Note 11 - Losses and LAE Additional Disclosures: Cumulative Paid Claims / Reconciliation of Outstanding Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2019		Dec. 31, 2018		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserve for losses and LAE		$ 404,765		$ 401,361
Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		4,064,177
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		4,390,053
Mortgage Insurance Segment
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	[1]	14,594		11,009		$ 8,350	$ 6,851
Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Unallocated Claim Adjustment Expense		8,920
Reserve for losses and LAE		401,273	[2],[3]	397,891	[3]	507,588	760,269
Mortgage Insurance Segment | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Liability for Unpaid Claims and Claims Adjustment Expense, Net	[4]	377,759
Mortgage and Real Estate Services Segment
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Reserve for losses and LAE	[5]	3,492		3,470
Short-duration Insurance Contracts, Accident Year 2010 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		1,214,558		1,210,281		1,198,031	1,178,546	$ 1,145,497	$ 1,055,935	$ 956,598	$ 700,316	$ 394,278	$ 11,810
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		1,225,474		1,221,938		1,219,469	1,218,264	1,220,289	1,207,774	1,195,056	1,192,482	1,215,136	$ 1,102,856
Short-duration Insurance Contracts, Accident Year 2011 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		1,052,688		1,048,966		1,038,582	1,016,855	982,830	892,959	756,820	323,216	40,392
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		1,064,054		1,060,376		1,059,116	1,061,161	1,062,579	1,050,555	1,052,277	1,152,016	$ 1,058,625
Short-duration Insurance Contracts, Accident Year 2012 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		704,770		702,136		692,291	672,271	631,982	528,744	295,332	19,200
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		713,839		713,750		714,783	715,646	720,502	711,213	763,969	$ 803,831
Short-duration Insurance Contracts, Accident Year 2013 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		392,818		388,688		379,036	357,087	307,361	191,040	34,504
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		399,356		400,243		402,259	404,333	401,444	405,334	$ 505,732
Short-duration Insurance Contracts, Accident Year 2014 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		252,619		246,611		233,607	200,422	115,852	13,108
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		261,507		260,098		264,620	265,891	247,074	$ 337,784
Short-duration Insurance Contracts, Accident Year 2015 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		172,645		163,916		142,421	84,271	10,479
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		183,546		183,952		178,042	198,186	$ 222,555
Short-duration Insurance Contracts, Accident Year 2016 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		134,115		119,357		76,616	11,061
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		148,811		149,753		165,440	$ 201,016
Short-duration Insurance Contracts, Accident Year 2017 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		99,678		66,585		24,653
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		133,357		151,802		$ 180,851
Short-duration Insurance Contracts, Accident Year 2018 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		36,066		5,584
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		116,634		$ 131,513
Short-Duration Insurance Contracts, Accident Year 2019 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		4,220
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net		143,475
Short-duration Insurance Contracts, Accident Year Prior to 2010 | Property, Liability and Casualty Insurance Product Line
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items]
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net		$ 51,883

[1] Related to ceded losses recoverable, if any, on reinsurance transactions. See Note 8 for additional information.

[2] Excludes Services reserve for losses and LAE of $3.5 million.

[3] Primarily comprises first lien primary case reserves of $339.8 million and $361.7 million at December 31, 2019 and 2018, respectively.

[4] Calculated as follows: (In thousands)   Incurred losses, net of reinsurance $ 4,390,053
Add: All outstanding liabilities before 2010, net of reinsurance 51,883
Less: Cumulative paid claims, net of reinsurance 4,064,177
Liabilities for claims, net of reinsurance $ 377,759

[5] A majority of this amount is subject to reinsurance, with the related reinsurance recoverables reported in other assets in our consolidated balance sheet, and relates to Radian Title Insurance. For all periods presented, total incurred losses and paid claims for Radian Title Insurance were not material.