Loans and Allowance for Credit Losses - Schedule of Past Due Loans with Age Analysis, Segregated by Class of Loans (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
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Dec. 31, 2010
|
Dec. 31, 2009
|
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | $ 39,635 | $ 21,342 | |||
90 or More Days | 4,947 | 331 | |||
Total Past Due Loans | 44,582 | 21,673 | |||
Nonaccrual Loans | 10,231 | 5,382 | 3,578 | 4,439 | 6,079 |
Current Loans | 7,720,408 | 5,152,885 | |||
Total Loans | 7,775,221 | 5,179,940 | |||
Construction, land development and other land loans [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 6,258 | 3,863 | |||
90 or More Days | 2 | ||||
Total Past Due Loans | 6,260 | 3,863 | |||
Nonaccrual Loans | 386 | 1,170 | |||
Current Loans | 858,865 | 545,735 | |||
Total Loans | 865,511 | 550,768 | |||
Agriculture and Agriculture Real Estate (Includes Farmland) [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 5,634 | 310 | |||
90 or More Days | 218 | 21 | |||
Total Past Due Loans | 5,852 | 331 | |||
Nonaccrual Loans | 62 | 396 | |||
Current Loans | 525,344 | 284,910 | |||
Total Loans | 531,258 | 285,637 | |||
1-4 Family residential (includes home equity) [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 8,684 | 2,307 | |||
90 or More Days | 2,012 | 310 | |||
Total Past Due Loans | 10,696 | 2,617 | |||
Nonaccrual Loans | 3,086 | 1,598 | |||
Current Loans | 2,117,938 | 1,438,351 | |||
Total Loans | 2,131,720 | 1,442,566 | |||
Commercial Real Estate (Includes Multi-Family Residential) [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 8,163 | 9,163 | |||
90 or More Days | 1,752 | ||||
Total Past Due Loans | 9,915 | 9,163 | |||
Nonaccrual Loans | 4,333 | ||||
Current Loans | 2,739,549 | 1,981,479 | |||
Total Loans | 2,753,797 | 1,990,642 | |||
Commercial and Industrial [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 9,552 | 4,843 | |||
90 or More Days | 933 | ||||
Total Past Due Loans | 10,485 | 4,843 | |||
Nonaccrual Loans | 2,208 | 1,469 | |||
Current Loans | 1,267,084 | 764,802 | |||
Total Loans | 1,279,777 | 771,114 | |||
Consumer and other [Member]
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Financing Receivable, Recorded Investment, Past Due [Line Items] | |||||
30-89 Days | 1,344 | 856 | |||
90 or More Days | 30 | ||||
Total Past Due Loans | 1,374 | 856 | |||
Nonaccrual Loans | 156 | 749 | |||
Current Loans | 211,628 | 137,608 | |||
Total Loans | $ 213,158 | $ 139,213 |