Earnings per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings (numerator)
Net income attributable to common stockholders	$ 82,020	$ 80,155	$ 153,170	$ 152,846
Shares (denominator)
Weighted average common shares outstanding (basic)	45,733,000	45,265,000	45,667,000	45,185,000
Dilutive effect of stock options and stock awards outstanding	510,000	576,000	596,000	728,000
Adjusted weighted average common shares outstanding (diluted)	46,243,000	45,841,000	46,263,000	45,913,000
Earnings per share attributable to common stockholders
Basic	$ 1.79	$ 1.77	$ 3.35	$ 3.38
Diluted	$ 1.77	$ 1.75	$ 3.31	$ 3.33
Stock options and stock awards excluded from EPS calculation because the effect would be anti-dilutive	36	175	19	76