Schedule 2 HCCIH Financial Statements (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities
Net earnings	$ 113,029	$ 140,267	$ 97,136	$ 107,911	$ 115,010	$ 98,175	$ 88,162	$ 105,850	$ 458,343	$ 407,197	$ 391,240
Adjustments to reconcile net earnings to net cash provided by operating activities:
Change in accounts payable and accrued liabilities									(22,343)	(120,859)	100,091
(Gain) loss on investments									(66,370)	(42,030)	(30,120)
Other, net									81,057	23,700	86,403
Cash provided by operating activities									478,637	262,707	661,147
Investing activities
Sales of available for sale fixed maturity securities									480,876	492,891	639,834
Sales of equity securities									434,389	146,624	14,117
Sales of other investments									0	23,719	21,736
Maturity or call of available for sale fixed maturity securities									532,706	627,041	697,404
Cost of available for sale fixed maturity securities acquired									(1,475,171)	(1,346,498)	(1,489,235)
Cost of equity securities acquired									200,265	345,129	262,528
Change in short-term investments									(86,467)	181,972	(207,403)
Payments for purchase of business and other									(8,024)	(8,328)	(46,627)
Other, net									(5,943)	(9,377)	(16,757)
Cash provided by investing activities									(311,310)	(235,054)	(618,903)
Financing activities
Advances on line of credit									275,000	180,000	185,000
Payments on line of credit									(105,000)	(110,000)	(80,000)
Sale of common stock									20,237	12,908	59,838
Purchase of common stock									(224,706)	(47,869)	(173,028)
Dividends paid									(96,544)	(71,967)	(64,345)
Other, net									7,478	(3,814)	(2,869)
Cash used by financing activities									(123,535)	(40,742)	(75,404)
Net increase (decrease) in cash									43,792	(13,089)	(33,160)
Cash at beginning of year				58,301				71,390	58,301	71,390	104,550
Cash at end of year	102,093				58,301				102,093	58,301	71,390
Parent Company [Member]
Operating activities
Net earnings									458,343	407,197	391,240
Adjustments to reconcile net earnings to net cash provided by operating activities:
Undistributed net earnings of subsidiaries									(404,468)	(404,441)	(392,486)
Change in accrued interest receivable on intercompany loans									(9,190)	(9,097)	(3,154)
Change in accounts payable and accrued liabilities									41,729	(13,866)	23,629
(Gain) loss on investments									(16,746)	(7,691)	309
Other, net									14,907	28,555	3,947
Cash provided by operating activities									84,575	657	23,485
Investing activities
Sales of available for sale fixed maturity securities									123,447	78,350	87,099
Sales of equity securities									158,630	39,974	9,780
Sales of other investments									0	23,720	21,736
Maturity or call of available for sale fixed maturity securities									153,261	31,054	105,982
Cost of available for sale fixed maturity securities acquired									(187,680)	(20,030)	(6,666)
Cost of equity securities acquired									1,533	53,723	124,710
Change in short-term investments									(70,261)	15,911	(20,987)
Cash contributions to subsidiaries									(100,610)	(49,892)	(30,250)
Change in receivable from/payable to subsidiaries									(10,753)	(18,748)	776
Intercompany loans to subsidiaries									(2,579)	(7,228)	(66,765)
Payments on intercompany loans to subsidiaries									0	19,157	51,427
Payments for purchase of business and other									(6,043)
Cash provided by investing activities									55,879	58,545	27,422
Financing activities
Issuance of notes payable									0	0	25,000
Advances on line of credit									275,000	180,000	185,000
Payments on line of credit									(105,000)	(110,000)	(80,000)
Sale of common stock									20,237	12,908	59,838
Purchase of common stock									(224,706)	(47,869)	(173,028)
Dividends paid									(96,544)	(71,967)	(64,345)
Payments on notes payable									0	(25,000)	0
Cash used by financing activities									(131,013)	(61,928)	(47,535)
Net increase (decrease) in cash									9,441	(2,726)	3,372
Cash at beginning of year				2,206				4,932	2,206	4,932	1,560
Cash at end of year	$ 11,647				$ 2,206				$ 11,647	$ 2,206	$ 4,932