0	0
Net loans	0	0
Bank owned life insurance	0	0
Regulatory stock	0	0
Accrued interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Borrowed funds	39,867	63,500
Accrued interest payable	0	0
Level III [Member]
Financial Assets [Abstract]
Cash and due from banks	0	0
Interest bearing time deposit with other banks	2,484	2,474
Available-for-sale securities	0	0
Loans held for sale	0	0
Net loans	540,585	547,405
Bank owned life insurance	0	0
Regulatory stock	0	0
Accrued interest receivable	0	0
Financial Liabilities [Abstract]
Deposits	258,829	268,215
Borrowed funds	0	0
Accrued interest payable	$ 0	$ 0