Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
ASSETS:
Fixed maturities - available for sale, (amortized cost: 2022, $13,182,332; 2021, $12,733,499, allowances for credit losses: 2022, $(29,140); 2021, $(27,491))	$ 12,811,657	$ 12,860,395
Equity securities, at fair value	1,731,774	1,757,792
Short-term investments (cost: 2022, $573,473; 2021, $695,935)	573,473	695,886
Other invested assets	1,689,961	1,674,639
Other invested assets, at fair value	1,946,197	2,030,816
Cash	787,481	699,266
Total investments and cash	19,540,543	19,718,794
Note Receivable - affiliated	500,000	500,000
Accrued investment income	98,956	89,966
Premiums receivable	1,618,574	1,719,961
Reinsurance recoverables - unaffiliated	1,622,579	1,569,328
Reinsurance recoverables - affiliated	2,117,624	2,298,769
Funds held by reinsureds	300,214	299,204
Deferred acquisition costs	451,952	471,931
Prepaid reinsurance premiums	418,775	431,055
Other assets	636,311	595,970
TOTAL ASSETS	27,305,528	27,694,978
LIABILITIES:
Reserve for losses and loss adjustment expenses	13,403,565	13,121,177
Unearned premium reserve	2,947,792	2,992,878
Funds held under reinsurance treaties	34,512	48,410
Other net payable to reinsurers	399,471	391,577
Losses in course of payment	138,570	272,592
Income taxes	129,948	246,348
Senior notes	2,346,147	2,345,800
Long term notes	223,799	223,774
Borrowings from FHLB	519,000	519,000
Accrued interest on debt and borrowings	38,843	17,348
Unsettled securities payable	47,518	15,196
Other liabilities	430,355	462,831
Total liabilities	20,659,520	20,656,931
Commitments and Contingencies (Note 6)
STOCKHOLDER'S EQUITY:
Common shares, par value: $0.01; 3,000 shares authorized; 1,000 shares issued and outstanding (2022 and 2021)
Additional paid-in capital	1,101,640	1,101,527
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit) $(79,871) at 2022 and $24,279 at 2021	(301,735)	91,469
Retained earnings	5,846,103	5,845,051
Total stockholder's equity	6,646,008	7,038,047
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	$ 27,305,528	$ 27,694,978