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Shareholders' Equity (Summary of Warrant Activity) (Detail) - Stock Purchase Warrants	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Warrant
Outstanding shares beginning balance | shares	489,748
Granted | shares	218,166
Forfeited | shares	(82,779)
Exercised | shares	(46,730)
Outstanding, shares ending balance | shares	578,405
Weighed Average Exercise Price
Outstanding beginning balance | $ / shares	$ 86.41
Granted | $ / shares	110.91
Forfeited | $ / shares	81.35
Exercised | $ / shares	72.88
Outstanding ending balance | $ / shares	$ 104.82

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Balance Type:	na
Period Type:	duration

X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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X

- Definition

The weighted average exercise price at which equity-based instrument holders acquired shares when converting their equity-based instruments, other than options, into shares.

+ References

No definition available.

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- Definition

The weighted average exercise price of equity instruments other than options that were forfeited.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options [Abstract]

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were exercised during the reporting period.

+ References

No definition available.

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X

- Definition

The weighted average exercise price at which grantees can acquire the shares reserved for issuance on equity instruments other than options awarded.

+ References

No definition available.

+ Details

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- Definition

The number of outstanding share-based awards, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date."

+ References

No definition available.

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- Definition

The weighted average exercise price as of the balance sheet date at which grantees could acquire the underlying shares with respect to equity-based instruments, other than options, outstanding.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Exercise Price [Abstract]

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