Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Securities Available for Sale - Amortized Cost
Due within one year
Due after one year but within five years	20,498
Due after five years but within ten years
Due after ten years	1,000
Mortgage-backed securities	149,070
Total debt securities	170,568
Equity securities	3,985
Total securities	174,553	164,063
Securities Available for Sale - Fair Value
Due within one year
Due after one year but within five years	20,412
Due after five years but within ten years
Due after ten years	600
Mortgage-backed securities	147,523
Total debt securities	168,535
Equity securities	4,000
Total securities	172,535	167,352	161,407
Securities Held to Maturity - Amortized Cost
Due within one year
Due after one year but within five years	5,426
Due after five years but within ten years	35,388
Due after ten years	13,240
Mortgage-backed securities
Total debt securities	54,054	56,064	56,123
Total securities	54,054
Securities Held to Maturity - Fair Value
Due within one year
Due after one year but within five years	5,798
Due after five years but within ten years	37,261
Due after ten years	13,765
Mortgage-backed securities
Total debt securities	56,824
Securities held to maturity	$ 56,824	$ 61,496	$ 61,877