Investments (Schedule of Amortized Cost and Fair Value of Other Investments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Equity securities - bank stock, Amortized Cost		$ 544
Equity securities - bank stock, Unrealized Gains		1,130
Equity securities - bank stock, Unrealized Losses		0
Equity securities - bank stock, Fair Value		1,674
FHLBB (carried at cost)	$ 6,168	6,601
FRB (carried at cost)	5,374	5,374
Other Investments, Amortized Cost	11,542	12,519
Other Investments, Unrealized Gain	0	1,130
Other Investments, Unrealized Loss	0	0
Other Investments	$ 11,542	$ 13,649