Schedule 2 HCCIH Financial Statements (Parenthetical) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Available-for-sale Securities, Amortized Cost	$ 5,856,432	$ 5,385,432
Available-for-sale Equity Securities, Amortized Cost Basis	275,827	0
Other investments, amortized cost	18,391	38,230
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Available-for-sale Securities, Amortized Cost	311,085	221,188
Available-for-sale Equity Securities, Amortized Cost Basis	114,649	0
Other investments, amortized cost	$ 18,375	$ 38,037