Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Investments:
Fixed maturities, available for sale, at fair value	$ 19,812,903	$ 19,732,825
Equity securities, at fair value	772,689	1,804,170
Other investments, at fair value	1,634,368	1,973,550
Investments accounted for using the equity method	3,496,341	3,077,611
Total investments	25,716,301	26,588,156
Cash	813,548	858,668
Accrued investment income	116,102	85,453
Investment in operating affiliates	967,603	1,135,655
Premiums receivable (net of allowance for credit losses: $38,170 and $39,958)	3,634,182	2,633,280
Reinsurance recoverable on unpaid and paid losses and loss adjustment expenses (net of allowance for credit losses: $14,740 and $13,230)	5,938,511	5,880,735
Contractholder receivables (net of allowance for credit losses: $3,005 and $3,437)	1,758,018	1,828,691
Ceded unearned premiums	2,123,915	1,729,455
Deferred acquisition costs	1,069,845	901,841
Receivable for securities sold	157,329	60,179
Goodwill and intangible assets	868,014	944,983
Other assets	2,555,826	2,453,849
Total assets	45,719,194	45,100,945
Liabilities
Reserve for losses and loss adjustment expenses	18,194,324	17,757,156
Unearned premiums	7,145,297	6,011,942
Reinsurance balances payable	1,634,700	1,583,253
Contractholder payables	1,761,023	1,832,127
Collateral held for insured obligations	251,063	242,352
Senior notes	2,724,896	2,724,394
Payable for securities purchased	292,106	64,850
Other liabilities	1,289,760	1,329,742
Total liabilities	33,293,169	31,545,816
Commitments and Contingencies
Redeemable noncontrolling interests	8,459	9,233
Shareholders' Equity
Non-cumulative preferred shares	830,000	830,000
Common shares ($0.0011 par, shares issued: 586,887,791 and 583,289,850)	652	648
Additional paid-in capital	2,170,661	2,085,075
Retained earnings	15,035,644	14,455,868
Accumulated other comprehensive income (loss), net of deferred income tax	(1,258,265)	(64,600)
Common shares held in treasury, at cost (shares: 217,540,976 and 204,365,956)	(4,361,126)	(3,761,095)
Total shareholders' equity available to Arch	12,417,566	13,545,896
Total liabilities, noncontrolling interests and shareholders' equity	45,719,194	45,100,945
Fixed maturities available for sale, at fair value (amortized cost: $18,816,372 and $17,973,823; net of allowance for credit losses: $58,410 and $2,883 )
Investments:
Fixed maturities, available for sale, at fair value	17,585,029	17,998,109
Short-term investments available for sale, at fair value (amortized cost: $2,226,673 and $1,734,738; net of allowance for credit losses: $0 and $0)
Investments:
Fixed maturities, available for sale, at fair value	$ 2,227,874	$ 1,734,716