Borrowings (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
FHLB Advances:
Overnight borrowings	$ 0	$ 0
Single maturity fixed rate advances	20,000	20,000
Putable advances	44,000	44,000
Strike-rate advances	17,000	17,000
Amortizable mortgage advances	807	841
Total	81,807	81,841
Junior subordinated debentures owed to unconsolidated subsidiary trusts	$ 36,083	$ 36,083