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Note 3 - Segment Reporting Schedule of Segment Reporting Information by Segment (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($) | Sep. 30, 2018 USD ($) segment | Sep. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of Operating Segments | segment |  |  |  | 2 |  |
Net premiums earned—insurance |  | $ 258,431 | $ 236,702 | $ 752,325 | $ 687,598 |
Services revenue |  | 36,566 | 39,571 | 106,558 | 115,400 |
Net investment income |  | 38,995 | 32,540 | 110,424 | 93,643 |
Other income |  | 1,174 | 760 | 2,997 | 2,118 |
Policy acquisition costs |  | 5,667 | 5,554 | 18,780 | 18,406 |
Cost of services |  | 25,854 | 27,240 | 73,185 | 81,250 |
Other operating expenses before corporate allocations |  | 70,125 | 64,195 | 203,552 | 201,322 |
Restructuring and other exit costs |  | 4,464 | 12,038 | 5,940 | 12,038 |
Adjusted pretax operating income (loss) |  | 196,699 | 155,619 | 551,811 | 444,636 |
Net gains (losses) on investments and other financial instruments |  | (4,480) | 2,480 | (30,771) | 4,960 |
Total assets |  | 6,269,484 |  | 6,269,484 |  | $ 5,900,881
Mortgage Insurance Segment |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net premiums written—insurance | [1] | 253,827 | 247,810 | 743,765 | 713,782 |
(Increase) decrease in unearned premiums |  | 1,655 | (11,108) | 3,235 | (26,184) |
Net premiums earned—insurance |  | 255,482 | 236,702 | 747,000 | 687,598 |
Net investment income |  | 38,824 | 32,540 | 110,227 | 93,643 |
Other income |  | 725 | 760 | 2,153 | 2,118 |
Total | [2] | 295,031 | 270,002 | 859,380 | 783,359 |
Provision for losses |  | 20,715 | 35,980 | 77,468 | 100,926 |
Policy acquisition costs |  | 5,667 | 5,554 | 18,780 | 18,406 |
Other operating expenses before corporate allocations |  | 33,152 | 36,941 | 98,302 | 114,169 |
Total | [3] | 59,534 | 78,475 | 194,550 | 233,501 |
Adjusted pretax operating income (loss) before corporate allocations |  | 235,497 | 191,527 | 664,830 | 549,858 |
Allocation of corporate operating expenses |  | 19,794 | 11,737 | 58,507 | 41,817 |
Allocation of interest expense |  | 11,083 | 11,282 | 32,552 | 34,539 |
Adjusted pretax operating income (loss) | [4] | 204,620 | 168,508 | 573,771 | 473,502 |
Inter-segment expenses |  | 766 | 1,491 | 2,653 | 5,726 |
Total assets |  | 6,095,101 |  | 6,095,101 |  | 5,733,918
Mortgage and Real Estate Services Segment |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Corporate Cash and Investments Allocated to Segments |  | 0 |  | 0 |  |
Net premiums earned—insurance | [5] | 2,949 | 0 | 5,325 | 0 |
Services revenue | [6] | 37,332 | 41,062 | 109,211 | 121,126 |
Net investment income | [5] | 171 | 0 | 197 | 0 |
Other income | [5] | 449 | 0 | 844 | 0 |
Total | [6] | 40,901 | 41,062 | 115,577 | 121,126 |
Provision for losses | [5] | 242 | 0 | 295 | 0 |
Cost of services |  | 26,001 | 27,544 | 73,628 | 82,196 |
Other operating expenses before corporate allocations |  | 14,772 | 12,781 | 39,531 | 38,188 |
Restructuring and other exit costs | [7] | 407 | 5,463 | 1,987 | 5,463 |
Total |  | 41,422 | 45,788 | 115,441 | 125,847 |
Adjusted pretax operating income (loss) before corporate allocations |  | (521) | (4,726) | 136 | (4,721) |
Allocation of corporate operating expenses |  | 2,948 | 3,730 | 8,742 | 10,852 |
Allocation of interest expense |  | 4,452 | 4,433 | 13,354 | 13,293 |
Adjusted pretax operating income (loss) | [4] | (7,921) | (12,889) | (21,960) | (28,866) |
Inter-segment revenues |  | 766 | $ 1,491 | 2,653 | $ 5,726 |
Total assets |  | 174,383 |  | 174,383 |  | $ 166,963
Senior Notes | Senior Notes Due 2019 |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 300,000 |  | $ 300,000 |  |
[1] | Net of ceded premiums written under the QSR Program and the Single Premium QSR Program. See Note 7 for additional information.
[2] | Excludes net losses on investments and other financial instruments of $4.5 million and $30.8 million for the three and nine months ended September 30, 2018, and net gains on investments and other financial instruments of $2.5 million and $5.0 million for the three and nine months ended September 30, 2017, not included in adjusted pretax operating income.
[3] | Includes inter-segment expenses as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2018 |  | 2017 |  | 2018 |  | 2017
Inter-segment expenses | $ | 766 |  |  | $ | 1,491 |  |  | $ | 2,653 |  |  | $ | 5,726 |
[4] | Includes inter-segment expenses and revenues as listed in the notes to the preceding tables.
[5] | Results from inclusion of the operations of EnTitle Direct, a national title insurance and settlement services company, acquired in March 2018.
[6] | Includes inter-segment revenues as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) | 2018 |  | 2017 |  | 2018 |  | 2017
Inter-segment revenues | $ | 766 |  |  | $ | 1,491 |  |  | $ | 2,653 |  |  | $ | 5,726 |
[7] | Does not include impairment of long-lived assets and loss from the sale of a business line, which are not components of adjusted pretax operating income.

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