Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Investments:
Fixed maturity securities—held-to-maturity, at amortized cost (fair value $610,551 and $568,931 in 2017 and 2016, respectively)	$ 599,096	$ 562,434
Fixed maturity securities—available-for-sale, at fair value (cost $459,116 and $479,871 in 2017 and 2016, respectively)	462,793	479,097
Equity securities—available-for-sale, at fair value (cost $5,006 and $0 in 2017 and 2016, respectively)	5,068	33
Short-term investments	46,635	29,580
Other investments	7,038	13,330
Total investments	1,120,630	1,084,474
Cash and cash equivalents	53,967	58,936
Amounts recoverable from reinsurers	84,147	83,666
Premiums receivable, net of allowance	190,646	183,005
Deferred income taxes	31,943	33,811
Accrued interest receivable	11,207	11,360
Property and equipment, net	6,345	6,636
Deferred policy acquisition costs	20,882	19,300
Federal income tax recoverable	177
Other assets	39,543	37,668
Total assets	1,559,487	1,518,856
Liabilities:
Reserves for loss and loss adjustment expenses	749,759	742,776
Unearned premiums	165,895	162,028
Reinsurance premiums payable		28
Amounts held for others	34,668	31,974
Policyholder deposits	48,318	49,130
Insurance-related assessments	31,801	31,742
Federal income tax payable		4,017
Accounts payable and other liabilities	36,099	31,510
Payable for investments purchased	11,555	9,501
Total liabilities	1,078,095	1,062,706
Shareholders’ equity:
Common stock: voting—$0.01 par value authorized shares—50,000,000 in 2017 and 2016; 20,502,273 and 20,488,385 shares issued and 19,244,023 and 19,230,135 shares outstanding in 2017 and 2016, respectively	204	204
Additional paid-in capital	209,414	208,390
Treasury stock at cost (1,258,250 shares in 2017 and 2016)	(22,370)	(22,370)
Accumulated earnings	291,728	270,418
Accumulated other comprehensive income (loss), net	2,416	(492)
Total shareholders’ equity	481,392	456,150
Total liabilities and shareholders’ equity	$ 1,559,487	$ 1,518,856