Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost net of allowance for credit losses of $275 and $0 in 2020 and 2019, respectively, (fair value $631,688 and $621,343 in 2020 and 2019, respectively)	$ 608,315	$ 599,421
Fixed maturity securities—available-for-sale, at fair value (amortized cost $401,671, allowance for credit losses of $0 in 2020 and amortized cost $425,698, allowance for credit losses of $0 in 2019)	419,036	441,146
Equity securities, at fair value (cost $33,227 and $24,457 in 2020 and 2019, respectively)	27,910	27,903
Short-term investments	44,121	56,548
Total investments	1,099,382	1,125,018
Cash and cash equivalents	79,523	43,813
Amounts recoverable from reinsurers (net of allowance for credit losses of $449 and $0 in 2020 and 2019, respectively)	105,128	95,913
Premiums receivable (net of allowance for credit losses of $5,050 and $5,112 in 2020 and 2019, respectively)	169,127	157,953
Deferred income taxes	17,750	17,513
Accrued interest receivable	10,218	9,730
Property and equipment, net	6,305	6,331
Deferred policy acquisition costs	19,719	19,048
Other assets	17,009	17,587
Total assets	1,524,161	1,492,906
Liabilities:
Reserves for loss and loss adjustment expenses	779,283	772,887
Unearned premiums	146,171	140,873
Amounts held for others	39,439	37,937
Policyholder deposits	44,052	44,718
Insurance-related assessments	24,155	22,967
Federal income tax payable	6,431	3,220
Accounts payable and other liabilities	39,386	40,089
Payable for investments purchased	8,288
Total liabilities	1,087,205	1,062,691
Shareholders’ equity:
Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2020 and 2019; 20,561,034 and 20,560,833 shares issued and 19,302,784 and 19,302,583 shares outstanding in 2020 and 2019, respectively	205	205
Additional paid-in capital	213,267	213,004
Treasury stock, at cost (1,258,250 shares in 2020 and 2019)	(22,370)	(22,370)
Accumulated earnings	232,159	227,165
Accumulated other comprehensive income, net	13,695	12,211
Total shareholders’ equity	436,956	430,215
Total liabilities and shareholders’ equity	$ 1,524,161	$ 1,492,906