Condensed Consolidated Balance Sheets (Unaudited) Statement - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Fixed-maturities available for sale—at fair value (amortized cost $2,941,528 and $2,856,468)	$ 2,937,415	$ 2,838,512
Equity securities available for sale—at fair value (cost $1,330 and $1,330)	1,330	1,330
Trading securities—at fair value	811,313	879,862
Short-term investments—at fair value	686,685	741,531
Other invested assets	973	1,195
Total investments	4,437,716	4,462,430
Cash	73,701	52,149
Restricted cash	12,689	9,665
Accounts and notes receivable	73,794	77,631
Deferred income taxes, net (Note 9)	369,209	411,798
Goodwill and other intangible assets, net (Note 6)	273,068	276,228
Prepaid reinsurance premium	230,148	229,438
Other assets (Note 8)	357,435	343,835
Total assets	5,827,760	5,863,174
Liabilities and Stockholders’ Equity
Unearned premiums	684,797	681,222
Reserve for losses and loss adjustment expense (“LAE”) (Note 10)	726,169	760,269
Long-term debt (Note 11)	1,008,777	1,069,537
Reinsurance funds withheld	167,427	158,001
Other liabilities	319,282	321,859
Total liabilities	2,906,452	2,990,888
Commitments and contingencies (Note 12)
Equity component of currently redeemable convertible senior notes (Note 11)	883	0
Stockholders’ equity
Common stock: par value $.001 per share; 485,000,000 shares authorized at March 31, 2017 and December 31, 2016; 232,663,818 and 232,091,921 shares issued at March 31, 2017 and December 31, 2016, respectively; 215,090,781 and 214,521,079 shares outstanding at March 31, 2017 and December 31, 2016, respectively	233	232
Treasury stock, at cost: 17,573,037 and 17,570,842 shares at March 31, 2017 and December 31, 2016, respectively	(893,372)	(893,332)
Additional paid-in capital	2,743,594	2,779,891
Retained earnings	1,073,333	997,890
Accumulated other comprehensive income (loss) (“AOCI”) (Note 14)	(3,363)	(12,395)
Total stockholders’ equity	2,920,425	2,872,286
Total liabilities and stockholders’ equity	$ 5,827,760	$ 5,863,174