Investments Investments (Schedule of Amortized Cost and Fair Value of Other Investments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]
Equity securities - bank stock, Amortized Cost	$ 544	$ 544
Equity securities - bank stock, Unrealized Gains	1,130	202
Equity securities - bank stock, Unrealized Losses	0	0
Equity securities - bank stock, Fair Value	1,674	746
FHLBB (carried at cost)	6,601	8,559
FRB (carried at cost)	5,374	5,374
Other Investments, Amortized Cost	12,519	14,477
Other Investments, Unrealized Gain	1,130	202
Other Investments, Unrealized Loss	0	0
Other Investments	$ 13,649	$ 14,679