Earnings Per Common Share (Details) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Shares
Basic earnings per share (in shares)	10,531,572	8,698,014	8,641,717
Effect of dilutive securities - stock options (in shares)	9,765	10,448	18,911
Diluted earnings per share (in shares)	10,541,337	8,708,462	8,660,628
Per Share Amount
Basic earnings per share (in dollars per share)	$ 1.99	$ 2.60	$ 1.76
Effect of dilutive securities - stock options (in dollars per share)	(0.01)	(0.01)	0.00
Diluted earnings per share (in dollars per share)	$ 1.98	$ 2.59	$ 1.76
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options on common stock not included in computing diluted earnings per share (in shares)	0	0	330