Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Investments
Fixed maturities, available-for-sale, at fair value (amortized cost, $3,852,408 and $3,758,720, respectively; allowance for expected credit losses, $1,602 as of June 30, 2024 and $555 as of December 31, 2023)	$ 3,583,505	$ 3,493,597
Fixed maturities, trading, at fair value (cost, $51,939 and $48,449, respectively)	51,782	48,324
Equity investments, at fair value (cost, $145,032 and $164,262, respectively)	128,860	151,295
Short-term investments	219,600	235,785
Business owned life insurance	79,191	78,205
Investment in unconsolidated subsidiaries	283,037	276,756
Other investments (at fair value, $2,224 and $62,604, respectively, otherwise at cost or amortized cost)	6,288	65,819
Total Investments	4,352,263	4,349,781
Cash and cash equivalents	36,877	65,898
Premiums receivable, net (allowance for expected credit losses, $8,120 as of June 30, 2024 and $7,809 as of December 31, 2023)	248,372	235,569
Receivable from reinsurers on paid losses and loss adjustment expenses	7,518	21,122
Receivable from reinsurers on unpaid losses and loss adjustment expenses	447,866	445,573
Prepaid reinsurance premiums	33,517	31,149
Deferred policy acquisition costs	61,041	60,336
Deferred tax asset, net	183,164	186,164
Real estate, net	30,016	29,757
Operating lease ROU assets	16,799	16,275
Intangible assets, net	57,131	60,308
Goodwill	5,500	5,500
Other assets	134,900	124,493
Total Assets	5,614,964	5,631,925
Policy liabilities and accruals
Reserve for losses and loss adjustment expenses	3,367,540	3,401,281
Unearned premiums	437,691	433,715
Reinsurance premiums payable	28,491	24,019
Total Policy Liabilities and Accruals	3,833,722	3,859,015
Operating lease liabilities	17,757	17,179
Other liabilities	204,203	216,618
Debt less unamortized debt issuance costs	426,854	427,133
Total Liabilities	4,482,536	4,519,945
Shareholders' Equity
Common shares (par value $0.01 per share, 100,000,000 shares authorized, 63,730,374 and 63,576,932 shares issued, respectively)	637	636
Additional paid-in capital	405,415	403,554
Accumulated other comprehensive income (loss) (net of deferred tax expense (benefit) of ($55,905) and ($55,738), respectively)	(206,037)	(204,489)
Retained earnings	1,402,115	1,381,981
Treasury shares, at cost (12,606,968 shares as of each respective period end)	(469,702)	(469,702)
Total Shareholders' Equity	1,132,428	1,111,980
Total Liabilities and Shareholders' Equity	$ 5,614,964	$ 5,631,925