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Schedule II Financial Information of Registrant Parent Company Balance Sheet (Details) - USD ($) $ / shares in Units, $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Assets |  |  |  |  |  |
Fixed-maturities available for sale—at fair value (amortized cost $1,893,356 and $528,660) |  | $ 1,865,461 | $ 536,890 |  |  |
Equity securities available for sale—at fair value (cost $75,538 and $76,900) |  | 75,430 | 143,368 |  |  |
Trading securities—at fair value |  | 1,279,137 | 1,633,584 |  |  |
Other short-term investments |  | 1,076,944 | 1,300,872 |  |  |
Cash |  | 46,898 | 30,465 |  | $ 22,880 | $ 29,408
Restricted cash |  | 13,000 | 14,031 |  |  |
Investment in subsidiaries, at equity in net assets |  | 2,900,000 |  |  |  |
Property and equipment, at cost (less accumulated depreciation of $51,567 and $50,648) | [1] | 46,802 | 27,248 |  |  |
Other assets (Note H) |  | 354,420 | 357,864 |  |  |
Assets held for sale |  | 0 | 1,736,444 | [2] |  |
Total assets |  | 5,642,100 | 6,842,336 |  |  |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |
Long-term debt (Note 11) |  | 1,219,454 | 1,192,299 |  |  |
Other liabilities |  | 269,016 | 326,743 |  |  |
Liabilities held for sale |  | 0 | 947,008 |  |  |
Total liabilities |  | 3,145,169 | 4,670,586 |  |  |
Common stock: par value $.001 per share; 485,000,000 shares authorized at December 31, 2015 and 2014; 224,432,465 and 208,601,020 shares issued at December 31, 2015 and 2014, respectively; 206,871,768 and 191,053,530 shares outstanding at December 31, 2015 and 2014, respectively |  | 224 | 209 |  |  |
Treasury stock, at cost: 17,560,697 and 17,547,490 shares at December 31, 2015 and 2014, respectively |  | (893,176) | (892,961) |  |  |
Additional paid-in capital |  | 2,716,618 | 2,531,513 |  |  |
Retained earnings |  | 691,742 | 406,814 |  |  |
Accumulated other comprehensive (loss) income (“AOCI”) (Note 12) |  | (18,477) | 51,485 |  |  |
Total common stockholders’ equity |  | 2,496,931 | 2,097,060 |  |  |
Balance Sheet Parentheticals [Abstract] |  |  |  |  |  |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |  | $ 106,900 | $ 100,200 |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 | $ 0.001 |  |  |
Common Stock, Shares Authorized |  | 485,000,000 | 485,000,000 |  |  |
Common Stock, Shares, Issued |  | 224,432,465 | 208,601,020 |  |  |
Common Stock, Shares, Outstanding |  | 206,871,768 | 191,053,530 |  |  |
Treasury Stock, Shares |  | 17,560,697 | 17,547,490 |  |  |
Investments |  | $ 4,298,686 | $ 3,629,299 |  |  |
Parent Company |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |
Notes Receivable, Related Parties |  | 300,000 | 300,000 |  |  |
Assets |  |  |  |  |  |
Fixed-maturities available for sale—at fair value (amortized cost $1,893,356 and $528,660) |  | 41,176 | 0 |  |  |
Equity securities available for sale—at fair value (cost $75,538 and $76,900) |  | 25,510 | 0 |  |  |
Trading securities—at fair value |  | 5,482 | 5,447 |  |  |
Other short-term investments |  | 158,658 | 631,934 |  |  |
Cash |  | 3,301 | 1,951 |  | $ 4,304 | $ 2,978
Restricted cash |  | 124 | 124 |  |  |
Investment in subsidiaries, at equity in net assets |  | 3,001,846 | 2,746,915 |  |  |
Accounts and Notes Receivable, Net |  | 631,636 | 305,856 |  |  |
Other assets (Note H) |  | 124,983 | 31,394 |  |  |
Assets held for sale |  | 0 | 18,027 |  |  |
Total assets |  | 3,992,716 | 3,741,648 |  |  |
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |  |  |  |  |
Long-term debt (Note 11) |  | 1,219,454 | 1,192,299 |  |  |
Federal income taxes—current and deferred |  | 229,939 | 262,583 |  |  |
Other liabilities |  | 46,392 | 96,989 |  |  |
Liabilities held for sale |  | 0 | 18,027 |  |  |
Total liabilities |  | 1,495,785 | 1,569,898 |  |  |
Equity component of currently redeemable convertible senior notes (Note 11) |  | 0 | 74,690 |  |  |
Common stock: par value $.001 per share; 485,000,000 shares authorized at December 31, 2015 and 2014; 224,432,465 and 208,601,020 shares issued at December 31, 2015 and 2014, respectively; 206,871,768 and 191,053,530 shares outstanding at December 31, 2015 and 2014, respectively |  | 224 | 209 |  |  |
Treasury stock, at cost: 17,560,697 and 17,547,490 shares at December 31, 2015 and 2014, respectively |  | (893,176) | (892,961) |  |  |
Additional paid-in capital |  | 2,716,618 | 2,531,513 |  |  |
Retained earnings |  | 691,742 | 406,814 |  |  |
Accumulated other comprehensive (loss) income (“AOCI”) (Note 12) |  | (18,477) | 51,485 |  |  |
Total common stockholders’ equity |  | 2,496,931 | 2,097,060 |  |  |
Total liabilities and stockholders’ equity |  | 3,992,716 | 3,741,648 |  |  |
Balance Sheet Parentheticals [Abstract] |  |  |  |  |  |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |  | $ 0 | $ 50,648 |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 | $ 0.001 |  |  |
Common Stock, Shares Authorized |  | 485,000,000 | 485,000,000 |  |  |
Common Stock, Shares, Issued |  | 0 | 208,601,020 |  |  |
Common Stock, Shares, Outstanding |  | 0 | 191,053,530 |  |  |
Treasury Stock, Shares |  | 0 | 17,547,490 |  |  |
Investments |  | $ 230,826 | $ 637,381 |  |  |
[1] | Property and equipment, at cost less accumulated depreciation of $106.9 million and $100.2 million at December 31, 2015 and 2014, respectively.
[2] | Assets held for sale are not part of the Mortgage Insurance or Services segments.

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