Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets [Abstract]
Cash and Due from Banks	$ 156,750	$ 144,507
Money market instruments	32,978	74,673
Cash and cash equivalents	189,728	219,180
Debt Securities, Available-for-sale, Current	1,733,696	1,754,140
Other Investments and Securities, at Cost	87,091	61,268
Total investment securities	1,820,787	1,815,408
Total loans	7,141,891	6,871,122
Allowance for credit losses	85,379	83,197
Net loans	7,056,512	6,787,925
Bank Owned Life Insurance	220,072	215,792
Prepaid Expense, Current	153,579	144,124
Goodwill	159,595	159,595
Intangible Assets, Net (Excluding Goodwill)	5,975	7,462
Property, Plant and Equipment, Net	82,126	89,008
Amortization Method Qualified Affordable Housing Project Investments	60,968	58,711
Accrued Investment Income Receivable	34,704	23,413
Other real estate owned	1,354	775
Mortgage loan servicing rights	15,792	15,264
Operating Lease, Right-of-Use Asset	17,600	13,446
Other Assets, Miscellaneous	36,201	10,151
Other Assets	787,966	737,741
Assets, Total	9,854,993	9,560,254
Liabilities [Abstract]
Non-interest bearing	3,074,276	3,066,419
Interest-bearing Deposit Liabilities	5,160,439	4,838,109
Total deposits	8,234,715	7,904,528
Short-term Debt	227,342	238,786
Subordinated Debt	188,667	188,210
Total borrowings	416,009	426,996
Operating Lease, Liability	19,291	14,339
Interest Payable	3,486	3,116
Qualified Affordable Housing Project Investments, Commitment	28,132	28,484
Off-Balance Sheet, Credit Loss, Liability	5,214	4,282
Other Liabilities Unclassified	78,920	67,750
Other Liabilities, Total	135,043	117,971
Total liabilities	8,785,767	8,449,495
Commitments and Contingencies
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Preferred Stock, Value, Issued	0	0
Common Stock, Value, Issued	462,404	461,800
Accumulated Other Comprehensive Income (Loss), Net of Tax	(102,394)	15,155
Retained Earnings (Accumulated Deficit)	847,235	776,294
Treasury Stock, Value	138,019	142,490
Total shareholders’ equity	1,069,226	1,110,759
Liabilities and Equity, Total	$ 9,854,993	$ 9,560,254