Condensed Parent Company Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities:
Net income	$ 104,131	$ 146,936	$ 95,644
(Increase) decrease in other assets	12,435	11,352	17,412
(Decrease) increase in other liabilities	(949)	(8,009)	394
Net cash provided by operating activities	131,396	230,654	142,335
Investing Activities:
Net cash received in acquisitions	22,610	0	208,992
Net cash used by investing activities	(191,365)	(713,359)	(1,273,877)
Financing Activities:
Repurchases of common stock	0	0	(4,036)
Stock withheld for payment of taxes	(743)	(840)	(786)
Net cash provided by financing activities	27,506	291,861	1,225,414
(Decrease) increase in Cash and Cash Equivalents	(32,463)	(190,844)	93,872
Cash and Cash Equivalents, Beginning of Year	270,318	461,162	367,290
Cash and Cash Equivalents, End of Year	237,855	270,318	461,162
Parent Company
Operating Activities:
Net income	104,131	146,936	95,644
Equity in undistributed earnings of subsidiaries	(79,241)	(133,147)	(75,697)
(Increase) decrease in other assets	(604)	4,055	3,924
(Decrease) increase in other liabilities	1,741	642	(859)
Net cash provided by operating activities	26,027	18,486	23,012
Investing Activities:
Net cash received in acquisitions	4,123	0	7,379
Net cash used by investing activities	4,123	0	7,379
Financing Activities:
Payment of common stock cash dividends	(34,940)	(30,660)	(22,228)
Repurchases of common stock	0	0	(4,036)
Proceeds from stock option exercises	4,519	0	0
Stock withheld for payment of taxes	(743)	(840)	(786)
Net cash provided by financing activities	(31,164)	(31,500)	(27,050)
(Decrease) increase in Cash and Cash Equivalents	(1,014)	(13,014)	3,341
Cash and Cash Equivalents, Beginning of Year	5,611	18,625	15,284
Cash and Cash Equivalents, End of Year	$ 4,597	$ 5,611	$ 18,625