Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

A summary of stock option activity under the 2018 Plan and 2006 Plan during the three months ended March 31, 2023:

Options	Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
	(dollars in thousands, except per share amounts; unaudited)
Outstanding at December 31, 2022	438,103	$	8.79	4.1	$	16,968
Granted	—	—
Exercised	(77,984)	7.38
Expired	—	—
Forfeited	—	—
Outstanding at March 31, 2023	360,119	$	9.10	4.2	$	9,692
Vested or expected to vest at March 31, 2023	360,119	$	9.10	4.2	$	9,692
Exercisable at March 31, 2023	174,590	$	8.65	3.9	$	4,776

Summary of Nonvested RSUs

A summary of the Company’s nonvested RSUs at March 31, 2023 and changes during the three month period is presented below:

Nonvested shares - RSUs	Shares	Weighted- Average Grant Date Fair Value		Total or Aggregate Intrinsic Value
	(dollars in thousands, except per share amounts; unaudited)
Nonvested shares at December 31, 2022	380,151	$	28.61	$	7,187
Granted	74,695	$	43.44
Forfeited	(4,653)	$	38.88
Vested	(42,402)	$	30.01
Nonvested shares at March 31, 2023	407,791	$	31.06	$	2,017

A summary of the Company’s nonvested shares at March 31, 2023 and changes during the three-month period is presented below:

Nonvested shares - RSAs	Shares	Weighted- Average Grant Date Fair Value		Total or Aggregate Intrinsic Value
	(dollars in thousands, except per share amounts; unaudited)
Nonvested shares at December 31, 2022	13,396	$	32.94	$	195
Granted	—	$	—
Forfeited	—	$	—
Vested	(500)	$	17.81
Nonvested shares at March 31, 2023	12,896	$	33.52	$	32