Consolidated Statements of Earnings (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Reclassification adjustment for realized gains on investment securities included in net earnings (loss), before income tax	$ (1)	$ 33	$ (5)	$ 255
Income tax expense from reclassification items	$ 0	$ 12	$ (2)	$ 89