Stock-Based Compensation - Stock Options Activity (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Number of Shares
Outstanding at beginning of period (in shares) | shares	148,065
Granted (in shares) | shares	22,678
Forfeited (in shares) | shares	0
Exercised (in shares) | shares	(12,123)
Outstanding at end of period (in shares) | shares	158,620
Weighted Average Exercise Price
Outstanding at beginning of period (in USD per share) | $ / shares	$ 28.94
Granted (in USD per share) | $ / shares	36.46
Forfeited (in USD per share) | $ / shares	0.00
Exercised (in USD per share) | $ / shares	23.27
Outstanding at end of period (in USD per share) | $ / shares	$ 30.45
Weighted average remaining contractual life, Outstanding at end of period	6 years 303 days