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Note 7 - Reinsurance Reinsurance Premiums Written and Earned (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Premiums Earned, Net [Abstract] |  |  |  |  |
Net premiums earned-insurance |  | $ 251,344 | $ 229,096 | $ 493,894 | $ 450,896
Mortgage Insurance Segment |  |  |  |  |
Premiums Written, Net [Abstract] |  |  |  |  |
Direct Premiums Written |  | 283,783 | 260,647 | 541,694 | 500,292
Ceded Premiums Written | [1] | (31,825) | (19,340) | (51,756) | (34,320)
Net premiums written | [2] | 251,958 | 241,307 | 489,938 | 465,972
Premiums Earned, Net [Abstract] |  |  |  |  |
Direct Premiums Earned |  | 265,581 | 243,229 | 524,324 | 479,291
Assumed Premiums Earned |  | 7 | 7 | 13 | 14
Ceded Premiums Earned | [1] | (16,620) | (14,140) | (32,819) | (28,409)
Net premiums earned-insurance |  | $ 248,968 | $ 229,096 | $ 491,518 | $ 450,896
[1] | Net of profit commission.
[2] | Net of ceded premiums written under the QSR Program and the Single Premium QSR Program. See Note 7 for additional information.

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- Definition Amount of earned premiums assumed from other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(1) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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