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RESERVE FOR LOSSES AND LOSS EXPENSES (DETAILS 6) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2008 | Dec. 31, 2007
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | $ 7,426,671 |  |  |  |  |  |  |  |  |
Insurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 3,212,646 |  |  |  |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 2,455,975 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 5,376 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 582,637 |  |  |  |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 173,233 |  |  |  |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 280,577 | $ 124,166 |  |  |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 398,150 | 345,785 | $ 173,615 |  |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 359,867 | 345,866 | 302,372 | $ 128,519 |  |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 372,567 | 364,966 | 341,818 | 278,331 | $ 107,441 |  |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 305,007 | 305,184 | 304,349 | 282,382 | 221,701 | $ 88,982 |  |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 111,349 | 111,543 | 111,450 | 107,257 | 96,449 | 87,621 | $ 48,970 |  |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 79,717 | 79,435 | 77,228 | 76,212 | 75,366 | 71,529 | 63,009 | $ 34,370 |  |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 228,945 | 228,989 | 229,498 | 227,438 | 224,874 | 197,852 | 186,147 | 164,425 | $ 83,640 |
Insurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 146,563 | 146,807 | 146,717 | 146,404 | 139,931 | 137,481 | 134,379 | 126,050 | 105,253 | $ 54,533
Insurance [Member] | Marine Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 534,472 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 6,114 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 253,308 |  |  |  |  |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 12,459 |  |  |  |  |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 54,575 | 21,584 |  |  |  |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 26,111 | 14,877 | 6,359 |  |  |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 61,737 | 53,633 | 43,193 | 18,309 |  |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 49,891 | 49,100 | 44,463 | 38,301 | 10,669 |  |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 60,181 | 59,481 | 57,677 | 54,618 | 44,004 | 26,431 |  |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 45,634 | 44,730 | 43,962 | 41,158 | 32,327 | 27,822 | 17,387 |  |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 49,845 | 49,588 | 47,082 | 46,490 | 44,535 | 40,968 | 31,745 | 18,938 |  |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 83,772 | 83,692 | 83,546 | 83,465 | 79,737 | 78,641 | 70,590 | 54,266 | 22,745 |
Insurance [Member] | Marine Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 90,267 | 90,115 | 86,792 | 85,211 | 85,219 | 82,021 | 76,551 | 57,907 | 35,176 | 14,828
Insurance [Member] | Aviation Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 101,322 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 2,410 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 54,550 |  |  |  |  |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 10,396 |  |  |  |  |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 16,137 | 8,077 |  |  |  |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 11,672 | 8,011 | 3,985 |  |  |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 11,427 | 9,731 | 7,317 | 4,398 |  |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 6,793 | 5,927 | 4,133 | 2,848 | 951 |  |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 5,796 | 5,547 | 5,015 | 4,499 | 2,813 | 638 |  |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 7,788 | 7,345 | 7,230 | 6,567 | 5,995 | 3,819 | 745 |  |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 13,617 | 14,120 | 14,183 | 13,819 | 12,697 | 6,957 | 3,516 | 2,022 |  |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 5,514 | 5,258 | 4,651 | 4,475 | 4,205 | 3,655 | 3,074 | 2,057 | 488 |
Insurance [Member] | Aviation Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 12,182 | 12,148 | 12,126 | 12,129 | 11,781 | 11,100 | 10,498 | 9,219 | 6,692 | 2,400
Insurance [Member] | Credit and Political Risk Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 613,658 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 20 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 51,637 |  |  |  |  |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 0 |  |  |  |  |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 23,309 | 0 |  |  |  |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 61,108 | 39,951 | 1,924 |  |  |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 5,216 | 3,726 | 2,235 | 745 |  |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 36 | 0 | 0 | 0 | 0 |  |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 27,636 | 27,636 | 27,636 | 27,636 | 37,205 | 32,788 |  |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 102,152 | 101,946 | 101,784 | 106,766 | 90,729 | 85,418 | 50,000 |  |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 345,555 | 345,507 | 345,508 | 341,564 | 346,209 | 346,248 | 344,648 | 92,841 |  |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 44,410 | 44,410 | 44,410 | 45,379 | 45,379 | 45,638 | 45,625 | 69,217 | 0 |
Insurance [Member] | Credit and Political Risk Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 4,236 | 4,236 | 4,236 | 4,236 | 4,236 | 4,236 | 4,236 | 4,263 | 2,798 | 0
Insurance [Member] | Professional Lines Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 1,620,938 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 31,393 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 1,717,559 |  |  |  |  |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 15,707 |  |  |  |  |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 68,050 | 20,745 |  |  |  |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 132,966 | 73,828 | 25,351 |  |  |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 182,468 | 136,542 | 75,901 | 18,305 |  |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 240,671 | 194,031 | 106,822 | 44,804 | 8,895 |  |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 250,219 | 177,629 | 117,097 | 78,605 | 36,396 | 8,470 |  |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 119,939 | 109,403 | 96,431 | 78,663 | 57,282 | 30,353 | 8,179 |  |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 174,032 | 136,271 | 117,174 | 105,510 | 76,121 | 49,396 | 24,559 | 4,251 |  |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 267,314 | 249,050 | 214,542 | 189,952 | 167,923 | 125,594 | 68,355 | 22,565 | 5,154 |
Insurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 169,572 | 168,368 | 161,153 | 150,649 | 139,144 | 114,021 | 102,031 | 49,258 | 18,301 | 3,817
Insurance [Member] | Liability Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 512,474 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 39,713 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 552,955 |  |  |  |  |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 6,307 |  |  |  |  |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 22,323 | 5,437 |  |  |  |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 49,816 | 18,620 | 1,410 |  |  |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 42,044 | 33,314 | 23,275 | 2,355 |  |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 37,138 | 30,144 | 15,410 | 5,513 | 1,630 |  |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 54,996 | 46,074 | 38,376 | 20,190 | 10,540 | 2,761 |  |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 71,792 | 66,118 | 61,033 | 53,584 | 30,791 | 15,968 | 1,030 |  |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 83,991 | 44,105 | 41,322 | 31,865 | 26,754 | 13,305 | 4,646 | 726 |  |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 61,618 | 55,314 | 51,776 | 47,447 | 37,408 | 27,861 | 18,507 | 8,796 | 1,906 |
Insurance [Member] | Liability Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 82,449 | 80,150 | 76,411 | 69,335 | 60,080 | 52,660 | 40,853 | 22,206 | 5,968 | 436
Reinsurance [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 4,214,025 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 3,699,618 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 4,498 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 823,463 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 77,205 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 187,229 | 48,121 |  |  |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 346,856 | 271,621 | 65,721 |  |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 355,706 | 328,765 | 218,110 | 54,451 |  |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 337,115 | 322,801 | 300,983 | 228,876 | 92,620 |  |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 961,477 | 888,222 | 859,089 | 759,930 | 557,409 | 246,222 |  |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 519,128 | 494,362 | 465,358 | 419,571 | 388,310 | 296,764 | 104,263 |  |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 188,103 | 186,448 | 183,729 | 184,513 | 174,250 | 156,617 | 126,587 | 55,694 |  |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 509,433 | 510,628 | 505,939 | 506,139 | 502,377 | 489,821 | 437,973 | 312,580 | 157,415 |
Reinsurance [Member] | Property and Other Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 217,366 | 215,894 | 217,756 | 219,809 | 215,294 | 211,499 | 203,754 | 189,166 | 159,438 | 58,955
Reinsurance [Member] | Credit and Surety Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 756,004 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 3,865 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 356,668 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 41,768 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 79,523 | 32,757 |  |  |  |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 83,536 | 59,406 | 35,261 |  |  |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 95,282 | 88,904 | 74,740 | 32,113 |  |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 104,802 | 101,328 | 95,544 | 82,707 | 48,576 |  |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 79,807 | 77,734 | 73,282 | 66,120 | 50,959 | 22,198 |  |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 58,579 | 57,263 | 56,304 | 54,849 | 54,023 | 44,156 | 25,558 |  |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 83,185 | 83,338 | 83,281 | 80,635 | 76,863 | 74,948 | 73,878 | 31,892 |  |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 82,026 | 81,790 | 81,152 | 79,414 | 77,425 | 75,801 | 61,530 | 63,686 | 20,345 |
