Equity Compensation Equity compensation expense by grant (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.7875	$ 1.05	$ 1.02
Share-based Compensation	$ 3,289	$ 1,644	$ 1,223
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized	$ 7,959
ClassBUnits [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 0.25

Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of noncash expense for share-based payment arrangement.

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