Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net Income		$ 14,017	$ 8,640	$ 7,385
Unrealized holdings (losses) gains on securities		(362)	16	(648)
Unrealized gains (losses) on unrecognized post retirement costs		5	(6)	(22)
Unrealized gain on junior subordinated debentures	$ 0	32		0
Other comprehensive (loss) income, before tax		(325)	10	(670)
Tax benefit (expense) related to securities		54	(6)	259
Tax (expense) benefit related to unrecognized post-retirement costs		(2)	3	9
Tax expense related to junior subordinated debentures	$ 0	(9)		0
Total other comprehensive (loss) income		(282)	7	(402)
Comprehensive Income		$ 13,735	$ 8,647	$ 6,983

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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