XML 31 R20.htm IDEA: XBRL DOCUMENT v3.25.2

Investments (Tables)

6 Months Ended

Jun. 30, 2025

Investments [Abstract]

Amortized Cost and Estimated Fair Values Of Fixed Income Securities

The amortized cost and fair values by type and contractual maturity of fixed income securities are shown in the following tables. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

			Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
Fixed Income Securities by Type:
June 30, 2025:
Government & Agency			$	1,839.2					$	9.8					$	30.7					$	1,818.3
Municipal			184.2						—						0.3						183.8
Corporate			10,187.4						198.0						30.4						10,355.0
			$	12,210.9					$	207.9					$	61.6					$	12,357.2
December 31, 2024:
Government & Agency			$	1,950.5					$	2.7					$	61.3					$	1,891.9
Municipal			319.6						—						1.6						317.9
Corporate			9,905.8						76.7						100.8						9,881.7
			$	12,175.9					$	79.4					$	163.8					$	12,091.5

Amortized Cost and Estimated Fair Values Of Fixed Income Securities By Contractual Maturities

			Amortized Cost						Fair Value
Fixed Income Securities Stratified by Contractual Maturity at June 30, 2025:
Due in one year or less			$	1,371.4					$	1,369.2
Due after one year through five years			5,941.9						6,002.9
Due after five years through ten years			4,497.1						4,582.4
Due after ten years			400.5						402.6
			$	12,210.9					$	12,357.2

Gross Unrealized Losses and Fair Value, Aggregated

The following table reflects the Company's gross unrealized losses and fair value of fixed income securities, aggregated by category and length of time that individual securities have been in an unrealized loss position.

			Less than 12 Months												12 Months or Greater												Total
			Fair Value						Unrealized Losses						Fair Value						Unrealized Losses						Fair Value						Unrealized Losses
June 30, 2025:
Fixed Income Securities:
Government & Agency			$	288.3					$	3.9					$	599.6					$	26.8					$	887.9					$	30.7
Municipal			14.3						—						142.6						0.3						157.0						0.3
Corporate			971.0						8.3						1,193.1						22.1						2,164.2						30.4
			$	1,273.6					$	12.3					$	1,935.4					$	49.3					$	3,209.1					$	61.6
December 31, 2024:
Fixed Income Securities:
Government & Agency			$	678.0					$	17.9					$	679.2					$	43.4					$	1,357.3					$	61.3
Municipal			14.4						—						289.2						1.6						303.6						1.6
Corporate			3,683.0						57.1						1,763.2						43.6						5,446.2						100.8
			$	4,375.5					$	75.0					$	2,731.7					$	88.7					$	7,107.2					$	163.8

Equity Securities Reflecting Reported Cost

The following table shows cost and fair value information for equity securities:

			Equity Securities
			Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value
June 30, 2025			$	1,422.8					$	1,167.5					$	22.4					$	2,567.8
December 31, 2024			$	1,410.7					$	1,148.6					$	18.6					$	2,540.7

Fair Value, Assets Measured on Recurring Basis

The following tables show a summary of the fair value of financial assets segregated among the various input levels described above:

						Fair Value Measurements
As of June 30, 2025:						Level 1						Level 2						Level 3						Total
Fixed income securities:
Government & Agency						$	1,608.9					$	209.4					$	—					$	1,818.3
Municipal						—						183.8						—						183.8
Corporate						—						10,345.8						9.1						10,355.0
Equity securities						2,565.6						—						2.2						2,567.8
Short-term investments						$	1,215.4					$	—					$	—					$	1,215.4
As of December 31, 2024:
Fixed income securities:
Government & Agency						$	1,652.7					$	239.1					$	—					$	1,891.9
Municipal						—						317.9						—						317.9
Corporate						—						9,862.2						19.4						9,881.7
Equity securities						2,538.5						—						2.1						2,540.7
Short-term investments						$	1,403.7					$	—					$	—					$	1,403.7

Investment Income

The following table reflects the composition of net investment income, net realized gains or losses, and the net change in unrealized investment gains or losses for each of the periods shown.

