XML 51 R25.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Reinsurance (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2017
Reinsurance Disclosures [Abstract] |
Effect of reinsurance agreement | The effect of all of our reinsurance agreements on premiums earned and losses incurred is as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Premiums earned: |  |  |  |  |  |  |  |
Direct |  | $ | 261,180 |  |  | $ | 263,566 |  |  | $ | 520,608 |  |  | $ | 518,953 |
Assumed |  | 62 |  |  | 182 |  |  | 160 |  |  | 390 |
Ceded |  | (30,106 | ) |  | (32,292 | ) |  | (60,529 | ) |  | (66,546 | )
Net premiums earned | $ | 231,136 |  |  | $ | 231,456 |  |  | $ | 460,239 |  |  | $ | 452,797 |
Losses incurred: |  |  |  |  |  |  |  |
Direct |  | $ | 31,396 |  |  | $ | 54,863 |  |  | $ | 63,809 |  |  | $ | 147,295 |
Assumed |  | 61 |  |  | 339 |  |  | 166 |  |  | 440 |
Ceded |  | (4,118 | ) |  | (8,612 | ) |  | (9,017 | ) |  | (16,133 | )
Losses incurred, net |  | $ | 27,339 |  |  | $ | 46,590 |  |  | $ | 54,958 |  |  | $ | 131,602 |
Effect of quota share reinsurance agreements on premiums earned and losses incurred | Following is a summary of our quota share reinsurance agreements, excluding captive agreements discussed below, for the three and six months ended June 30, 2017 and 2016.
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Ceded premiums written and earned, net of profit commission (1) |  | $ | 28,917 |  |  | $ | 29,961 |  |  | $ | 57,812 |  |  | $ | 61,627 |
Ceded losses incurred |  | 4,424 |  |  | 6,070 |  |  | 9,111 |  |  | 14,583 |
Ceding commissions (2) |  | 12,248 |  |  | 11,946 |  |  | 24,251 |  |  | 23,522 |
Profit commission |  | 32,325 |  |  | 29,767 |  |  | 63,442 |  |  | 55,982 |
(1) | Under our QSR Transactions, premiums are ceded on an earned and received basis as defined in the agreements.
(2) | Ceding commissions are reported within Other underwriting and operating expenses, net on the consolidated statements of operations.

X
- Definition Tabular disclosure of the effect of quota share reinsurance agreements on premiums earned and losses incurred. + References No definition available. + Details
Name: | mtg_EffectOfQuotaShareReinsuranceAgreementsOnPremiumsEarnedAndLossesIncurredTableTextBlock
Namespace Prefix: | mtg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the effects of reinsurance, for example, but not limited to, disclosure of direct, assumed, and ceded insurance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
Name: | us-gaap_EffectsOfReinsuranceTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReinsuranceDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration