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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023
Cash dividend declared per common share (in USD per share)	$ 0.16	$ 0.16	$ 0.16	$ 0.16
Cash dividend declared per preferred share (in USD per share)	$ 0.25	$ 0.25	$ 0.25	$ 0.25
Additional Paid-In Capital
Cash settlement of restricted share units		$ 511

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

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X

- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

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X

- Definition

APIC, Cash Settlement of Restricted Shares

+ References

No definition available.

+ Details

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Namespace Prefix:	uve_
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Balance Type:	debit
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X

- Details

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