Securities (Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities within 1 year amortized cost	$ 105,625
Available for sale debt securities maturities 1-5 years amortized cost	499,632
Available for sale debt securities maturities 5-10 years amortized cost	335,086
Available for sale debt securities maturities after 10 years amortized cost	250,091
Available for sale debt securities maturities total amortized cost	1,190,434	$ 1,166,340
Available for sale debt securities maturities within 1 year fair value	90,019
Available for sale debt securities maturities 1-5 years fair value	431,034
Available for sale debt securities maturities 5-10 years fair value	288,019
Available for sale debt securities maturities after 10 years fair value	213,386
Available for sale debt securities, fair value	$ 1,022,458	$ 993,928

Amortized cost of 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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