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Debt (Subordinated Debt Joint Venture Partners Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015
Debt Instrument [Line Items] |  |
Long-term Debt | $ 27,716,999 | $ 29,641,863
Subordinated Debt Joint Ventures Partners [Member] |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 0.00% |
Interest rate paid on unpaid interest | 19.50% |
Subordinated Debt Joint Ventures Partners Before Amendment [Member] |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 20.00% |
Minimum [Member] | Subordinated Debt Joint Ventures Partners [Member] |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 15.00% |
Subordinated Debt [Member] |  |
Debt Instrument [Line Items] |  |
Long-term Debt | $ 1,555,548 | 1,564,045
Subordinated Debt [Member] | Subordinated Debt Joint Ventures Partners [Member] |  |
Debt Instrument [Line Items] |  |
Long-term Debt | $ 55,780 | $ 64,280

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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