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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other comprehensive income, tax:
Unrealized (loss)/gain on investment securities available for sale arising during the period, tax	$ (7,854)	$ (9,575)	$ 1,517
Reclassification adjustment for realized gains on sale of securities available for sale included in net income, tax	(104)	12	(2)
Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, tax	627	11	(1)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax	1,951	742	0
Other comprehensive income (loss), reclassification adjustment from AOCI on derivatives, tax	$ 1,181	$ 33	$ 0

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Other Comprehensive Income (Loss), Reclassification of (gain) loss on held to maturity securities, tax

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount of tax expense (benefit), before reclassification adjustments, related to increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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