Equity and EPS - Computations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Nov. 16, 2021
Operations:
Net income	$ 31,032	$ 37,371
Net loss attributable to noncontrolling interest	39	66
Less: Income attributable to participating securities (unvested shares and units), basic	(311)	(318)
Less: Income attributable to participating securities (unvested shares and units), diluted	(311)	(318)
Net income used in earnings per common share calculation, basic	30,760	37,119
Net income used in earnings per common share calculation, diluted	$ 30,760	$ 37,119
Weighted average common shares
Basic weighted average common shares (in shares)	22,040,224	21,989,100
Diluted weighted average common shares (in shares)	22,072,271	21,989,100
Basic EPS (in dollars per share)	$ 1.40	$ 1.69
Diluted EPS (in dollars per share)	$ 1.39	$ 1.69
Convertible Senior Notes, 1.88% (fixed rate) due 2041 | Convertible Debt
Weighted average common shares
Conversion price (in dollars per share)			$ 96.24
Restricted Stock Units (RSUs)
Weighted average common shares
Participating securities (in shares)	227,810	189,297