Revolving Credit Facility	9 Months Ended
Sep. 30, 2020
Revolving Credit Facility [Abstract]
Revolving Credit Facility	11. Revolving Credit Facility Our Second Restated Credit Agreement with Frost Bank (“Frost”) dated June 30, 2015, as amended, provided a $15.0 million revolving credit facility (“Facility A”), with a $5.0 million letter of credit sub-facility. The outstanding balance of the Facility A bore interest at a rate equal to the prime rate or LIBOR plus 2.5%, at our election. We paid an annual fee of 0.25% of the average daily unused balance of Facility A and letter of credit fees at the rate of 1.00% per annum. On August 19, 2019, we terminated Facility A. The Second Restated Credit Agreement with Frost also provided a $30.0 million revolving credit facility (“Facility B”), in addition to Facility A. We used Facility B loan proceeds solely for the purpose of making capital contributions to AHIC and HIC. We paid a quarterly fee of 0.25% per annum of the average daily unused balance of Facility B. Facility B bore interest at a rate equal to the prime rate or LIBOR plus 3.00%, at our election. On August 19, 2019, we repaid the $30.0 million principal balance and accrued interest on Facility B. Upon such repayment, we terminated Facility B.

Revolving Credit Facility

9 Months Ended

Sep. 30, 2020

Revolving Credit Facility [Abstract]

11. Revolving Credit Facility

Our Second Restated Credit Agreement with Frost Bank (“Frost”) dated June 30, 2015, as amended, provided a $15.0 million revolving credit facility (“Facility A”), with a $5.0 million letter of credit sub-facility. The outstanding balance of the Facility A bore interest at a rate equal to the prime rate or LIBOR plus 2.5%, at our election. We paid an annual fee of 0.25% of the average daily unused balance of Facility A and letter of credit fees at the rate of 1.00% per annum. On August 19, 2019, we terminated Facility A.

The Second Restated Credit Agreement with Frost also provided a $30.0 million revolving credit facility (“Facility B”), in addition to Facility A. We used Facility B loan proceeds solely for the purpose of making capital contributions to AHIC and HIC. We paid a quarterly fee of 0.25% per annum of the average daily unused balance of Facility B. Facility B bore interest at a rate equal to the prime rate or LIBOR plus 3.00%, at our election. On August 19, 2019, we repaid the $30.0 million principal balance and accrued interest on Facility B. Upon such repayment, we terminated Facility B.