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Revenue Recognition - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Lessor, Lease, Description [Line Items] |  |
Receivables from customers | $ 278 | $ 460
Minimum |  |
Lessor, Lease, Description [Line Items] |  |
Remaining term of lease | 1 year |
Maximum |  |
Lessor, Lease, Description [Line Items] |  |
Remaining term of lease | 40 years |

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- Definition Lessor, Operating Lease, Remaining Term of Contract + References No definition available. + Details
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- 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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Definition Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | instant

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- Details
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- Details
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