Other Comprehensive Income - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of securities, net	$ (20)	$ (1,128)	$ (20)	$ (1,243)
Tax expense	7	395	7	435
Reclassifications Out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of securities, net	(20)	(1,128)	(20)	(1,243)
Tax expense	7	395	7	435
Net earnings	$ (13)	$ (733)	$ (13)	$ (808)