XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.1

Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Summary of the Company's RSU and PRSU awards

​

​	​	​	​	​	​	​	​	​	​	​
​		RSU Awards					PRSU Awards
​	​	​		Weighted-Average		​	​		Weighted-Average
​	​	​		Grant-Date		​	​		Grant-Date
​		Shares		Fair Value			Shares		Fair Value
​	​	​	​	​	​	​	​	​	​	​
Non-vested at December 31, 2020		336,898	​	$	23.48		66,580	​	$	21.26
Granted		238,985	​		18.44		62,790	​		18.46
Vested		(226,346)	​		21.29		(35,070)	​		18.81
Forfeited		(1,840)	​		20.38		—	​		—
Non-vested at March 31, 2021		347,697	​	$	21.45		94,300	​	$	20.31
Vested but unissued at March 31, 2021		211,931	​	$	21.22		102,185	​	$	20.48

Phantom Share Units (PSUs) [Member]

Notes Tables

Summary of the Phantom Stock Plan

​

​	​	​	​	​	​
Phantom Stock Plan		Shares		Fair Value
Outstanding at December 31, 2020		120,248	​	$	16.64
Granted		7,828	​		19.15
Distributions		(1,389)	​		16.84
Outstanding at March 31, 2021		126,687	​	$	21.23
Vested at March 31, 2021		126,566	​	$	21.23

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ 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 (e)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PhantomShareUnitsPSUsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: