Fair Value (Carrying Amounts and Estimated Fair Values of Company's Financial Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial Assets:
Interest Bearing Time Deposits with Banks	$ 500	$ 745
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(5,350,051)	(4,744,316)
Time Deposits	(428,469)	(347,099)
Long-term Debt	(64,462)
Carrying Value
Financial Assets:
Cash and Short-term Investments	119,079	396,890
Interest Bearing Time Deposits with Banks	500	745
Loans, Net	3,724,804	2,960,278
Accrued Interest Receivable	27,741	20,229
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(4,921,582)	(4,397,217)
Time Deposits	(428,469)	(347,099)
Short-term Borrowings	(101,161)	(68,328)
Long-term Debt	(102,645)	(83,855)
Accrued Interest Payable	(1,513)	(613)
Fair Value
Financial Assets:
Cash and Short-term Investments	119,079	396,890
Interest Bearing Time Deposits with Banks	500	745
Loans, Net	3,688,903	2,980,555
Accrued Interest Receivable	27,741	20,229
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(4,921,582)	(4,397,217)
Time Deposits	(426,184)	(347,876)
Short-term Borrowings	(101,161)	(68,328)
Long-term Debt	(99,102)	(86,623)
Accrued Interest Payable	(1,513)	(613)
Fair Value | Level 1
Financial Assets:
Cash and Short-term Investments	77,174	47,173
Interest Bearing Time Deposits with Banks	0	0
Loans, Net	0	0
Accrued Interest Receivable	38	0
Financial Liabilities:
Demand, Savings, and Money Market Deposits	(4,921,582)	(4,397,217)
Time Deposits	0	0
Short-term Borrowings	(36,200)	0
Long-term Debt	0	0
Accrued Interest Payable	0	0
Fair Value | Level 2
Financial Assets:
Cash and Short-term Investments	41,905	349,717
Interest Bearing Time Deposits with Banks	500	745
Loans, Net	0	0
Accrued Interest Receivable	10,863	9,213
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	(426,184)	(347,876)
Short-term Borrowings	(64,961)	(68,328)
Long-term Debt	(26,830)	(28,320)
Accrued Interest Payable	(1,205)	(579)
Fair Value | Level 3
Financial Assets:
Cash and Short-term Investments	0	0
Interest Bearing Time Deposits with Banks	0	0
Loans, Net	3,688,903	2,980,555
Accrued Interest Receivable	16,840	11,016
Financial Liabilities:
Demand, Savings, and Money Market Deposits	0	0
Time Deposits	0	0
Short-term Borrowings	0	0
Long-term Debt	(72,272)	(58,303)
Accrued Interest Payable	$ (308)	$ (34)