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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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

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Stock-based Compensation - Restricted , Performance and Deferred Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended	12 Months Ended
	Sep. 22, 2021	May 19, 2021	Mar. 24, 2021	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Additional disclosures
Compensation expense recognized					$ 7,864	$ 7,135	$ 3,997
Period over which cost will be recognized					2 years 10 months 24 days	3 years
RSU awards
Shares
Non-vested at beginning of period (in shares)				1,017,038	1,017,038
Granted (in shares)					260,231
Dividend equivalents earned (in shares)					43,783
Vested (in shares)					(143,242)
Forfeited (in shares)					(29,883)
Non-vested at end of period (in shares)					1,147,927	1,017,038
Weighted-Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)				$ 23.87	$ 23.87
Granted (in dollars per share)					24.26
Dividend equivalents earned (in dollars per share)					23.65
Vested (in dollars per share)					23.50
Forfeited (in dollars per share)					24.88
Non-vested at end of period (in dollars per share)					$ 23.97	$ 23.87
Net issuance of treasury stock for restricted/deferred stock unit vesting and related tax (in shares)					116,904
Additional disclosures
Compensation expense recognized					$ 5,809	$ 6,493	3,249
DSU awards
Shares
Non-vested at beginning of period (in shares)				34,263	34,263
Granted (in shares)					35,664
Dividend equivalents earned (in shares)					4,891
Vested (in shares)					(40,683)
Non-vested at end of period (in shares)					34,135	34,263
Vested and Outstanding at end of period (in shares)					97,297
Weighted-Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)				$ 17.18	$ 17.18
Granted (in dollars per share)					24.59
Dividend equivalents earned (in dollars per share)					23.72
Vested (in dollars per share)					18.24
Non-vested at end of period (in dollars per share)					24.59	$ 17.18
Vested and Outstanding at end of period (in dollars per share)					$ 22.02
Additional disclosures
Compensation expense recognized					$ 962	$ 565	$ 602
PSU awards
Shares
Non-vested at beginning of period (in shares)				15,724	15,724
Granted (in shares)				28,344	99,159
Forfeited (in shares)					(968)
Non-vested at end of period (in shares)					113,915	15,724
Weighted-Average Grant Date Fair Value
Non-vested at beginning of period (in dollars per share)				$ 16.25	$ 16.25
Granted (in dollars per share)					23.91
Forfeited (in dollars per share)					23.48
Non-vested at end of period (in dollars per share)					$ 22.86	$ 16.25
Additional disclosures
Grant date fair value of the award				$ 700
Compensation expense recognized					$ 979	$ 77
PSU awards \| Minimum
Additional disclosures
Vesting percentage (as a percent)				0.00%
PSU awards \| Maximum
Shares
Granted (in shares)				39,682
Additional disclosures
Vesting percentage (as a percent)				140.00%
Market Based Performance Stock Units
Shares
Granted (in shares)				70,815
Additional disclosures
Grant date fair value of the award				$ 1,700
Market Based Performance Stock Units \| Minimum
Additional disclosures
Vesting percentage (as a percent)				0.00%
Market Based Performance Stock Units \| Maximum
Shares
Granted (in shares)				113,304
Additional disclosures
Vesting percentage (as a percent)				160.00%
2020 Equity Incentive Plan \| Members of management
Shares
Granted (in shares)	47,805
Additional disclosures
Grant date fair value of the award	$ 1,100
Vesting percentage (as a percent)	100.00%
2020 Equity Incentive Plan \| Members of management \| Minimum
Additional disclosures
Period over which cost will be recognized	3 years
2020 Equity Incentive Plan \| Members of management \| Maximum
Additional disclosures
Period over which cost will be recognized	5 years
2020 Equity Incentive Plan \| RSU awards \| Members of management, including the Vice-Chairman of the Board
Shares
Granted (in shares)			212,426
Additional disclosures
Grant date fair value of the award			$ 5,200
Accelerated vesting provision, minimum requisite service period			1 year
Vesting percentage (as a percent)			100.00%
2020 Equity Incentive Plan \| RSU awards \| Members of management, including the Vice-Chairman of the Board \| Minimum
Additional disclosures
Period over which cost will be recognized			1 year
2020 Equity Incentive Plan \| RSU awards \| Members of management, including the Vice-Chairman of the Board \| Maximum
Additional disclosures
Period over which cost will be recognized			5 years
2020 Equity Incentive Plan \| DSU awards \| Directors and Advisory Directors
Shares
Granted (in shares)			33,288
Additional disclosures
Grant date fair value of the award			$ 800
Period over which cost will be recognized			1 year
Vesting percentage (as a percent)			100.00%
2020 Equity Incentive Plan \| DSU awards \| Directors
Shares
Granted (in shares)		2,376
Additional disclosures
Grant date fair value of the award		$ 100
Period over which cost will be recognized		1 year
Vesting percentage (as a percent)		100.00%