Allowance For Credit Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans collectively evaluated for impairment	$ 7,029,918	$ 7,058,897
Loan balance	7,093,857	7,141,891
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,082,153	1,069,226
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest	85,946	85,379	$ 78,861	$ 83,197
Retained Earnings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	862,518	847,235	$ 797,033	$ 776,294
PPP loans receivable [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan balance	$ 3,445	4,206
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		383
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2022-02 [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest		383
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2022-02 [Member] | Retained Earnings [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		$ 303