Accumulated Other Comprehensive Income, Reclassification of AOCI (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain on sale of securities	$ 0	$ 108	$ (4)	$ 695
Less provision for income taxes	841	824	1,205	1,341
Unrealized Gains and Losses on Available-for-Sale Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gain on sale of securities	0	108	(4)	695
Less provision for income taxes	0	36	(1)	236
Reclassification adjustment, net of taxes	$ 0	$ 72	$ (3)	$ 459