Investment Securities - Schedule Of Realized Gross Gains And Losses On Sale From Available For Sale Portfolio (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Marketable Securities [Abstract]
Gross gains on sales of securities	$ 52		$ 1,500
Gross gains on sales of securities		$ 2,514	5,754
Gross (losses) on sales of securities	0
Gross (losses) on sales of securities		(1,922)	(4,213)
Net gain/(loss) on sales of securities	52
Net gain/(loss) on sales of securities		592	1,541
OTTI recorded	0
OTTI recorded		0	(200)
Total securities gain/(loss), net	52	592	1,341
Proceeds from sales	$ 0	937,000	444,200
Available for sale debt securities exchanged			$ 736,000
Gain associated with call of held-to-maturity securities		400
Held-to-maturity security called		$ 4,400

Debt Securities, Available For Sale, Realized Gains (Losses), Sale Proceeds

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Debt Securities, Available-for-Sale, Sold, Amount

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
-Paragraph 9
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Amount of realized gain (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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-Section 50
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Amount of realized 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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Amount of investment in debt security, measured at amortized cost, sold.

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-Paragraph 10
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Amount of realized and unrealized gain (loss) on investment.

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Amount of gain (loss) on sale of investment in debt security measured at amortized cost (held-to-maturity), including other-than-temporary impairment (OTTI).

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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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