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Real Estate and Other Assets Acquired in Settlement of Loans (Detail Textuals) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Other Real Estate [Abstract]    
Net charge-offs against allowance for loan losses $ 335,000hwbk_NetChargeOffsAllowanceForLoanLosses $ 800,000hwbk_NetChargeOffsAllowanceForLoanLosses