Securities (Securities by Contractual Maturity) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Schedule of Available for Sale and Held to Maturity Securities [Line Items]
Available for sale debt securities maturities wIthin 1 year amortized cost	$ 103,241
Available for sale debt securities maturities 1-5 years amortized cost	349,290
Available for sale debt securities maturities 5-10 years amortized cost	264,354
Available for sale debt securities maturities after 10 years amortized cost	178,388
Available for sale securities amortized cost	895,273
Available for sale debt securities maturities within 1 year fair value	103,962
Available for sale debt securities maturities 1-5 years fair value	351,538
Available for sale debt securities maturities 5-10 years fair value	264,958
Available for sale debt securities maturities after 10 years fair value	179,032
Available for sale debt securities fair value	$ 899,490

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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