			Quarters Ended												Six Months Ended
			June 30,												June 30,
			2025						2024						2025						2024
Net investment income:
Fixed income securities			$	141.2					$	128.3					$	279.8					$	254.7
Equity securities			20.9						19.2						41.7						40.0
Short-term investments			11.8						19.6						23.8						36.8
Other investments (a)			2.8						7.8						7.6						14.9
Gross investment income			176.9						175.1						353.1						346.6
Investment expenses (a)			5.4						7.6						10.8						14.9
Net investment income			$	171.5					$	167.4					$	342.2					$	331.6
Net investment gains (losses):
Realized from actual transactions:
Fixed income securities:
Gains			$	1.5					$	1.3					$	2.1					$	1.9
Losses			(4.1)						(53.9)						(5.8)						(69.9)
Net			(2.6)						(52.5)						(3.6)						(67.9)
Equity securities:
Gains			11.4						0.9						51.4						199.7
Losses			(11.3)						—						(12.4)						—
Net			0.1						0.9						38.9						199.7
Other investments, net			—						—						(0.3)						—
Total realized from actual transactions			(2.4)						(51.7)						34.9						131.7
From impairments			—						(2.4)						—						(5.4)
From unrealized changes in fair value of equity securities			(4.9)						(86.3)						12.7						(99.6)
Total realized and unrealized investment gains			(7.3)						(140.5)						47.7						26.6
Current and deferred income taxes			(2.6)						(29.9)						9.1						5.2
Net of tax realized and unrealized investment gains (losses)			$	(4.7)					$	(110.6)					$	38.5					$	21.4
Changes in unrealized investment gains (losses)
reflected directly in shareholders' equity:
Fixed income securities			$	90.7					$	11.8					$	230.6					$	(73.8)
Less: Deferred income taxes (credits)			19.0						2.5						48.6						(15.4)
			71.6						9.2						182.0						(58.4)
Other investments			—						0.3						1.6						0.4
Less: Deferred income taxes			—						—						0.3						—
			—						0.2						1.3						0.3
Net changes in unrealized investment gains (losses),
net of tax			$	71.6					$	9.5					$	183.3					$	(58.0)

_________

(a) Includes interest on funds held.

X

- Definition

Tabular disclosure of fixed maturities securities indicating amortized cost and estimated fair value by contractual obligation. [Table Text Block]

+ References

No definition available.

+ Details

Name:	ori_AmortizedCostAndEstimatedFairValuesOfFixedMaturitiesByContractualMaturitiesTableTextBlock
Namespace Prefix:	ori_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of fixed maturities securities indicating amortized cost, gross unrealized gains, gross unrealized losses and estimated fair value by securitiy classification. [Table Text Block]

+ References

No definition available.

+ Details

Name:	ori_AmortizedCostAndEstimatedFairValuesOfFixedMaturitiesTableTextBlock
Namespace Prefix:	ori_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of equity securities indicating adjusted costs, net of other-than-temporary-impairments, gross unrealized gains, gross unrealized losses and estimated fair value. [Table Text Block]

+ References

No definition available.

+ Details

Name:	ori_EquitySecuritiesReflectingReportedAdjustedCostNetOfOttiTableTextBlock
Namespace Prefix:	ori_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure fixed maturity and equity securities indicating fair value and corresponding unrealized losses by length of time that individual securities have been in an unrealized loss positions by securitiy classification. [Table Text Block]

+ References

No definition available.

+ Details

Name:	ori_GrossUnrealizedLossesAndFairValueAggregatedTableTextBlock
Namespace Prefix:	ori_
Data Type:	dtr-types1:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

+ Details

Name:	us-gaap_InvestmentIncomeTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration