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Note 14 - Commitments and Contingencies Other (Details) $ in Millions	Dec. 31, 2018 USD ($) transaction
Guaranteed Structure Transactions [Abstract]
Number of Guaranteed Structured Transactions For Radian Guaranty | transaction	2
Reserve For Contract Underwriting Obligations | $	$ 0.2
Indirect Guarantee of Indebtedness
Guaranteed Structure Transactions [Abstract]
Number of Guaranteed Structured Transactions For Radian Guaranty | transaction	2
Guarantor Obligations, Maximum Exposure, Undiscounted | $	$ 87.8

X

- Definition

Guaranteed Structure Transactions [Abstract]

+ References

No definition available.

+ Details

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- Definition

Number of Guaranteed Structured Transactions For Radian Guaranty

+ References

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- Definition

Reserve For Contract Underwriting Obligations

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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