Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Investments available for sale, at fair value
Fixed maturities (amortized cost: 2017 — $1,619,677; 2016 — $1,497,186)	$ 1,612,153	$ 1,482,754
Short-term investments (amortized cost: 2017 — $112,381; 2016 — $132,352)	112,380	132,348
Total investments	1,724,533	1,615,102
Cash	19,713	27,531
Accrued investment income	10,191	9,488
Accounts receivable	23,479	21,632
Deferred policy acquisition costs	13,493	13,400
Property and equipment (at cost, less accumulated depreciation of $47,544 in 2017 and $46,543 in 2016)	8,205	8,119
Prepaid federal income tax	180,657	181,272
Other assets	7,429	6,454
Total assets	1,987,700	1,882,998
Liabilities
Reserve for losses and LAE	29,468	28,142
Unearned premium reserve	221,262	219,616
Net deferred tax liability	162,651	142,587
Revolving credit facility borrowings	125,000	100,000
Securities purchases payable	17,315	14,999
Other accrued liabilities	19,252	33,881
Total liabilities	574,948	539,225
Commitments and contingencies (see Note 6)
Common shares, $0.015 par value:
Authorized - 233,333; issued and outstanding - 93,377 shares in 2017 and 93,105 shares in 2016	1,401	1,397
Additional paid-in capital	915,895	918,296
Accumulated other comprehensive loss	(7,405)	(12,255)
Retained earnings	502,861	436,335
Total stockholders’ equity	1,412,752	1,343,773
Total liabilities and stockholders’ equity	$ 1,987,700	$ 1,882,998