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Reinsurance (Tables)

9 Months Ended

Sep. 30, 2021

Reinsurance Disclosures [Abstract]

Reinsurance Recoverable, Credit Quality Indicator [Table Text Block]

						September 30, 2021
($ in thousands)						Current						Past Due						Total Reinsurance Recoverables
Financial strength rating of rated reinsurers
A++						$	39,325					$	13					$	39,338
A+						338,912						887						339,799
A						96,071						439						96,510
A-						3,166						271						3,437
B++						—						—						—
B+						—						—						—
Total rated reinsurers						$	477,474					$	1,610					$	479,084
Non-rated reinsurers
Federal and state pools						$	204,001					$	—					$	204,001
Other than federal and state pools						4,698						29						4,727
Total non-rated reinsurers						$	208,699					$	29					$	208,728
Total reinsurance recoverable, gross						$	686,173					$	1,639					$	687,812
Less: allowance for credit losses1																		(1,595)
Total reinsurance recoverable, net																		$	686,217

						December 31, 2020
($ in thousands)						Current						Past Due						Total Reinsurance Recoverables
Financial strength rating of rated reinsurers
A++						$	37,464					$	102					$	37,566
A+						354,846						2,452						357,298
A						105,652						415						106,067
A-						2,139						—						2,139
B++						56						324						380
B+						—						—						—
Total rated reinsurers						$	500,157					$	3,293					$	503,450
Non-rated reinsurers
Federal and state pools						$	82,575					$	—					$	82,575
Other than federal and state pools						2,676						568						3,244
Total non-rated reinsurers						$	85,251					$	568					$	85,819
Total reinsurance recoverable, gross						$	585,408					$	3,861					$	589,269
Less: allowance for credit losses1																		(1,777)
Total reinsurance recoverable, net																		$	587,492

Reinsurance Recoverable, Allowance for Credit Loss [Table Text Block]

($ in thousands)						Quarter ended September 30,												Nine Months ended September 30,
						2021						2020						2021						2020
Balance at beginning of period						$	1,777					2,396						$	1,777					4,400
Cumulative effect adjustment1						—						—						—						(2,903)
Balance at beginning of period, as adjusted						$	1,777					2,396						$	1,777					1,497
Current period provision for expected credit losses						(182)						(565)						(182)						334
Write-offs charged against the allowance for credit losses						—						—						—						—
Recoveries						—						—						—						—
Allowance for credit losses, end of period						$	1,595					1,831						$	1,595					1,831

1Represents the impact of our adoption of ASU 2016-13, Financial Instruments - Credit Losses.

Schedule of List Of Direct, Assumed, And Ceded Reinsurance Amounts

						Quarter ended September 30,												Nine Months ended September 30,
($ in thousands)						2021						2020						2021						2020
Premiums written:
Direct						$	932,752					839,275						$	2,796,296					2,420,350
Assumed						7,136						5,450						17,541						17,902
Ceded						(126,982)						(125,217)						(369,548)						(346,665)
Net						$	812,906					719,508						$	2,444,289					2,091,587
Premiums earned:
Direct						$	877,620					803,957						$	2,568,445					2,292,495
Assumed						6,304						6,147						16,391						18,375
Ceded						(116,677)						(115,563)						(352,111)						(333,955)
Net						$	767,247					694,541						$	2,232,725					1,976,915
Loss and loss expenses incurred:
Direct						$	655,483					530,192						$	1,557,063					1,407,000
Assumed						4,143						4,232						10,807						13,430
Ceded						(154,357)						(86,622)						(227,577)						(168,355)
Net						$	505,269					447,802						$	1,340,293					1,252,075

Schedule of Ceded Premiums and Losses Related to Flood Operations

Ceded to NFIP						Quarter ended September 30,												Nine Months ended September 30,
($ in thousands)						2021						2020						2021						2020
Ceded premiums written						$	(77,697)					(77,318)						$	(218,520)					(213,592)
Ceded premiums earned						(69,197)						(68,427)						(203,549)						(202,656)
Ceded loss and loss expenses incurred						(153,713)						(48,132)						(174,861)						(66,219)

X

- Definition

This table discloses the premiums and losses and loss expenses that are ceded to the National Flood Insurance Program.

+ References

No definition available.

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- Definition

Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

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- Definition

Tabular disclosure of allowance for credit loss on reinsurance recoverable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Tabular disclosure of credit quality indicator for reinsurance recoverable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

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