XML 55 R83.htm IDEA: XBRL DOCUMENT v2.4.1.9
Commitments and Contingencies - Summary of Company's Commitments (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]      
Commitments to extend credit $ 328,191abcb_CommitmentsToExtendCredit $ 293,517abcb_CommitmentsToExtendCredit $ 235,367abcb_CommitmentsToExtendCredit
Unused lines of credit 143,962abcb_UnusedLinesOfCredit 49,567abcb_UnusedLinesOfCredit 35,705abcb_UnusedLinesOfCredit
Financial standby letters of credit 10,548abcb_LetterOfCreditMaximumIssuance 9,683abcb_LetterOfCreditMaximumIssuance 7,961abcb_LetterOfCreditMaximumIssuance
Mortgage interest rate lock commitments $ 91,482abcb_MortgageInterestRateLockCommitments $ 38,868abcb_MortgageInterestRateLockCommitments $ 64,759abcb_MortgageInterestRateLockCommitments