Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Securities transactions accumulated other comprehensive income reclassifications	$ 0	$ 0
Unrealized gains (losses) on securities, tax	(868,000)	474,000
Other comprehensive gains (losses), tax	$ (868,000)	$ 474,000

Amount before tax 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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