Represents the age threshold for accelerated vesting of share-based compensation awards.

No definition available.

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- Definition

Represents the length of service threshold for accelerated vesting of share-based compensation awards.

+ References

No definition available.

+ Details

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

+ Details

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Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

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- Details

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- Details

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- Details

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DEFERRED COMPENSATION EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Additional disclosures
Deferred compensation expense	$ 354	$ 294	$ 1,265	$ 1,093
TMS
Additional disclosures
Deferred compensation expense			$ 1,300	$ 1,100
TMS \| Restricted phantom units
Additional disclosures
Vesting (as a percent)			50.00%
TMS \| Restricted phantom units \| Tranche One
Additional disclosures
Earlier vesting, age threshold (in years)			60 years
TMS \| Restricted phantom units \| Tranche Two
Additional disclosures
Earlier vesting, age threshold (in years)			55 years
Earlier vesting, length of service threshold (in years)			10 years
TMS \| Restricted phantom units \| Tranche Three
Additional disclosures
Earlier vesting, age threshold (in years)			50 years
Earlier vesting, length of service threshold (in years)			20 years