v3.21.2

Long-Term Debt (Tables) | 6 Months Ended
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Jun. 30, 2021
Debt Disclosure [Abstract] |
Schedule of outstanding senior notes issuances | The following tables detail the issuances of Senior Notes outstanding at June 30, 2021 and December 31, 2020:
June 30, 2021 |  | 2016 Senior Notes |  | 2013 Senior Notes |  | Total
Principal amount |  | $ | 110,000 |  |  | $ | 152,500 |  |  | $ | 262,500 |
Less: unamortized issuance costs |  | 3,489 |  |  | 3,775 |  |  | 7,264 |
Carrying value |  | $ | 106,511 |  |  | $ | 148,725 |  |  | $ | 255,236 |
December 31, 2020 |  | 2016 Senior Notes |  | 2013 Senior Notes |  | Total
Principal amount |  | $ | 110,000 |  |  | $ | 152,500 |  |  | $ | 262,500 |
Less: unamortized issuance costs |  | 3,516 |  |  | 3,858 |  |  | 7,374 |
Carrying value |  | $ | 106,484 |  |  | $ | 148,642 |  |  | $ | 255,126 |
Other details: |  |  |  |  |  |
Original debt issuance costs |  | $ | 3,715 |  |  | $ | 5,054 |  |  |
Maturity date |  | June 14, 2046 |  | December 1, 2043 |  |
Earliest redeemable date (for cash) |  | June 14, 2021 |  | December 1, 2018 |  |
Coupon rate |  | 6.625 | % |  | 7.75 | % |  |
Effective interest rate |  | 7.07 | % |  | 8.04 | % |  |

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