Business Segments (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Business segment information by geographical areas
Long-lived assets	$ 2,261,580	$ 2,298,539	$ 2,261,580	$ 2,298,539
Revenues	363,701	374,912	451,222	441,270
Income (loss) from continuing operations before income taxes and discontinued operations	98,415	92,016	(97)	(26,748)
Domestic
Business segment information by geographical areas
Long-lived assets	2,152,746	2,190,725	2,152,746	2,190,725
Revenues			402,663	397,486
Income (loss) from continuing operations before income taxes and discontinued operations			(7,371)	(31,634)
Foreign
Business segment information by geographical areas
Long-lived assets	108,834	107,814	108,834	107,814
Revenues			48,559	43,784
Income (loss) from continuing operations before income taxes and discontinued operations			$ 7,274	$ 4,886

Sum of operating profit, nonoperating income (expense), income (loss) from equity method investments, and reorganization items but before income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest.

No definition available.

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- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 38

-Subparagraph b(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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