Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost (fair value $603,295 and $568,931 in 2017 and 2016, respectively)	$ 594,776	$ 562,434
Fixed maturity securities—available-for-sale, at fair value (cost $467,989 and $479,871 in 2017 and 2016, respectively)	468,690	479,097
Equity securities—available-for-sale, at fair value (cost $2,009 and $0, in 2017 and 2016, respectively)	2,044	33
Short-term investments	32,804	29,580
Other investments	8,956	13,330
Total investments	1,107,270	1,084,474
Cash and cash equivalents	39,353	58,936
Amounts recoverable from reinsurers	82,897	83,666
Premiums receivable, net of allowance	191,276	183,005
Deferred income taxes	33,311	33,811
Accrued interest receivable	11,907	11,360
Property and equipment, net	6,441	6,636
Deferred policy acquisition costs	19,866	19,300
Other assets	44,215	37,668
Total assets	1,536,536	1,518,856
Liabilities:
Reserves for loss and loss adjustment expenses	749,496	742,776
Unearned premiums	163,803	162,028
Reinsurance premiums payable		28
Amounts held for others	32,923	31,974
Policyholder deposits	48,595	49,130
Insurance-related assessments	33,312	31,742
Federal income tax payable	9,378	4,017
Accounts payable and other liabilities	31,142	31,510
Payable for investments purchased	786	9,501
Total liabilities	1,069,435	1,062,706
Shareholders' equity:
Voting—$0.01 par value authorized shares—50,000,000 in 2017 and 2016; 20,488,385 shares issued and 19,230,135 shares outstanding in 2017 and 2016	204	204
Additional paid-in capital	208,711	208,390
Treasury stock at cost (1,258,250 shares in 2017 and 2016)	(22,370)	(22,370)
Accumulated earnings	280,096	270,418
Accumulated other comprehensive income (loss), net	460	(492)
Total shareholders’ equity	467,101	456,150
Total liabilities and shareholders’ equity	$ 1,536,536	$ 1,518,856