Shareholders' Equity and Compensation Plans - Schedule of Various Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 10,146	$ 8,006	$ 6,017
Total unrecognized compensation cost for nonvested stock units	$ 14,500
Expected years to recognize unearned compensation	2 years
Weighted average fair value (usd per share)	$ 62,190	$ 51,910	$ 47,160
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 644	$ 543	$ 735
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	5,014	4,156	3,109
Total fair value at vesting date	3,894	3,888	2,855
Total unrecognized compensation cost for nonvested stock units	$ 8,438	$ 8,507	$ 4,622
Expected years to recognize unearned compensation	1 year 8 months 12 days	2 years	1 year 10 months 24 days
Stock Plan for Non-Management Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued	27,016,000	23,343,000	12,998,000
Weighted average fair value (usd per share)	$ 41.31	$ 42.17	$ 46.05