Long-Term Debt	6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]
Long-Term Debt	Long-Term Debt As of June 30, 2019 and December 31, 2018, we had $18.7 million and $14.2 million of borrowings outstanding under the Texas Capital Facility. As of June 30, 2019, we had the ability to borrow an additional $0.5 million under the facility. Credit Facilities On April 17, 2017, we entered into a secured credit facility with Texas Capital Bank, N.A., that provided a $20 million revolving credit facility (the "Texas Capital Credit Facility") and letters of credit issued by Texas Capital Bank up to $5.0 million. The Texas Capital Credit Facility will be used for general corporate purposes. The Texas Capital Credit Facility is secured by substantially all of the company's assets and its material domestic subsidiaries. The Texas Capital Credit Facility is guaranteed by HHS Guaranty, LLC, an entity formed to provide credit support for Harte Hanks by certain members of the Shelton family (descendants of one of our founders). Under the Texas Capital Credit Facility, we can elect to accrue interest on outstanding principal balances at either LIBOR plus 1.95% or prime plus 0.75%. Unused credit balances accrue interest at 0.50%. We are required to pay a quarterly fee of $0.1 million as consideration for the collateral balances provided by HHS Guaranty, LLC. The Texas Capital Credit Facility is subject to customary covenants requiring insurance, legal compliance, payment of taxes, prohibition of second liens, and secondary indebtedness, as well as the filing of quarterly and annual financial statements. The Texas Capital Credit Facility originally had an expiration date of April 17, 2019, at which point all outstanding amounts would have been due. On January 9, 2018, we entered into an amendment to the Texas Capital Credit Facility that increased the borrowing capacity to $22 million and extended the maturity by one year to April 17, 2020. On May 7, 2019, we entered into an amendment to the Texas Capital Credit Facility which further extended the maturity of the facility by one year to April 17, 2021. The Texas Capital Credit Facility remains secured by substantially all of our assets and continues to be guaranteed by HHS Guaranty, LLC. At June 30, 2019, we had letters of credit outstanding in the amount of $2.8 million. No amounts were drawn against these letters of credit at June 30, 2019. These letters of credit exist to support insurance programs relating to workers’ compensation, automobile, and general liability.

Long-Term Debt

As of June 30, 2019 and December 31, 2018, we had $18.7 million and $14.2 million of borrowings outstanding under the Texas Capital Facility. As of June 30, 2019, we had the ability to borrow an additional $0.5 million under the facility.

Credit Facilities

On April 17, 2017, we entered into a secured credit facility with Texas Capital Bank, N.A., that provided a $20 million revolving credit facility (the "Texas Capital Credit Facility") and letters of credit issued by Texas Capital Bank up to $5.0 million. The Texas Capital Credit Facility will be used for general corporate purposes. The Texas Capital Credit Facility is secured by substantially all of the company's assets and its material domestic subsidiaries. The Texas Capital Credit Facility is guaranteed by HHS Guaranty, LLC, an entity formed to provide credit support for Harte Hanks by certain members of the Shelton family (descendants of one of our founders).

Under the Texas Capital Credit Facility, we can elect to accrue interest on outstanding principal balances at either LIBOR plus 1.95% or prime plus 0.75%. Unused credit balances accrue interest at 0.50%. We are required to pay a quarterly fee of $0.1 million as consideration for the collateral balances provided by HHS Guaranty, LLC.

The Texas Capital Credit Facility is subject to customary covenants requiring insurance, legal compliance, payment of taxes, prohibition of second liens, and secondary indebtedness, as well as the filing of quarterly and annual financial statements.

The Texas Capital Credit Facility originally had an expiration date of April 17, 2019, at which point all outstanding amounts would have been due. On January 9, 2018, we entered into an amendment to the Texas Capital Credit Facility that increased the borrowing capacity to $22 million and extended the maturity by one year to April 17, 2020. On May 7, 2019, we entered into an amendment to the Texas Capital Credit Facility which further extended the maturity of the facility by one year to April 17, 2021. The Texas Capital Credit Facility remains secured by substantially all of our assets and continues to be guaranteed by HHS Guaranty, LLC.

At June 30, 2019, we had letters of credit outstanding in the amount of $2.8 million. No amounts were drawn against these letters of credit at June 30, 2019. These letters of credit exist to support insurance programs relating to workers’ compensation, automobile, and general liability.