| Schedule of Total Debt Outstanding |
Long-term debt consists of the following (in thousands): | | | | | | | | | | As of December 31, | | 2015 | | 2014 | Senior notes payable, 8.25% interest rate, interest payable quarterly, due May 2020 | $ | 355,000 |
| | $ | 355,000 |
| Subordinated notes payable, 6.00% interest rate, principal of $1 million plus interest payable quarterly, due November 2020 | 11,478 |
| | 17,500 |
| Capital lease obligations, 6.6% weighted average interest rate, principal and interest of $47 thousand payable monthly, expire at various dates through August 2030 | 8,417 |
| | — |
| Other notes payable | 6,254 |
| | 409 |
| Total long-term debt before unamortized debt discounts and deferred debt issuance costs | 381,149 |
| | 372,909 |
| Unamortized debt discounts | (770 | ) | | (1,014 | ) | Deferred debt issuance costs | (7,392 | ) | | (9,098 | ) | Total long-term debt | 372,987 |
| | 362,797 |
| Less: current portion of long-term debt | (8,205 | ) | | (2,438 | ) | Long-term debt, less current portion | $ | 364,782 |
| | $ | 360,359 |
|
|
| Schedule of Maturities of Long-term Debt |
As of December 31, 2015, the future minimum principal payments on long-term debt, as well as the estimated future amortization of debt discounts and debt issuance costs are as follows (in thousands):
| | | | | | | | | | | | | | Payments | | Unamortized Debt Discount | | Debt Issuance Costs | Year Ending December 31: | | | | | | 2016 | $ | 8,681 |
| | $ | (476 | ) | | $ | (1,706 | ) | 2017 | 6,773 |
| | (193 | ) | | (1,706 | ) | 2018 | 4,826 |
| | (89 | ) | | (1,706 | ) | 2019 | 1,539 |
| | (12 | ) | | (1,706 | ) | 2020 | 355,269 |
| | — |
| | (568 | ) | Thereafter | 4,061 |
| | — |
| | — |
| | $ | 381,149 |
| | $ | (770 | ) | | $ | (7,392 | ) |
|