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Federal funds purchased and securities sold under agreements to repurchase | 9 Months Ended
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Sep. 30, 2017
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Abstract] |
Federal funds purchased and securities sold under agreements to repurchase |
(6) | Federal funds purchased and securities sold under agreements to repurchase
|  | September 30, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Federal funds purchased |  | $ | 0 |  |  | $ | 992 |
Repurchase agreements |  |  | 32,555 |  |  |  | 30,023 |
Total |  | $ | 32,555 |  |  | $ | 31,015 |
The Company offers a sweep account program whereby amounts in excess of an established limit are “swept” from the customer’s demand deposit account on a daily basis into retail repurchase agreements pursuant to individual repurchase agreements between the Company and its customers. Repurchase agreements are agreements to sell securities subject to an obligation to repurchase the same or similar securities. They are accounted for as collateralized financing transactions, not as sales and purchases of the securities portfolio. The securities collateral pledged for the repurchase agreements with customers is maintained by a designated third party custodian. The collateral amounts pledged to repurchase agreements by remaining maturity in the table below are limited to the outstanding balances of the related asset or liability; thus amounts of excess collateral are not shown.
Repurchase Agreements |  | Remaining Contractual Maturity of the Agreements |
|  | Overnight |  |  | Less |  |  | Greater |  |  |  |
|  | and |  |  | than |  |  | than |  |  |  |
(in thousands) |  | continuous |  |  | 90 days |  |  | 90 days |  |  | Total |
At September 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and federal agency obligations |  | $ | 3,225 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 3,225 |
Government sponsored enterprises |  |  | 9,134 |  |  |  | 0 |  |  |  | 0 |  |  |  | 9,134 |
Asset-backed securities |  |  | 20,196 |  |  |  | 0 |  |  |  | 0 |  |  |  | 20,196 |
Total |  | $ | 32,555 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 32,555 |
At December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. government and federal agency obligations |  | $ | 3,489 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 3,489 |
Government sponsored enterprises |  |  | 7,324 |  |  |  | 0 |  |  |  | 0 |  |  |  | 7,324 |
Asset-backed securities |  |  | 19,210 |  |  |  | 0 |  |  |  | 0 |  |  |  | 19,210 |
Total |  | $ | 30,023 |  |  | $ | 0 |  |  | $ | 0 |  |  | $ | 30,023 |

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- Definition Disclosure related to federal funds purchased and securities sold under agreements to repurchase. + References No definition available. + Details
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Namespace Prefix: | hwbk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration