Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Statement of operations information
Revenues	$ 520,741	$ 418,529	$ 1,389,440	$ 1,189,827
Intersegment revenue	917	1,033	2,698	2,487
Depreciation and amortization	4,336	4,751	13,423	14,343
Earnings (loss) before taxes and noncontrolling interests	39,364	7,689	62,650	7,003
Balance sheet information
Identifiable assets	1,237,858		1,237,858		1,156,141
Title [Member]
Statement of operations information
Revenues	477,643	396,035	1,273,381	1,113,384
Intersegment revenue	(5)	62	23	165
Depreciation and amortization	3,544	4,339	10,839	12,583
Earnings (loss) before taxes and noncontrolling interests	24,971	147	25,891	(27,482)
Balance sheet information
Identifiable assets	1,144,842		1,144,842		1,090,419
REI [Member]
Statement of operations information
Revenues	43,098	22,494	116,059	76,443
Intersegment revenue	922	971	2,675	2,322
Depreciation and amortization	792	412	2,584	1,760
Earnings (loss) before taxes and noncontrolling interests	14,393	7,542	36,759	34,485
Balance sheet information
Identifiable assets	$ 93,016		$ 93,016		$ 65,722