Shareholders' Equity and Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Jul. 25, 2024
Reconciliation of factors used in computing basic and diluted earnings per common share
Share repurchase program, Authorized to repurchase amount									$ 15,000,000,000
Net income	$ 10,507	$ 9,234	$ 10,166	$ 15,795	$ 16,403	$ 18,917	$ 29,907	$ 51,115
Weighted average common shares outstanding for basic earnings per common share (in shares)	61,295,877			61,093,289			61,254,138	61,012,315
Dilutive potential common shares	250,280			342,951			243,789	272,275
Shares used in computing diluted earnings per common share (in shares)	61,546,157			61,436,240			61,497,927	61,284,590
Basic earnings per share (in dollars per share)	$ 0.17			$ 0.26			$ 0.49	$ 0.84
Diluted earnings per share (in dollars per share)	$ 0.17			$ 0.26			$ 0.49	$ 0.83
Number of shares in computing diluted earnings per common share	1,440,168			1,905,852			1,841,601	1,763,377
Restricted Stock Units (RSUs)
Reconciliation of factors used in computing basic and diluted earnings per common share
Number of shares in computing diluted earnings per common share	1,467			0			493	66,458