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Commitments and Contingencies (Details) - USD ($) |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Sep. 16, 2015 | May 31, 2014 | Jun. 30, 2013 | Jun. 30, 2017 | Dec. 31, 2016
Senior Notes [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Face amount of debt instrument |  |  |  | $ 500,000,000 | $ 500,000,000
Senior Notes [Member] | Senior Notes Due 2024 [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Face amount of debt instrument |  |  |  | $ 250,000,000 | $ 250,000,000
Debt instrument, interest rate, stated percentage |  |  |  | 4.40% | 4.40%
Senior Notes [Member] | Senior Notes Due 2023 [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Face amount of debt instrument |  |  |  | $ 250,000,000 | $ 250,000,000
Debt instrument, interest rate, stated percentage |  |  |  | 4.25% | 4.25%
LCIF [Member] | Maximum [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 6.50% | 6.50%
LCIF [Member] | Senior Notes [Member] | Senior Notes Due 2024 [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Face amount of debt instrument |  | $ 250,000,000 |  |  |
Debt instrument, redemption price, percentage |  | 99.883% |  |  |
Debt instrument, interest rate, stated percentage |  | 4.40% |  |  |
LCIF [Member] | Senior Notes [Member] | Senior Notes Due 2023 [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Face amount of debt instrument |  |  | $ 250,000,000 |  |
Debt instrument, redemption price, percentage |  |  | 99.026% |  |
Debt instrument, interest rate, stated percentage |  |  | 4.25% |  |
Bridgewater Hills Corporate Center, LLC [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Damages sought | $ 9,200,000 |  |  |  |
Legal costs |  |  |  | $ 1,895,000 |
Bridgewater Hills Corporate Center, LLC [Member] | Maximum [Member] |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Estimate of possible loss (shall not exceed) | $ 10,000,000 |  |  |  |

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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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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 Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. + 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 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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