Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Investments
Fixed maturities available for sale, at fair value (amortized cost: 2019 — $2,967,225; 2018 — $2,638,950)	$ 3,035,385	$ 2,605,666
Short-term investments available for sale, at fair value (amortized cost: 2019 — $315,360; 2018 — $154,400)	315,362	154,400
Total investments available for sale	3,350,747	2,760,066
Other invested assets	78,873	30,952
Total investments	3,429,620	2,791,018
Cash	71,350	64,946
Accrued investment income	18,535	17,627
Accounts receivable	40,655	36,881
Deferred policy acquisition costs	15,705	16,049
Property and equipment (at cost, less accumulated depreciation of $57,639 in 2019 and $53,870 in 2018)	17,308	7,629
Prepaid federal income tax	261,885	202,385
Other assets	18,367	13,436
Total assets	3,873,425	3,149,971
Liabilities
Reserve for losses and LAE	69,362	49,464
Unearned premium reserve	278,887	295,467
Net deferred tax liability	249,620	172,642
Credit facility borrowings (at carrying value, less unamortized deferred costs of $763 in 2019 and $1,336 in 2018)	224,237	223,664
Other accrued liabilities	66,474	43,017
Total liabilities	888,580	784,254
Commitments and contingencies (see Note 8)
Stockholders' Equity
Common shares, $0.015 par value: Authorized - 233,333; issued and outstanding - 98,394 shares in 2019 and 98,139 shares in 2018	1,476	1,472
Additional paid-in capital	1,118,655	1,110,800
Accumulated other comprehensive income (loss)	56,187	(28,993)
Retained earnings	1,808,527	1,282,438
Total stockholders' equity	2,984,845	2,365,717
Total liabilities and stockholders' equity	$ 3,873,425	$ 3,149,971