Derivatives designated as a cash flow hedge (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended		6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Pay fixed receive floating rate interest rate swap [Member] position	Dec. 31, 2013 Pay fixed receive floating rate interest rate swap [Member] position	Dec. 31, 2010 Hedging Instrument [Member]	Jun. 30, 2014 Hedging Instrument [Member] Pay fixed - receive floating interest rate swap [Member] position	Dec. 31, 2013 Hedging Instrument [Member] Pay fixed - receive floating interest rate swap [Member] position	Jun. 30, 2014 Hedging Instrument [Member] Pay fixed receive floating rate interest rate swap [Member] position	Dec. 31, 2013 Hedging Instrument [Member] Pay fixed receive floating rate interest rate swap [Member] position
Derivative [Line Items]
Number of Positions			1	1		1	1	1	1
Notional Amount	$ 8,240	$ 8,470	$ 4,120	$ 4,235	$ 5,200	$ 5,155	$ 5,155	$ 10,000	$ 10,000
Asset	101	232	0	0		0	0	0	102
Liability	$ 101	$ 232	$ 101	$ 232		$ 190	$ 72	$ 18	$ 0
Receive Rate						0.23%	0.32%	0.15%	0.17%
Pay rate			3.90%	3.90%	2.59%	2.59%	2.59%	1.43%	1.43%
Life (Years)	13 years 3 months 24 days	13 years 10 months 24 days	13 years 3 months 24 days	13 years 10 months 24 days		6 years 2 months 18 days	6 years 9 months 18 days	4 years 6 months 0 days	5 years 0 months 0 days