|
Loans By Performance Status (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | $ 2,161,130 | $ 1,830,742 |
|
Commercial Financial And Agricultural Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 910,220 | 799,464 |
|
Commercial Real Estate Construction Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 153,351 | 151,218 |
|
Commercial Mortgage Loans Owner Occupied [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 530,350 | 398,601 |
|
One To Four Family Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 236,060 | 205,182 |
|
Other Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 288,677 | 235,251 |
|
Residential Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 1,055,087 | 839,034 |
|
Consumer Portfolio Segment [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 42,472 | 41,026 |
|
Performing Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 2,147,919 | 1,816,970 |
|
Performing Financing Receivable [Member] | Commercial Financial And Agricultural Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 909,853 | 798,285 |
|
Performing Financing Receivable [Member] | Commercial Real Estate Construction Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 145,130 | 141,155 |
|
Performing Financing Receivable [Member] | Commercial Mortgage Loans Owner Occupied [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 527,393 | 397,809 |
|
Performing Financing Receivable [Member] | One To Four Family Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 235,591 | 204,512 |
|
Performing Financing Receivable [Member] | Other Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 287,644 | 234,558 |
|
Performing Financing Receivable [Member] | Residential Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 1,050,628 | 836,879 |
|
Performing Financing Receivable [Member] | Consumer Portfolio Segment [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 42,308 | 40,651 |
|
Nonperforming Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 13,211 | 13,772 |
|
Nonperforming Financing Receivable [Member] | Commercial Financial And Agricultural Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 367 | 1,179 |
|
Nonperforming Financing Receivable [Member] | Commercial Real Estate Construction Financing Receivable [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 8,221 | 10,063 |
|
Nonperforming Financing Receivable [Member] | Commercial Mortgage Loans Owner Occupied [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 2,957 | 792 |
|
Nonperforming Financing Receivable [Member] | One To Four Family Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 469 | 670 |
|
Nonperforming Financing Receivable [Member] | Other Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 1,033 | 693 |
|
Nonperforming Financing Receivable [Member] | Residential Real Estate Mortgage Loans [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | 4,459 | 2,155 |
|
Nonperforming Financing Receivable [Member] | Consumer Portfolio Segment [Member]
|
||
| Financing Receivable, Recorded Investment [Line Items] | ||
| Loans | $ 164 | $ 375 |