Loans (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Summary of gross loans and commercial loans
Total loans	$ 738,432	$ 787,736
Percentage of loans and leases receivable gross carrying amount	100.00%	100.00%
Less: other loans held for sale	(14,446)	(14,178)
Loans, gross	723,986	773,558
Commercial real estate [Member]
Summary of gross loans and commercial loans
Total loans	451,764	492,754
Percentage of loans and leases receivable gross carrying amount	61.20%	62.60%
Single-family residential [Member]
Summary of gross loans and commercial loans
Total loans	175,335	185,504
Percentage of loans and leases receivable gross carrying amount	23.70%	23.50%
Commercial and industrial [Member]
Summary of gross loans and commercial loans
Total loans	49,763	49,381
Percentage of loans and leases receivable gross carrying amount	6.70%	6.30%
Consumer [Member]
Summary of gross loans and commercial loans
Total loans	52,044	52,771
Percentage of loans and leases receivable gross carrying amount	7.10%	6.70%
Other [Member]
Summary of gross loans and commercial loans
Total loans	9,526	7,326
Percentage of loans and leases receivable gross carrying amount	1.30%	0.90%
Loans, gross	$ 8,692	$ 7,326