Unit-Based Compensation	3 Months Ended
Mar. 31, 2022
Unit-Based Compensation [Abstract]
Unit-Based Compensation	5. UNIT-BASED COMPENSATION The partnership has a long-term incentive plan (LTIP) intended to promote the interests of the partnership, its general partner and affiliates by providing unit-based incentive compensation awards to employees, consultants and directors to encourage superior performance. The LTIP reserves 2,500,000 common limited partner units for issuance in the form of options, restricted units, phantom units, distribution equivalent rights, substitute awards, unit appreciation rights, unit awards, profit interest units or other unit-based awards. The partnership measures unit-based compensation at fair value on the grant date, with no adjustments for estimated forfeitures. The partnership records noncash compensation expense related to the awards over the requisite service period on a straight-line basis. There was no change in the number of non-vested unit-based awards for the three months ended March 31, 2022. Compensation costs related to the unit-based awards of $59 thousand and $79 thousand were recognized during the three months ended March 31, 2022 and 2021, respectively. As of March 31, 2022, there was $60 thousand of unrecognized compensation costs from unit-based compensation awards.

Unit-Based Compensation

3 Months Ended

Mar. 31, 2022

5. UNIT-BASED COMPENSATION

The partnership has a long-term incentive plan (LTIP) intended to promote the interests of the partnership, its general partner and affiliates by providing unit-based incentive compensation awards to employees, consultants and directors to encourage superior performance. The LTIP reserves 2,500,000 common limited partner units for issuance in the form of options, restricted units, phantom units, distribution equivalent rights, substitute awards, unit appreciation rights, unit awards, profit interest units or other unit-based awards. The partnership measures unit-based compensation at fair value on the grant date, with no adjustments for estimated forfeitures. The partnership records noncash compensation expense related to the awards over the requisite service period on a straight-line basis.

There was no change in the number of non-vested unit-based awards for the three months ended March 31, 2022.

Compensation costs related to the unit-based awards of $59 thousand and $79 thousand were recognized during the three months ended March 31, 2022 and 2021, respectively. As of March 31, 2022, there was $60 thousand of unrecognized compensation costs from unit-based compensation awards.