Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Securities Details 2
Due within one year	$ 3,000
Due after one year but within five years	20,497
Due after five years but within ten years
Due after ten years	1,000
Mortgage-backed securities	124,164
Total debt securities	148,661
Equity securities	7,952
Total securities	156,613	178,730
Due within one year	3,007
Due after one year but within five years	20,704
Due after five years but within ten years
Due after ten years	760
Mortgage-backed securities	128,533
Total debt securities	153,004
Equity securities	8,403
Total securities	161,407	182,626	159,870
Due within one year	350
Due after one year but within five years	3,208
Due after five years but within ten years	29,677
Due after ten years	22,888
Mortgage-backed securities
Total debt securities	56,123
Total securities	56,123	57,988	57,533
Due within one year	355
Due after one year but within five years	3,484
Due after five years but within ten years	32,653
Due after ten years	25,385
Total debt securities	61,877
Total securities	$ 61,877	$ 62,754	$ 61,512