Equity Incentive Plan - Restricted share activity (Details) - Restricted Stock [Member] shares in Thousands	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Outstanding, at beginning of the period | shares	175
Shares Outstanding, granted | shares	81
Shares Outstanding, vested | shares	(59)
Shares Outstanding, forfeited | shares	(10)
Shares Outstanding, at end of the period | shares	187
Weighted Average Grant Date Fair Value, at beginning of the period (in dollars per share) | $ / shares	$ 64.90
Weighted Average Grant Date Fair Value, granted (in dollars per share) | $ / shares	63.06
Weighted Average Grant Date Fair Value, vested (in dollars per share) | $ / shares	61.20
Weighted Average Grant Date Fair Value, forfeited (in dollars per share) | $ / shares	65.12
Weighted Average Grant Date Fair Value, at end of the period (in dollars per share) | $ / shares	$ 65.24