Other Investments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Components Of Other Investments [Abstract]
FRB - Atlanta	$ 2,255	$ 2,071
FHLB - Dallas	587	586
Other bank stocks	853	853
CRA investment	2,120	2,127
Total other investments	$ 5,815	$ 5,637	[1]

[1] Derived from audited financial statements.