Equity Incentive Plan - Performance share activity (Details) - $ / shares shares in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2020
Performance units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Outstanding, at beginning of the period	85
Shares Outstanding, granted	47
Shares Outstanding, vested	(21)
Shares Outstanding, at end of the period	111	85
Weighted Average Grant Date Fair Value, at beginning of the period (in dollars per share)	$ 72.27
Weighted Average Grant Date Fair Value, granted (in dollars per share)	80.34
Weighted Average Grant Date Fair Value, vested (in dollars per share)	90.17
Weighted Average Grant Date Fair Value, at end of the period (in dollars per share)	$ 72.14	$ 72.27
Percentage of performance shares paid out		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	32
Shares Outstanding, granted	33
Shares Outstanding, vested	(34)
Shares Outstanding, at end of the period	31	32
Weighted Average Grant Date Fair Value, at beginning of the period (in dollars per share)	$ 61.91
Weighted Average Grant Date Fair Value, granted (in dollars per share)	90.17
Weighted Average Grant Date Fair Value, vested (in dollars per share)	69.73
Weighted Average Grant Date Fair Value, at end of the period (in dollars per share)	$ 83.40	$ 61.91
Vesting period	3 years	3 years