Parent Company only Condensed Financial Information - Balance Sheets (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents	$ 408,129,000	$ 306,603,000
Total assets	5,194,095,000	5,157,580,000	$ 5,499,409,000
Liabilities and Shareholders' Equity
Subordinated debt, net of issuance costs	39,502,000	39,350,000
Shareholders' equity	672,901,000	632,456,000	$ 598,028,000	$ 577,889,000
Total liabilities and shareholders' equity	5,194,095,000	5,157,580,000
Parent Company
Assets
Cash and cash equivalents	18,479,000	20,974,000
Investment in subsidiary bank	690,918,000	649,545,000
Other assets	3,266,000	1,549,000
Total assets	712,663,000	672,068,000
Liabilities and Shareholders' Equity
Subordinated debt, net of issuance costs	39,502,000	39,350,000
Other liabilities	260,000	262,000
Shareholders' equity	672,901,000	632,456,000
Total liabilities and shareholders' equity	$ 712,663,000	$ 672,068,000