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Common Stock and Stock-Based Awards - Dividends and Share Repurchase Authorization (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended				12 Months Ended
	Jan. 14, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Feb. 19, 2020	Oct. 26, 2018	Mar. 06, 2018	Dec. 07, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends paid						$ 23,913	$ 23,455	$ 23,156
Quarterly cash dividend declared		$ 0.17
Repurchase of common shares, value						$ 5,100		$ 9,400
Repurchase of common shares, average cost per share						$ 40.27		$ 24.96
Repurchase of common stock, shares						100,000	0	400,000
Repurchase of common shares remaining authorized amount		$ 149,500				$ 149,500
O 2022 A1 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared								$ 0.165
O 2023 A1 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared							$ 0.165
O 2024 Q1 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared					$ 0.165
O 2024 Q2 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared				$ 0.165
O 2024 Q3 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared			$ 0.17
O 2023 Q4 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared						$ 0.165
O 2024 Q4 Dividends [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Quarterly cash dividend declared		$ 0.17
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends paid	$ 6,100
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common shares program authorized amount									$ 150,000	$ 100,000	$ 250,000	$ 100,000