Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost (fair value $629,207 and $616,772 in 2019 and 2018, respectively)	$ 610,950	$ 613,878
Fixed maturity securities—available-for-sale, at fair value (cost $445,117 and $479,772 in 2019 and 2018, respectively)	457,893	478,730
Equity securities, at fair value (cost $22,582 and $19,962 in 2019 and 2018, respectively)	24,070	18,651
Short-term investments	70,146	14,231
Total investments	1,163,059	1,125,490
Cash and cash equivalents	51,246	40,344
Amounts recoverable from reinsurers	103,695	112,006
Premiums receivable, net of allowance	175,020	162,478
Deferred income taxes	19,461	21,852
Accrued interest receivable	10,086	10,197
Property and equipment, net	5,957	6,258
Deferred policy acquisition costs	20,550	19,734
Other assets	22,019	17,572
Total assets	1,571,093	1,515,931
Liabilities:
Reserves for loss and loss adjustment expenses	795,046	798,409
Unearned premiums	156,889	149,296
Amounts held for others	44,064	41,388
Policyholder deposits	46,095	46,795
Insurance-related assessments	30,253	28,258
Federal income tax payable	1,325	3,412
Accounts payable and other liabilities	38,325	38,611
Payable for investments purchased	9,653
Total liabilities	1,121,650	1,106,169
Shareholders’ equity:
Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2019 and 2018; 20,556,511 and 20,528,230 shares issued and 19,298,261 and 19,269,980 shares outstanding in 2019 and 2018, respectively	205	205
Additional paid-in capital	212,493	211,431
Treasury stock, at cost (1,258,250 shares in 2019 and 2018)	(22,370)	(22,370)
Accumulated earnings	248,975	221,328
Accumulated other comprehensive income (loss), net	10,140	(832)
Total shareholders’ equity	449,443	409,762
Total liabilities and shareholders’ equity	$ 1,571,093	$ 1,515,931