Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net Earnings	$ 6,154	$ 482	$ 6,653	$ 895
Other comprehensive income, net of tax:
Unrealized holding gains (losses) on securities during the period, net of tax effects of $(640) and $25, $(606)and $63 for the respective periods	(1,177)	123	(1,243)	50
Reclassification adjustment for realized gains included in net earnings, net of taxes of $(21) and $0, and $0 and $0 for the respective periods	0	(1)	(40)	(1)
Comprehensive income	$ 4,977	$ 604	$ 5,370	$ 944