Equity Incentive Plan - Performance share activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Outstanding, at beginning of the period	27	0
Shares Outstanding, granted	28	47
Shares Outstanding, vested	(23)	(16)
Shares Outstanding, forfeited		(4)
Shares Outstanding, at end of the period	32	27	0
Weighted Average Grant Date Fair Value, at beginning of the period (in dollars per share)	$ 55.29	$ 0
Weighted Average Grant Date Fair Value, granted (in dollars per share)	66.96	55.29
Weighted Average Grant Date Fair Value, vested (in dollars per share)	59.91	55.29
Weighted Average Grant Date Fair Value, forfeited (in dollars per share)		55.29
Weighted Average Grant Date Fair Value, at end of the period (in dollars per share)	$ 61.91	$ 55.29	$ 0
Percentage of performance shares paid out	106.00%	150.00%
Vesting period	3 years	3 years	3 years
Performance Units And Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Outstanding, at beginning of the period	78	87	61
Shares Outstanding, granted	34	43	26
Shares Outstanding, vested	(27)	(31)
Shares Outstanding, forfeited		(21)
Shares Outstanding, at end of the period	85	78	87	61
Weighted Average Grant Date Fair Value, at beginning of the period (in dollars per share)	$ 72.13	$ 69.61	$ 61.04
Weighted Average Grant Date Fair Value, granted (in dollars per share)	68.59	63.42	90.17
Weighted Average Grant Date Fair Value, vested (in dollars per share)	66.96	55.29
Weighted Average Grant Date Fair Value, forfeited (in dollars per share)		68.79
Weighted Average Grant Date Fair Value, at end of the period (in dollars per share)	$ 72.27	$ 72.13	$ 69.61	$ 61.04
Vesting period	3 years	3 years	3 years	3 years