Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Investments
Total investments available for sale	$ 4,565,373	$ 3,350,747
Other invested assets	88,904	78,873
Total investments	4,654,277	3,429,620
Cash	102,830	71,350
Accrued investment income	19,948	18,535
Accounts receivable	50,140	40,655
Deferred policy acquisition costs	17,005	15,705
Property and equipment (at cost, less accumulated depreciation of $60,967 in 2020 and $57,639 in 2019)	15,095	17,308
Prepaid federal income tax	302,636	261,885
Other assets	40,793	18,367
Total assets	5,202,724	3,873,425
Liabilities
Reserve for losses and LAE	374,941	69,362
Unearned premium reserve	250,436	278,887
Net deferred tax liability	305,109	249,620
Credit facility borrowings (at carrying value, less unamortized deferred costs of $3,280 in 2020 and $763 in 2019)	321,720	224,237
Other accrued liabilities	87,885	66,474
Total liabilities	1,340,091	888,580
Commitments and contingencies (see Note 8)
Stockholders' Equity
Common shares, $0.015 par value: Authorized - 233,333; issued and outstanding - 112,423 shares in 2020 and 98,394 shares in 2019	1,686	1,476
Additional paid-in capital	1,571,163	1,118,655
Accumulated other comprehensive income	138,274	56,187
Retained earnings	2,151,510	1,808,527
Total stockholders' equity	3,862,633	2,984,845
Total liabilities and stockholders' equity	5,202,724	3,873,425
Fixed maturities
Investments
Total investments available for sale	3,838,513	3,035,385
Short-term investments
Investments
Total investments available for sale	$ 726,860	$ 315,362