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Equity Incentive and Employee Stock Purchase Plan (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Restricted Stock Award Activity

Restricted stock activity for the three months ended March 31, 2023 is set forth below:

			Shares						Weighted-Average Grant-Date Fair Value
Nonvested at January 1, 2023			35,416						$	38.42
Granted			—						—
Vested			(9,615)						37.97
Canceled			—						—
Nonvested at March 31, 2023			25,801						$	38.59

Restricted Stock Unit Award Activity

Restricted stock unit activity for the three months ended March 31, 2023 is set forth below:

			Number of Shares						Weighted-Average Grant-Date Fair Value						Weighted-Average Remaining Contractual Life (in years)						Aggregate Intrinsic Value
Outstanding at January 1, 2023			1,082,451						$	51.63
Granted			41,754						59.50
Vested			(24,840)						48.85
Canceled			(8,177)						56.53
Outstanding at March 31, 2023			1,091,188						$	51.95					3.6						$	37,198,599
Vested and expected to vest at March 31, 2023			727,674						$	53.10					3.1						$	24,806,395

Employee Stock Purchase Plan, Valuation Assumptions

The compensation expense related to the current offering period of the Purchase Plan has been estimated utilizing the following assumptions:

			March 31, 2023
Risk-free interest rate			4.54%
Expected term (in years)			0.5
Dividend yield			0.00%
Expected volatility			48.19%
Weighted average volatility			48.19%

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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