Consolidated Statement of Earnings (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Reclassifications adjustment for realized gains on investment securities included in net earnings (loss), before income tax	$ 136	$ 1	$ 380	$ (4)
Income tax expense from reclassification items	$ 48	$ 0	$ 133	$ (1)