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Reinsurance (Tables)

6 Months Ended

Jun. 30, 2021

Reinsurance Disclosures [Abstract]

Reinsurance Recoverable, Credit Quality Indicator [Table Text Block]

						June 30, 2021
($ in thousands)						Current						Past Due						Total Reinsurance Recoverables
Financial strength rating of rated reinsurers
A++						$	40,382					$	14					$	40,396
A+						357,328						2,554						359,882
A						105,600						87						105,687
A-						2,054						—						2,054
B++						135						244						379
B+						—						—						—
Total rated reinsurers						$	505,499					$	2,899					$	508,398
Non-rated reinsurers
Federal and state pools						$	86,512					$	—					$	86,512
Other than federal and state pools						3,474						274						3,748
Total non-rated reinsurers						$	89,986					$	274					$	90,260
Total reinsurance recoverable, gross						$	595,485					$	3,173					$	598,658
Less: allowance for credit losses1																		(1,777)
Total reinsurance recoverable, net																		$	596,881

						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 June 30,												Six Months ended June 30,
						2021						2020						2021						2020
Balance at beginning of period						$	1,840					1,502						$	1,777					4,400
Cumulative effect adjustment1						—						—						—						(2,903)
Balance at beginning of period, as adjusted						$	1,840					1,502						$	1,777					1,497
Current period provision for expected credit losses						(63)						894						—						899
Write-offs charged against the allowance for credit losses						—						—						—						—
Recoveries						—						—						—						—
Allowance for credit losses, end of period						$	1,777					2,396						$	1,777					2,396

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 June 30,												Six Months ended June 30,
($ in thousands)						2021						2020						2021						2020
Premiums written:
Direct						$	954,770					834,643						$	1,863,544					1,581,074
Assumed						4,872						6,410						10,405						12,453
Ceded						(126,437)						(116,301)						(242,566)						(221,448)
Net						$	833,205					724,752						$	1,631,383					1,372,079
Premiums earned:
Direct						$	853,456					733,647						$	1,690,825					1,488,538
Assumed						4,411						6,055						10,087						12,228
Ceded						(117,349)						(109,031)						(235,434)						(218,392)
Net						$	740,518					630,671						$	1,465,478					1,282,374
Loss and loss expenses incurred:
Direct						$	460,073					451,013						$	901,580					876,808
Assumed						3,217						4,300						6,664						9,198
Ceded						(41,667)						(51,364)						(73,220)						(81,733)
Net						$	421,623					403,949						$	835,024					804,273

Schedule of Ceded Premiums and Losses Related to Flood Operations

Ceded to NFIP						Quarter ended June 30,												Six Months ended June 30,
($ in thousands)						2021						2020						2021						2020
Ceded premiums written						$	(75,081)					(74,187)						$	(140,823)					(136,274)
Ceded premiums earned						(66,833)						(67,369)						(134,352)						(134,230)
Ceded loss and loss expenses incurred						(18,941)						(12,991)						(21,148)						(18,087)

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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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=121599337&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=121599337&loc=SL82919230-210447

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