Employee Benefit Plans - Stock Option Activity (Details) - Officer and Employee Plans [Member]	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Number
Outstanding at December 31, 2019 (in shares) | shares	136,658
Granted (in shares) | shares	0
Exercised (in shares) | shares	(27,858)
Forfeited (in shares) | shares	(3,485)
Outstanding at June 30, 2020 (in shares) | shares	105,315
Weighted Average Exercisable Price
Outstanding at December 31, 2019 (in dollars per share) | $ / shares	$ 10.29
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	10.13
Forfeited (in dollars per share) | $ / shares	15.05
Outstanding at June 30, 2020 (in dollars per share) | $ / shares	$ 10.18