Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Stock-based Compensation [Abstract]

Summary Of RSU Vested And Expected To Vest

		Granted During the Year Ended December 31,
	Total	2019	2018	2017	2016
Number of RSUs:
Granted during the year	384,435	112,144	70,688	94,329	107,274
Outstanding at September 30, 2019	225,890	112,144	44,338	66,408	3,000
Scheduled to vest during:
2019	94,126	23,535	14,359	53,232	3,000
2020	55,414	36,706	8,782	9,926	—
2021	37,632	13,185	21,197	3,250	—
2022	36,718	36,718	—	—	—
2023	1,000	1,000	—	—	—
2024	1,000	1,000	—	—	—
	225,890	112,144	44,338	66,408	3,000

RSU Activity

				Weighted-
		Weighted-		Average		Aggregate
		Average		Remaining		Intrinsic
	Number of	Grant-Date		Contractual		Value
	RSUs	Fair Value		Term (yrs.)		(in thousands)
Outstanding at January 1, 2019	215,084	$	23.79
Granted	112,144		19.48
Converted	(101,338)		20.79
Outstanding at September 30, 2019	225,890	$	22.99		0.95	$	5,139
Vested and Convertible at September 30, 2019	—	$	—		—	$	—

Stock Option Activity

				Weighted-
		Weighted-		Average		Aggregate
		Average		Remaining		Intrinsic
	Number of	Exercise		Contractual		Value
	Options	Price		Term (yrs.)		(in thousands)
Outstanding at January 1, 2019	96,112	$	11.80
Exercised	(25,156)		10.50
Forfeited or expired	—		—
Outstanding at September 30, 2019	70,956	$	12.26		0.98	$	744
Exercisable at September 30, 2019	70,806	$	12.25		0.97	$	743