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v3.20.1

Partners' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands | 7 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 20, 2015 | Oct. 23, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Related Party Transaction |  |  |  |  |
Common unitholders - units issued |  |  | 35,490,000 | 35,490,000 |
Common unitholders - units outstanding |  |  | 35,490,000 | 35,490,000 |
General Partner unitholders - units issued |  |  | 35,526 | 35,526 |
General Partner unitholders - units outstanding |  |  | 35,526 | 35,526 |
Total distributions paid to all classes of unitholders |  |  | $ 16,391 | $ 48,422 | $ 66,857
Issuance of Series A preferred units, net of issuance costs paid |  |  | $ 0 | $ 53,138 | 0
Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Units issued |  |  | 3,000,000 | 3,000,000 |
Units outstanding |  |  | 3,000,000 | 3,000,000 |
Issuance of preferred units in public offering | 3,000,000 |  |  |  |
Preferred stock liquidation preference | $ 25 |  |  |  |
Proceeds from issuance of preferred units, net of offering costs | $ 72,300 |  |  |  |
Offering costs | 300 |  |  |  |
Underwriting discounts and commissions | $ 2,400 |  |  |  |
Fixed payment rate per annum |  |  | 9.00% |  |
Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Units issued |  |  | 2,200,000 | 2,200,000 |
Units outstanding |  |  | 2,200,000 | 2,200,000 |
Issuance of preferred units in public offering |  | 2,200,000 |  | 2,200,000 |
Preferred stock liquidation preference |  | $ 25 |  |  |
Proceeds from issuance of preferred units, net of offering costs |  | $ 53,000 |  |  |
Underwriting discounts and commissions |  | $ 2,000 |  |  |
After subordination period |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution payment terms |  |  | First, 100% to the holders of common units and to the General Partner in accordance with their relative percentage interests, until the distributed amount in respect of each common unit equals the minimum quarterly distribution; and second, 100% to the holders of common units and to the General Partner in accordance with their relative percentage interests, until each unit has received an aggregate distribution of a specified dollar amount. |  |
Any time on or after August 12, 2020 | Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Redemption price per share |  |  | $ 25 |  |
From and including November 22, 2023 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Preferred stock dividend payment rate description |  |  | 3-month LIBOR plus a spread of 5.593% |  |
Floating rate per annum |  |  | 5.593% |  |
Any time on or after November 22, 2023 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Redemption price per share |  |  | $ 25 |  |
Distribution 1 - FY 2018 |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Apr. 18, 2018 |  |
Distributions paid, Per unit |  |  | $ 0.25 |  |
Distributions per unit declared - distribution date |  |  | May 03, 2018 |  |
Distributions per unit declared - record date |  |  | Apr. 26, 2018 |  |
Distribution from and including original issue date to, but excluding, November 22, 2023 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Fixed payment rate per annum |  |  | 8.75% |  |
Distribution 1 - FY 2019 |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Jan. 25, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.0625 |  |
Distributions per unit declared - distribution date |  |  | Feb. 14, 2019 |  |
Distributions per unit declared - record date |  |  | Feb. 07, 2019 |  |
Distribution 2 - FY 2019 |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Apr. 24, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.0625 |  |
Total distributions paid to all classes of unitholders |  |  | $ 2,200 |  |
Distributions per unit declared - distribution date |  |  | May 10, 2019 |  |
Distributions per unit declared - record date |  |  | May 03, 2019 |  |
Distribution from November 12, 2018 to February 11, 2019 | Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Jan. 21, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.5625 |  |
Distributions per unit declared - distribution date |  |  | Feb. 12, 2019 |  |
Distributions per unit declared - record date |  |  | Feb. 05, 2019 |  |
Distribution from February 12, 2019 to May 11, 2019 | Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Apr. 25, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.5625 |  |
Distributions per unit declared - distribution date |  |  | May 13, 2019 |  |
Distributions per unit declared - record date |  |  | May 06, 2019 |  |
Distribution from May 12, 2019 to August 11, 2019 | Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Jul. 22, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.5625 |  |
Distributions per unit declared - distribution date |  |  | Aug. 11, 2019 |  |
Distributions per unit declared - record date |  |  | Aug. 05, 2019 |  |
Distribution from August 12, 2019 to November 11, 2019 | Series A Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Oct. 22, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.5625 |  |
Distributions per unit declared - distribution date |  |  | Nov. 12, 2019 |  |
Distributions per unit declared - record date |  |  | Nov. 05, 2019 |  |
Distribution from October 23, 2018 to February 21, 2019 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Jan. 31, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.7231 |  |
Distributions per unit declared - distribution date |  |  | Feb. 22, 2019 |  |
Distributions per unit declared - record date |  |  | Feb. 15, 2019 |  |
Distribution from February 22, 2019 to May 21, 2019 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Apr. 30, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.546875 |  |
Distributions per unit declared - distribution date |  |  | May 22, 2019 |  |
Distributions per unit declared - record date |  |  | May 15, 2019 |  |
Distribution from May 22, 2019 to August 21, 2019 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Jul. 30, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.546875 |  |
Distributions per unit declared - distribution date |  |  | Aug. 22, 2019 |  |
Distributions per unit declared - record date |  |  | Aug. 15, 2019 |  |
Distribution from August 22, 2019 to November 21, 2019 | Series B Preferred |  |  |  |  |
Related Party Transaction |  |  |  |  |
Distribution Made To Limited Partner And General Partner Announcement Date |  |  | Oct. 30, 2019 |  |
Distributions paid, Per unit |  |  | $ 0.546875 |  |
Distributions per unit declared - distribution date |  |  | Nov. 22, 2019 |  |
Distributions per unit declared - record date |  |  | Nov. 15, 2019 |  |
General Partner |  |  |  |  |
Related Party Transaction |  |  |  |  |
General Partner Distributions |  |  | $ 4 | $ 59 | $ 129
Sponsor |  |  |  |  |
Related Party Transaction |  |  |  |  |
Common unitholders - units outstanding |  |  | 15,595,000 |  |

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