Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Stock Based Compensation

Summary of RSU activity

		Weighted		Weighted
		Average		Average
		Grant		Remaining
		Date		Contractual
	Shares	Fair value		Term
Unvested at December 31, 2016	47,790		20.31	0.96	years
Granted	128,893		24.31	0.31	years
Vested	(128,697)		22.93
Cancelled and forfeited	(444)		33.60
Unvested at December 31, 2017	47,542		23.95	0.84	years
Granted	134,804		35.73	0.43	years
Vested	(136,747)		32.45
Cancelled and forfeited	—		—
Unvested at December 31, 2018	45,599		33.28	1.32	years
Granted	47,360		36.48	0.76	years
Vested	(56,863)		22.05
Cancelled and forfeited	(420)		36.48
Unvested at December 31, 2019	35,676	$	36.49	1.40	years
Expected to vest in the future at December 31, 2019	34,392	$	36.49	1.40	years