Reinsurance [Member] | Credit and Surety Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 47,496 | 46,734 | 46,356 | 36,580 | 35,328 | 34,476 | 33,178 | 28,797 | 24,105 | 13,612
Reinsurance [Member] | Professional Lines Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 797,667 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 26,189 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 1,154,464 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 1,755 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 13,503 | 3,134 |  |  |  |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 48,714 | 13,049 | 2,019 |  |  |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 64,809 | 30,403 | 12,020 | 1,059 |  |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 85,753 | 53,440 | 29,527 | 10,346 | 776 |  |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 102,813 | 84,672 | 57,119 | 30,216 | 11,812 | 1,510 |  |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 123,711 | 107,096 | 76,635 | 52,066 | 31,198 | 12,000 | 1,740 |  |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 137,842 | 127,697 | 108,140 | 83,537 | 62,988 | 32,286 | 8,588 | 914 |  |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 132,194 | 123,672 | 108,226 | 91,554 | 70,329 | 49,053 | 21,620 | 6,411 | 373 |
Reinsurance [Member] | Professional Lines Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 86,573 | 82,406 | 73,941 | 70,636 | 60,188 | 54,438 | 34,567 | 21,286 | 4,133 | 56
Reinsurance [Member] | Motor Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 559,617 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 78,865 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 811,156 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 59,989 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 89,516 | 56,940 |  |  |  |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 88,652 | 70,547 | 42,546 |  |  |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 72,085 | 62,830 | 50,230 | 33,173 |  |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 80,182 | 74,063 | 64,918 | 50,904 | 28,703 |  |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 80,593 | 74,955 | 68,802 | 58,841 | 45,270 | 23,397 |  |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 27,017 | 23,957 | 19,972 | 17,068 | 13,939 | 9,299 | 5,138 |  |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 24,535 | 20,167 | 17,973 | 12,037 | 8,761 | 7,346 | 6,343 | 2,533 |  |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 15,452 | 13,975 | 13,366 | 10,788 | 8,438 | 6,984 | 5,827 | 5,612 | 2,741 |
Reinsurance [Member] | Motor Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 21,596 | 20,433 | 18,527 | 13,710 | 11,616 | 9,939 | 6,127 | 4,150 | 3,881 | 1,663
Reinsurance [Member] | Liability Reserve Class [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 710,523 |  |  |  |  |  |  |  |  |
All outstanding liabilities before 2007, net of reinsurance | 28,494 |  |  |  |  |  |  |  |  |
Liabilities for claims and claim adjustment expenses, net of reinsurance | 1,068,274 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2016 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 11,859 |  |  |  |  |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2015 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 27,440 | 7,267 |  |  |  |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2014 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 48,363 | 28,645 | 7,086 |  |  |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2013 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 69,021 | 52,299 | 22,214 | 5,965 |  |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2012 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 78,037 | 58,639 | 28,354 | 12,791 | 3,540 |  |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2011 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 112,066 | 92,221 | 69,886 | 39,983 | 21,274 | 5,190 |  |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2010 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 108,476 | 97,167 | 83,542 | 62,207 | 46,123 | 17,576 | 2,405 |  |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2009 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 127,354 | 123,051 | 103,871 | 73,197 | 56,586 | 44,429 | 17,100 | 1,703 |  |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2008 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | 57,686 | 53,578 | 51,786 | 43,397 | 36,497 | 29,991 | 21,917 | 9,940 | 2,156 |
Reinsurance [Member] | Liability Reserve Class [Member] | Accident Year 2007 [Member] |  |  |  |  |  |  |  |  |  |
Claims Development [Line Items] |  |  |  |  |  |  |  |  |  |
Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance | $ 70,221 | $ 66,791 | $ 65,026 | $ 59,966 | $ 54,374 | $ 42,081 | $ 32,641 | $ 22,833 | $ 10,663 | $ 2,556

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount, after reinsurance, of paid claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=65670685&loc=SL65671311-158438 + Details
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