Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Fixed maturities:
Available for sale, at fair value (amortized cost: $1,163,532 and $1,187,094)	$ 1,184,738	$ 1,229,322
Equity securities:
Available for sale, at fair value (cost: $174,693 and $167,179)	222,583	197,075
Other invested assets:
Available for sale, at fair value (cost: $3,059 and $3,049)	3,226	3,132
Total investments	1,410,547	1,429,529
Cash and cash equivalents	111,440	104,460
Premiums receivable, net	74,027	45,162
Reinsurance receivables, net	232,645	241,827
Receivable for securities sold	5,160
Federal income taxes receivable	1,393	6,844
Deferred federal income taxes	10,445	10,824
Deferred acquisition costs	25,980	18,265
Intangible assets	18,166	18,343
Goodwill	4,820	4,820
Prepaid reinsurance premiums	5,248	5,945
Other assets	14,951	17,684
Total assets	1,914,822	1,903,703
Liabilities:
Unpaid losses and loss adjustment expenses	844,918	879,114
Unearned premiums	128,572	94,114
Ceded balances payable	4,628	4,201
Contingent commissions	7,302	9,911
Payable for securities purchased		2,634
Notes and debentures payable	84,929	84,929
Other liabilities	20,523	22,182
Total liabilities	1,090,872	1,097,085
Commitments and contingencies (Note 9)
Shareholders' equity:
Ordinary shares, $0.0001 par value, 900,000,000 ordinary shares authorized; A ordinary shares issued: 16,164,587 and 16,087,939, respectively; A ordinary shares outstanding: 13,105,826 and 13,030,938, respectively; B ordinary shares issued and outstanding: 12,061,370 and 12,061,370, respectively	3	3
Additional paid-in capital	514,422	512,304
Accumulated other comprehensive income, net of taxes	47,574	53,350
Retained earnings	363,200	342,171
A ordinary shares in treasury, at cost: 3,058,761 and 3,057,001 shares, respectively	(101,249)	(101,210)
Total shareholders' equity	823,950	806,618
Total liabilities and shareholders' equity	$ 1,914,822	$ 1,903,703