XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.19.2

Basis of Presentation - Statement of Beneficiaries' Equity (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | --- | --- | ---
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity | $ 1,729,665 | $ 1,760,463 | $ 1,811,028 | $ 1,830,525 | $ 1,847,251 | $ 1,826,870
Additional Paid-in Capital [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity | 3,188,239 | 3,186,774 | 3,200,312 | 3,222,585 | 3,221,560 | 3,218,077
Cumulative Earnings [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity | 781,017 | 774,812 | 775,625 | 697,916 | 685,166 | 641,093
Noncontrolling Interest [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity | $ 11,846 | 12,025 | 12,201 | 17,246 | 17,375 | 17,258
As Previously Reported [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  |  | 1,832,573 |  |  |
As Previously Reported [Member] | Additional Paid-in Capital [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | 3,187,312 | 3,200,850 | 3,223,072 | 3,222,047 | 3,218,564
As Previously Reported [Member] | Cumulative Earnings [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | 795,186 | 796,513 | 717,515 | 704,506 | 660,174
As Previously Reported [Member] | Noncontrolling Interest [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | 12,142 | 12,320 | 17,410 | 17,538 | 17,420
Adjustments [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  |  | (21,545) |  |  |
Adjustments [Member] | Additional Paid-in Capital [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | (538) | (538) | (487) | (487) | (487)
Adjustments [Member] | Cumulative Earnings [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | (20,374) | (20,888) | (19,599) | (19,340) | (19,081)
Adjustments [Member] | Noncontrolling Interest [Member] |  |  |  |  |  |
Error Corrections And Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |
Statement of Beneficiaries' Equity |  | $ (117) | $ (119) | $ (164) | $ (163) | $ (162)

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
Name: | us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RestatementAxis=srt_ScenarioPreviouslyReportedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RestatementAxis=srt_RestatementAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |