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Non-Controlling Interests and Equity (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Sep. 30, 2015
Variable Interest Entity [Line Items] |  |  |  |  |  |
Term of extension of call option |  | 6 months | 6 months | 6 months | 6 months | 6 months
Term of extension of put option |  | 6 months | 6 months | 6 months | 1 year | 1 year
Percentage of investor contributed capital balance, percentage | 7.00% |  |  |  |  |
Remaining investor contributed capital balance | 5.00% |  |  |  |  |
Redeemable non-controlling interests | $ 31,939,000 | $ 31,616,000 |  |  |  |
Minimum |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Exercise price of put options | 659 |  |  |  |  |
Maximum |  |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |  |
Exercise price of put options | $ 917 |  |  |  |  |

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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764 + Details
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