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Loss Contingencies - Narrative (Details) - USD ($) $ in Millions	Oct. 28, 2020	Apr. 27, 2020	Jun. 21, 2019	Dec. 31, 2020	Mar. 31, 2020	Sep. 30, 2019	Dec. 31, 2016
Bureau of the Fiscal Service
Loss Contingencies [Line Items]
Loss contingency, damages sought, value			$ 5.4
United States Department of Education Matter
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss				$ 6.5
Amount awarded to other party		$ 3.0
Legal reserve					$ 1.0	$ 1.0
United States Department of Education Matter | Higher One
Loss Contingencies [Line Items]
Escrow deposit							$ 1.0
Specialty's Cafe Bakery, Inc. Matter
Loss Contingencies [Line Items]
Loss contingency, damages sought, value	$ 8.1

X

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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X

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

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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.

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X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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-SubTopic 20
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-Paragraph 9
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X

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248

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