Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Investments
Total investments available for sale	$ 4,746,328	$ 4,565,373
Other invested assets	145,310	88,904
Total investments	4,891,638	4,654,277
Cash	142,140	102,830
Accrued investment income	24,468	19,948
Accounts receivable	53,127	50,140
Deferred policy acquisition costs	14,070	17,005
Property and equipment (at cost, less accumulated depreciation of $62,690 in 2021 and $60,967 in 2020)	12,989	15,095
Prepaid federal income tax	332,886	302,636
Other assets	50,471	40,793
Total assets	5,521,789	5,202,724
Liabilities
Reserve for losses and LAE	421,872	374,941
Unearned premium reserve	220,580	250,436
Net deferred tax liability	343,098	305,109
Credit facility borrowings (at carrying value, less unamortized deferred costs of $2,684 in 2021 and $3,280 in 2020)	322,316	321,720
Other accrued liabilities	129,095	87,885
Total liabilities	1,436,961	1,340,091
Commitments and contingencies (see Note 7)
Stockholders’ Equity
Common shares, $0.015 par value: Authorized - 233,333; issued and outstanding - 112,481 shares in 2021 and 112,423 shares in 2020	1,687	1,686
Additional paid-in capital	1,558,142	1,571,163
Accumulated other comprehensive income	115,431	138,274
Retained earnings	2,409,568	2,151,510
Total stockholders’ equity	4,084,828	3,862,633
Total liabilities and stockholders’ equity	5,521,789	5,202,724
Fixed maturities available for sale, at fair value (amortized cost: 2021 — $4,253,267; 2020 — $3,677,815)
Investments
Total investments available for sale	4,374,008	3,838,513
Short-term investments available for sale, at fair value (amortized cost: 2021 — $372,318; 2020 — $726,875)
Investments
Total investments available for sale	$ 372,320	$ 726,860