XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Equity - Rollforward (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ 805,696 | $ 756,863 | $ 758,648 | $ 756,635 | $ 757,167 | $ 753,140 | $ 740,048 | $ 758,648 | $ 740,048
Common Stock cash distributions | (22,600) | (22,590) | (22,578) | (22,555) | (22,554) | (22,558) | (22,552) |  |
Proceeds from common stock issued, net of issuance costs | 929 |  |  |  |  |  | 14,529 |  |
Stock-based compensation expense | 1,487 | 1,521 | 1,376 | 1,282 | 1,283 | 1,425 | 1,259 |  |
Net income | 34,937 | 68,936 | 20,359 | 19,834 | 20,616 | 25,377 | 21,513 | 124,232 | 67,506
Non-controlling interests contribution | 2,882 | 1,081 |  | 3,488 |  |  |  |  |
Non-controlling interest distributions | (17) |  |  |  |  |  |  |  |
Other | (21) | (107) | (1,065) | (22) |  | (296) | (1,651) |  |
Balance at end of period | 823,293 | 805,696 | 756,863 | 758,648 | 756,635 | 757,167 | 753,140 | 823,293 | 756,635
Parent |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | 801,127 | 753,375 | 755,160 | 756,635 | 757,167 | 753,140 | 740,048 | 755,160 | 740,048
Common Stock cash distributions | (22,600) | (22,590) | (22,578) | (22,555) | (22,554) | (22,558) | (22,552) |  |
Proceeds from common stock issued, net of issuance costs | 929 |  |  |  |  |  | 14,529 |  |
Stock-based compensation expense | 1,487 | 1,521 | 1,376 | 1,282 | 1,283 | 1,425 | 1,259 |  |
Net income | 34,920 | 68,936 | 20,359 | 19,834 | 20,616 | 25,377 | 21,513 |  |
Other | (21) | (107) | (1,065) | (22) |  | (296) | (1,651) |  |
Balance at end of period | 815,842 | 801,127 | 753,375 | 755,160 | 756,635 | 757,167 | 753,140 | 815,842 | 756,635
Common Stock |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | 396 | 396 | 396 | 396 | 396 | 396 | 392 | 396 | 392
Proceeds from common stock issued, net of issuance costs | 1 |  |  |  |  |  | 3 |  |
Balance at end of period | 397 | 396 | 396 | 396 | 396 | 396 | 396 | 397 | 396
Capital in Excess of Par Value |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | 858,832 | 857,426 | 856,992 | 855,746 | 854,340 | 853,132 | 839,005 | 856,992 | 839,005
Proceeds from common stock issued, net of issuance costs | 928 |  |  |  |  |  | 14,526 |  |
Stock-based compensation expense | 1,487 | 1,521 | 1,376 | 1,282 | 1,283 | 1,425 | 1,259 |  |
Other | (21) | (107) | (1,065) | (22) |  | (296) | (1,651) |  |
Balance at end of period | 861,226 | 858,832 | 857,426 | 856,992 | 855,746 | 854,340 | 853,132 | 861,226 | 855,746
Cumulative Net Income |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | 1,190,078 | 1,121,142 | 1,100,783 | 1,080,949 | 1,060,333 | 1,034,956 | 1,013,443 | 1,100,783 | 1,013,443
Net income | 34,920 | 68,936 | 20,359 | 19,834 | 20,616 | 25,377 | 21,513 |  |
Balance at end of period | 1,224,998 | 1,190,078 | 1,121,142 | 1,100,783 | 1,080,949 | 1,060,333 | 1,034,956 | 1,224,998 | 1,080,949
Cumulative Distributions |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | (1,248,179) | (1,225,589) | (1,203,011) | (1,180,456) | (1,157,902) | (1,135,344) | (1,112,792) | (1,203,011) | (1,112,792)
Common Stock cash distributions | (22,600) | (22,590) | (22,578) | (22,555) | (22,554) | (22,558) | (22,552) |  |
Balance at end of period | (1,270,779) | (1,248,179) | (1,225,589) | (1,203,011) | $ (1,180,456) | $ (1,157,902) | $ (1,135,344) | (1,270,779) | $ (1,180,456)
Non-controlling Interests |  |  |  |  |  |  |  |  |
Equity activity |  |  |  |  |  |  |  |  |
Balance at beginning of period | 4,569 | 3,488 | 3,488 |  |  |  |  | 3,488 |
Net income | 17 |  |  |  |  |  |  |  |
Non-controlling interests contribution | 2,882 | 1,081 |  | 3,488 |  |  |  |  |
Non-controlling interest distributions | (17) |  |  |  |  |  |  |  |
Balance at end of period | $ 7,451 | $ 4,569 | $ 3,488 | $ 3,488 |  |  |  | $ 7,451 |

X
- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_DividendsCommonStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_IncreaseDecreaseInStockholdersEquityRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in noncontrolling interest from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
Name: | us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669619-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669625-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3000-108585 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569616-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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=84234705&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
- Definition This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. + References No definition available. + Details
Name: | us-gaap_StockholdersEquityOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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_AccumulatedDistributionsInExcessOfNetIncomeMember
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: |