Securities (Narrative) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) issuance security shares	Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items]
Number Of Issuances Of Securities Exceeding Shareholders Equity Threshold \| issuance	0
Debt Securities, Available-for-sale, Allowance for Credit Loss \| $	$ 0	$ 0
Accrued Interest Receivable for securities \| $	$ 64,908	56,019
Visa Class B shares, shares sold \| shares	17,360
Visa Class B shares, remaining shares \| shares	77,683
Equity Securities without Readily Determinable Fair Value, Amount \| $	$ 13,425	13,425
Other Securities
Debt Securities, Available-for-sale [Line Items]
Issuances Of Securities Exceeding Shareholders Equity Threshold, Percent	10.00%
Available-for-sale Securities
Debt Securities, Available-for-sale [Line Items]
Accrued Interest Receivable for securities \| $	$ 17,300	19,200
U.S. Government Agency and Government-Sponsored Enterprise Mortgage-Backed Securities and Collateralized Mortgage Obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	645
Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	83
Municipal Bonds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	563
US Government Corporations and Agencies Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	21
US Government Securities
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	10
Non-agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions	56
Held-to-maturity Securities
Debt Securities, Available-for-sale [Line Items]
Accrued Interest Receivable for securities \| $	$ 4,200	$ 4,400

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Number Of Issuances Of Securities Exceeding Shareholders Equity Threshold

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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