Performance Based Plan Vested Rollforward (Details) - Vested - shares	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Performance Share Rollforward [Line Items]
Vested LTIP Performance Awards Outstanding	322,569	243,171
Total RSUs Vested in Period	185,232
Completed Holding Period	(105,834)

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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 (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration