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Securities (Non-Agency Collateralized Mortgage Obligations) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012
Schedule of Held-to-maturity Securities [Line Items] |  |
Book Value | $ 23,490 | [1]
Original, Credit Support % | 4.00% |
Current, Credit Support % | 9.60% |
Original %, LTV, Subordination Data | 54.70% |
Original Credit Score, Subordination Data | 718 |
Security 1 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2003 |
Book Value | 2,368 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 2.50% |
Current, Credit Support % | 6.30% |
30 Day, Delinquency %, Subordination Data | 1.10% |
60 Day, Delinquency %, Subordination Data | 0.40% |
90 Day, Delinquency %, Subordination Data | 0.80% |
%, Foreclosure, Subordination Data | 0.90% |
%, OREO, Subordination Data | 0.00% |
%, Bankruptcy, Subordination Data | 1.60% |
%, Total Delinquency, Subordination Data | 4.90% |
Original %, LTV, Subordination Data | 51.30% |
Original Credit Score, Subordination Data | 736 |
Security 2 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2003 |
Book Value | 1,759 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 4.30% |
Current, Credit Support % | 17.00% |
30 Day, Delinquency %, Subordination Data | 2.20% |
60 Day, Delinquency %, Subordination Data | 1.20% |
90 Day, Delinquency %, Subordination Data | 3.60% |
%, Foreclosure, Subordination Data | 3.30% |
%, OREO, Subordination Data | 0.70% |
%, Bankruptcy, Subordination Data | 1.30% |
%, Total Delinquency, Subordination Data | 12.20% |
Original %, LTV, Subordination Data | 55.30% |
Original Credit Score, Subordination Data | 709 |
Security 3 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2003 |
Book Value | 1,075 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 2.00% |
Current, Credit Support % | 7.00% |
30 Day, Delinquency %, Subordination Data | 0.50% |
60 Day, Delinquency %, Subordination Data | 0.60% |
90 Day, Delinquency %, Subordination Data | 0.30% |
%, Foreclosure, Subordination Data | 3.60% |
%, OREO, Subordination Data | 0.00% |
%, Bankruptcy, Subordination Data | 0.50% |
%, Total Delinquency, Subordination Data | 5.50% |
Original %, LTV, Subordination Data | 46.40% |
Original Credit Score, Subordination Data | 740 |
Security 4 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2003 |
Book Value | 1,081 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 2.70% |
Current, Credit Support % | 19.30% |
30 Day, Delinquency %, Subordination Data | 2.30% |
60 Day, Delinquency %, Subordination Data | 0.00% |
90 Day, Delinquency %, Subordination Data | 0.20% |
%, Foreclosure, Subordination Data | 3.10% |
%, OREO, Subordination Data | 0.60% |
%, Bankruptcy, Subordination Data | 2.20% |
%, Total Delinquency, Subordination Data | 8.40% |
Original %, LTV, Subordination Data | 48.90% |
Security 5 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2003 |
Book Value | 3,838 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 2.50% |
Current, Credit Support % | 5.00% |
30 Day, Delinquency %, Subordination Data | 1.00% |
60 Day, Delinquency %, Subordination Data | 0.20% |
90 Day, Delinquency %, Subordination Data | 0.90% |
%, Foreclosure, Subordination Data | 1.60% |
%, OREO, Subordination Data | 0.00% |
%, Bankruptcy, Subordination Data | 0.60% |
%, Total Delinquency, Subordination Data | 4.40% |
Original %, LTV, Subordination Data | 50.50% |
Original Credit Score, Subordination Data | 731 |
Security 6 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2004 |
Book Value | 3,269 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | Baa2 |
Original, Credit Support % | 7.00% |
Current, Credit Support % | 20.50% |
30 Day, Delinquency %, Subordination Data | 2.20% |
60 Day, Delinquency %, Subordination Data | 0.80% |
90 Day, Delinquency %, Subordination Data | 2.70% |
%, Foreclosure, Subordination Data | 10.00% |
%, OREO, Subordination Data | 0.70% |
%, Bankruptcy, Subordination Data | 0.90% |
%, Total Delinquency, Subordination Data | 17.30% |
Original %, LTV, Subordination Data | 54.60% |
Original Credit Score, Subordination Data | 690 |
Security 7 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2004 |
Book Value | 2,087 | [1]
S&P, Credit Rating | AA+ |
Moody's, Credit Rating | n/a |
Original, Credit Support % | 5.30% |
Current, Credit Support % | 10.40% |
30 Day, Delinquency %, Subordination Data | 0.30% |
60 Day, Delinquency %, Subordination Data | 0.00% |
90 Day, Delinquency %, Subordination Data | 3.10% |
%, Foreclosure, Subordination Data | 4.00% |
%, OREO, Subordination Data | 0.00% |
%, Bankruptcy, Subordination Data | 1.10% |
%, Total Delinquency, Subordination Data | 8.50% |
Original %, LTV, Subordination Data | 45.80% |
Original Credit Score, Subordination Data | 732 |
Security 8 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2004 |
Book Value | 971 | [1]
S&P, Credit Rating | n/a |
Moody's, Credit Rating | A1 |
Original, Credit Support % | 2.50% |
Current, Credit Support % | 9.30% |
30 Day, Delinquency %, Subordination Data | 1.20% |
60 Day, Delinquency %, Subordination Data | 0.00% |
90 Day, Delinquency %, Subordination Data | 1.20% |
%, Foreclosure, Subordination Data | 5.90% |
%, OREO, Subordination Data | 0.00% |
%, Bankruptcy, Subordination Data | 0.00% |
%, Total Delinquency, Subordination Data | 8.40% |
Original %, LTV, Subordination Data | 54.60% |
Original Credit Score, Subordination Data | 733 |
Security 9 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2004 |
Book Value | 1,522 | [1]
S&P, Credit Rating | AAA |
Moody's, Credit Rating | Baa2 |
Original, Credit Support % | 4.40% |
Current, Credit Support % | 9.40% |
30 Day, Delinquency %, Subordination Data | 1.50% |
60 Day, Delinquency %, Subordination Data | 0.90% |
90 Day, Delinquency %, Subordination Data | 0.60% |
%, Foreclosure, Subordination Data | 2.80% |
%, OREO, Subordination Data | 0.40% |
%, Bankruptcy, Subordination Data | 1.30% |
%, Total Delinquency, Subordination Data | 7.40% |
Original %, LTV, Subordination Data | 54.50% |
Original Credit Score, Subordination Data | 733 |
Security 10 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Original Year | 2005 |
Book Value | 5,520 | [1]
S&P, Credit Rating | CCC |
Moody's, Credit Rating | Caa1 |
Original, Credit Support % | 5.10% |
Current, Credit Support % | 4.00% |
30 Day, Delinquency %, Subordination Data | 4.50% |
60 Day, Delinquency %, Subordination Data | 0.80% |
90 Day, Delinquency %, Subordination Data | 6.80% |
%, Foreclosure, Subordination Data | 11.60% |
%, OREO, Subordination Data | 2.00% |
%, Bankruptcy, Subordination Data | 2.60% |
%, Total Delinquency, Subordination Data | 28.30% |
Original %, LTV, Subordination Data | 65.10% |
Original Credit Score, Subordination Data | 705 |
Baa2 [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Book Value | $ 28 |
[1] | One acquired available for sale non-agency CMO with a March 31, 2012 book value of $28 is not included in the above table. The bond rating at acquisition was AAA and is now Baa2. This non-agency CMO is current with regards to principal and interest.

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