Employee Benefit Plans (Options Outstanding by Exercise Price Range) (Details) - Officer and Employee Plans [Member] - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 10.29	$ 10.61	$ 11.82
Number Outstanding (in shares)	136,658	170,625	316,574
Options Outstanding, Weighted Average Remaining Life	3 years 3 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 10.29
Exercisable (in shares)	136,658	157,218
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 10.29
6.60 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 6.60
Number Outstanding (in shares)	25,000
Options Outstanding, Weighted Average Remaining Life	1 year 10 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 6.60
Exercisable (in shares)	25,000
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 6.60
6.80 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 6.80
Number Outstanding (in shares)	13,250
Options Outstanding, Weighted Average Remaining Life	1 year 2 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 6.80
Exercisable (in shares)	13,250
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 6.80
9.48 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 9.48
Number Outstanding (in shares)	21,000
Options Outstanding, Weighted Average Remaining Life	2 years 10 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 9.48
Exercisable (in shares)	21,000
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 9.48
9.60 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 9.60
Number Outstanding (in shares)	30,750
Options Outstanding, Weighted Average Remaining Life	3 years 2 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 9.60
Exercisable (in shares)	30,750
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 9.60
11.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 11.76
Number Outstanding (in shares)	13,599
Options Outstanding, Weighted Average Remaining Life	8 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 11.76
Exercisable (in shares)	13,599
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 11.76
15.05 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Prices (in dollars per share)	$ 15.05
Number Outstanding (in shares)	33,059
Options Outstanding, Weighted Average Remaining Life	5 years 6 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 15.05
Exercisable (in shares)	33,059
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 15.05