Annual report pursuant to Section 13 and 15(d)

PARENT COMPANY FINANCIAL INFORMATION (Condensed Balance Sheets) (Detail)

v2.4.1.9
PARENT COMPANY FINANCIAL INFORMATION (Condensed Balance Sheets) (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
ASSETS        
Cash and due from banks $ 48,519us-gaap_CashAndDueFromBanks $ 61,370us-gaap_CashAndDueFromBanks    
Other assets 11,543us-gaap_OtherAssets 12,213us-gaap_OtherAssets    
Total assets 4,098,679us-gaap_Assets 3,520,699us-gaap_Assets    
Liabilities:        
Other liabilities 7,078us-gaap_OtherLiabilities 8,776us-gaap_OtherLiabilities    
Total liabilities 3,691,466us-gaap_Liabilities 3,223,507us-gaap_Liabilities    
Common stock, par value $.001 per share; 50,000,000 shares authorized; 24,801,518 shares issued and outstanding at December 31, 2014 and 22,050,036 shares issued and outstanding at December 31, 2013 25us-gaap_CommonStockValue 7us-gaap_CommonStockValue    
Additional paid-in capital 185,397us-gaap_AdditionalPaidInCapital 123,325us-gaap_AdditionalPaidInCapital    
Retained earnings 177,091us-gaap_RetainedEarningsAccumulatedDeficit 130,011us-gaap_RetainedEarningsAccumulatedDeficit    
Accumulated other comprehensive income 4,490us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 3,891us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax    
Total stockholders' equity 407,213us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 297,192us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 233,257us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 196,292us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total liabilites and stockholders' equity 4,098,679us-gaap_LiabilitiesAndStockholdersEquity 3,520,699us-gaap_LiabilitiesAndStockholdersEquity    
Parent Company [Member]        
ASSETS        
Cash and due from banks 61,611us-gaap_CashAndDueFromBanks
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
2,562us-gaap_CashAndDueFromBanks
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Investment in subsidiary 366,609us-gaap_EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
314,489us-gaap_EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Other assets 51us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
194us-gaap_OtherAssets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total assets 428,271us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
317,245us-gaap_Assets
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Liabilities:        
Other borrowings 19,973us-gaap_DebtAndCapitalLeaseObligations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
19,940us-gaap_DebtAndCapitalLeaseObligations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Other liabilities 1,337us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
113us-gaap_OtherLiabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total liabilities 21,310us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
20,053us-gaap_Liabilities
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Preferred stock, Series A Senior Non-Cumulative Perpetual, par value $.001 (liquidation preference $1,000), net of discount; 40,000 shares authorized, 40,000 shares issued and outstanding at December 31, 2014 and 2013 39,958us-gaap_PreferredStockValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
39,958us-gaap_PreferredStockValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Common stock, par value $.001 per share; 50,000,000 shares authorized; 24,801,518 shares issued and outstanding at December 31, 2014 and 22,050,036 shares issued and outstanding at December 31, 2013 25us-gaap_CommonStockValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
7us-gaap_CommonStockValue
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Additional paid-in capital 185,397us-gaap_AdditionalPaidInCapital
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
123,325us-gaap_AdditionalPaidInCapital
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Retained earnings 177,091us-gaap_RetainedEarningsAccumulatedDeficit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
130,011us-gaap_RetainedEarningsAccumulatedDeficit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Accumulated other comprehensive income 4,490us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
3,891us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total stockholders' equity 406,961us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
297,192us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
   
Total liabilites and stockholders' equity $ 428,271us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
$ 317,245us-gaap_LiabilitiesAndStockholdersEquity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember