|
Investment Securities (Details) (USD $)
In Thousands, unless otherwise specified
|
Sep. 30, 2012
|
Dec. 31, 2011
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
$ 517,088 |
$ 491,615 |
| Unrealized Gains |
16,425 |
12,559 |
| Unrealized Losses |
(16,352) |
(21,744) |
| Fair Value |
517,161 |
482,430 |
| OTTI in AOCI(1) |
(3,018) |
(5,950) |
|
Municipal securities [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
147,134 |
131,498 |
| Unrealized Gains |
8,801 |
6,317 |
| Unrealized Losses |
(7) |
|
| Fair Value |
155,928 |
137,815 |
|
Single issue trust preferred securities [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
55,692 |
55,649 |
| Unrealized Losses |
(13,095) |
(15,405) |
| Fair Value |
42,597 |
40,244 |
|
Corporate FDIC insured securities [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
13,467 |
13,685 |
| Unrealized Gains |
12 |
33 |
| Fair Value |
13,479 |
13,718 |
|
Mortgage-backed securities Agency [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
281,009 |
274,384 |
| Unrealized Gains |
7,394 |
6,003 |
| Unrealized Losses |
(120) |
(285) |
| Fair Value |
288,283 |
280,102 |
|
Mortgage-backed securities Non-Agency Alt-A residential [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
14,230 |
15,980 |
| Unrealized Losses |
(3,018) |
(5,950) |
| Fair Value |
11,212 |
10,030 |
| OTTI in AOCI(1) |
(3,018) |
(5,950) |
|
Total Mortgage-backed securities [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
295,239 |
290,364 |
| Unrealized Gains |
7,394 |
6,003 |
| Unrealized Losses |
(3,138) |
(6,235) |
| Fair Value |
299,495 |
290,132 |
| OTTI in AOCI(1) |
(3,018) |
(5,950) |
|
Equity Securities [Member]
|
|
|
| Amortized cost and estimated fair value of available-for-sale securities, including gross unrealized gains and losses |
|
|
| Amortized Cost |
5,556 |
419 |
| Unrealized Gains |
218 |
206 |
| Unrealized Losses |
(112) |
(104) |
| Fair Value |
$ 5,662 |
$ 521 |