XML 148 R129.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stockholders' Equity - Narrative (Details) |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 27, 2017 $ / shares | Jan. 20, 2017 $ / shares | Jan. 10, 2017 shares | Jan. 10, 2017 $ / shares shares | Apr. 02, 2015 | Mar. 31, 2017 USD ($) | Mar. 31, 2017 $ / shares | Mar. 31, 2017 $ / shares | Dec. 31, 2018 USD ($) vote quarter director $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2016 USD ($) $ / shares shares | May 23, 2018 USD ($) | Feb. 26, 2018 USD ($) | Sep. 01, 2017 USD ($) | Feb. 23, 2017 USD ($) | Dec. 31, 2015 shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption amount per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 25.00 |  |  |  |  |  |  |
Number of directors vote entitles | director |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) | shares |  |  | 39,466,000 | 39,466,000 |  |  |  |  | 57,464,000 | 65,464,000 |  |  |  |  |  |
Proceeds from issuance of preferred stock, net |  |  |  |  |  |  |  |  | $ 0 | $ 638,100,000 | $ 0 |  |  |  |  |
Common stock conversion ratio for Class A to Class B / OP Units |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Common stock, dividends, per share, declared (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 0.24 | $ 0.27 | $ 0.44 | $ 1.08 | $ 1.08 |  |  |  |  |
Class A common stock acquired under the DRIP Plan (in shares) | shares |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |
Minimum affirmative vote required for changes to any series of preferred stock |  |  |  |  |  |  |  |  | 66.67% |  |  |  |  |  |  |
Minimum period of dividend defaults providing preferred stockholders to voting rights | quarter |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase, authorized amount |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000 | $ 300,000,000 |  |  |
Stock repurchase, period for repurchase |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |
Shares repurchased (in shares) | shares |  |  |  |  |  |  |  |  | 61,417,755 |  |  |  |  |  |  |
Value of shares repurchased |  |  |  |  |  |  |  |  | $ 350,100,000 |  |  |  |  |  |  |
Weighted average price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 5.70 |  |  |  |  |  |  |
Voting rights attributable to each share | vote |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Voting rights attributable to each share | vote |  |  |  |  |  |  |  |  | 36.5 |  |  |  |  |  |  |
Series I |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) | shares |  |  |  |  |  |  |  |  | 13,800,000 |  |  |  |  |  |  |
Dividend rate per annum, preferred stock |  |  |  |  |  |  |  |  | 7.15% |  |  |  |  |  |  |
Series J |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) | shares |  |  |  |  |  |  |  |  | 12,600,000 |  |  |  |  |  |  |
Dividend rate per annum, preferred stock |  |  |  |  |  |  |  |  | 7.125% |  |  |  |  |  |  |
Series I and J Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of preferred stock, net |  |  |  |  |  |  |  |  |  | $ 637,900,000 |  |  |  |  |  |
Series A, B, C, F Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock redemptions payable |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 644,900,000 |  |
Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption amount per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 25.00 |  |  |  |  |  |  |
Preferred stock, shares outstanding (in shares) | shares |  |  |  |  |  |  |  |  | 57,464,000 | 65,464,000 | 25,030,000 |  |  |  |  | 25,030,000
Liquidation preference per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 25.00 |  |  |  |  |  |  |
Colony NorthStar | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid (in dollars per share) | $ / shares |  | $ 0.04444 |  | $ 0.03 |  |  |  |  |  |  |  |  |  |  |  |
Colony NorthStar | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio |  |  | 1.4663 | 1.4663 |  |  |  |  | 1.4663 |  |  |  |  |  |  |
Colony NorthStar | Class B Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio |  |  | 1.4663 |  |  |  |  |  |  |  |  |  |  |  |  |
Colony NorthStar | Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
NSAM | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends paid (in dollars per share) | $ / shares | $ 1.16 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
NSAM | Colony NorthStar | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio |  |  | 1.4663 |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock conversion ratio for Class A to Class B / OP Units |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Call Spread | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares repurchased (in shares) | shares |  |  |  |  |  |  |  |  |  | 2,150,120 |  |  |  |  |  |
Value of shares repurchased |  |  |  |  |  |  |  |  |  | $ 29,800,000 |  |  |  |  |  |
Short | Call Spread | NSAM | Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement |  |  |  |  |  | $ 21,900,000 |  |  |  |  |  |  |  |  |  |
Cash pledged as collateral, released |  |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  |  |  |  |
Share Repurchase Program | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase, authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000.0 |
Shares repurchased (in shares) | shares |  |  |  |  |  |  |  |  |  | 23,371,071 |  |  |  |  |  |
Weighted average price per share (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 12.84 |  |  |  |  |  |

X
- Definition Business Combination, Stock Exchange, Conversion Ratio + References No definition available. + Details
Name: | clny_BusinessCombinationStockExchangeConversionRatio
Namespace Prefix: | clny_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cash Pledged As Collateral Released + References No definition available. + Details
Name: | clny_CashPledgedAsCollateralReleased
Namespace Prefix: | clny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Common Stock, Conversion Ratio + References No definition available. + Details
Name: | clny_CommonStockConversionRatio
Namespace Prefix: | clny_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum Affirmative Vote Required for Changes to Any Series of Preferred Stock + References No definition available. + Details
Name: | clny_MinimumAffirmativeVoteRequiredforChangestoAnySeriesofPreferredStock
Namespace Prefix: | clny_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Minimum period of dividend defaults providing preferred stockholders to voting rights. + References No definition available. + Details
Name: | clny_MinimumPeriodOfDividendDefaultsProvidingPreferredStockholdersToVotingRights
Namespace Prefix: | clny_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Directors vote entitles. + References No definition available. + Details
Name: | clny_NumberOfDirectorsVoteEntitles
Namespace Prefix: | clny_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Option Indexed to Issuer's Equity, Cash Settlement + References No definition available. + Details
Name: | clny_OptionIndexedtoIssuersEquityCashSettlement
Namespace Prefix: | clny_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Stock Repurchase Program, Period For Repurchase + References No definition available. + Details
Name: | clny_StockRepurchaseProgramPeriodForRepurchase
Namespace Prefix: | clny_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of vote per share. + References No definition available. + Details
Name: | clny_VotingRightsAttributabletoEachShare
Namespace Prefix: | clny_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + 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_CommonStockDividendsPerShareCashPaid
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + 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_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 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 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21484-112644 + Details
Name: | us-gaap_PreferredStockLiquidationPreference
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644 + Details
Name: | us-gaap_PreferredStockRedemptionAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644 + Details
Name: | us-gaap_PreferredStockRedemptionPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + References Reference 1: 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_PreferredStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. + References Reference 1: 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 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: 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 2: 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 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 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: 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_TreasuryStockValueAcquiredCostMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=clny_SeriesIPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=clny_SeriesJPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=clny_SeriesIandJPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=clny_SeriesABCFPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=clny_ColonyNorthStarMergerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | dei_LegalEntityAxis=clny_NSAMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_CallOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=clny_A2017ShareRepurchaseProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |