Other Comprehensive Income - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain on sale of securities, net	$ 0	$ 0	$ (20)	$ (1,243)
Tax expense	0	0	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	0	0	(20)	(1,243)
Tax expense	0	0	7	435
Net earnings	$ 0	$ 0	$ (13)	$ (808)