Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other comprehensive income/(loss), tax	$ (11,200)	$ 3,300	$ 300
Reclassifications to earnings of realized gains on available-for-sale securities	2,900	200	0
Reclassifications to earnings of gains/(losses) on cash flow hedging instruments	4,900	$ (600)	$ (5,400)
ASU 2018-02 [Member]
Reclassification to retained earnings related to cash flow hedges and investment portfolio credit risk	$ 3,100

Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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