Preferred Stock (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 14, 2018
Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Issued			3,404
Preferred stock, liquidation preference value			$ 1,000
Preferred stock, redemption amount				$ 3,404,000
Preferred Stock [Member]
Class of Stock [Line Items]
Number of rights to receive cumulative preferred stock upon conversion of fixed rate cumulative perpetual preferred stock	1
Preferred stock, liquidation preference per share	$ 1,000
Stock issued during period, shares, new issues	3,404
Preferred stock, value	$ 3,404,000
Preferred Stock, Dividend Payment Terms	Dividends were payable quarterly on February 15, May 15, August 15 and November 15 of each year. The dividend rate on the Mid Penn Preferred Stock was fixed at 9%.
Preferred Stock Dividend Rate Percentage	9.00%
Preferred stock, shares outstanding	0	0
Preferred stock dividends paid	$ 0	$ 0	$ 102,000