Consolidated Statements of Changes In Shareholders' Equity - USD ($) $ in Thousands	Total	Scottdale Bank and Trust Company [Member]	Common Stock [Member]	Common Stock [Member] Scottdale Bank and Trust Company [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Scottdale Bank and Trust Company [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balance at Dec. 31, 2017	$ 75,703		$ 4,242		$ 40,970		$ 32,565	$ (2,074)
Impact of adoption of new accounting standard (ASU 2016-01 [Member]) at Dec. 31, 2017	(9)						(44)	35
Balance at Dec. 31, 2017	75,694		4,242		40,970		32,521	(2,039)
Net income	1,004						1,004
Total other comprehensive (loss) income, net of taxes	(1,867)							(1,867)
Stock issued to shareholders		$ 64,181		$ 1,879		$ 62,302
Employee Stock Purchase Plan	24		1		23
Director Stock Purchase Plan	30		1		29
Restricted stock activity	58				58
Balance at Mar. 31, 2018	139,124		6,123		103,382		33,525	(3,906)
Balance at Dec. 31, 2018	223,209		8,460		177,565		39,562	(2,378)
Impact of adoption of new accounting standard (ASU 2016-01 [Member]) at Dec. 31, 2018	316						316
Balance at Dec. 31, 2018	223,525		8,460		177,565		39,878	(2,378)
Net income	4,077						4,077
Total other comprehensive (loss) income, net of taxes	1,807							1,807
Common stock dividends declared	(2,113)						(2,113)
Employee Stock Purchase Plan	28		1		27
Director Stock Purchase Plan	33		1		32
Restricted stock activity	80				80
Balance at Mar. 31, 2019	$ 227,437		$ 8,462		$ 177,704		$ 41,842	$ (571)