Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block]: Short-duration Insurance Contracts, Claims Development (Details) $ in Thousands | Dec. 31, 2019USD ($) | Dec. 31, 2018USD ($) | Dec. 31, 2017USD ($) | Dec. 31, 2016USD ($) | Dec. 31, 2015USD ($) | Dec. 31, 2014USD ($) | Dec. 31, 2013USD ($) | Dec. 31, 2012USD ($) | Dec. 31, 2011USD ($) | Dec. 31, 2010USD ($) |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | $ 138,136 | | | | | | | | | |
Specialty Health Segment Member | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 415,985 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 375,740 | | | | | | | | | |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented | 266 | | | | | | | | | |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | 40,511 | | | | | | | | | |
Specialty Health Segment Member | Short-duration Insurance Contracts, Accident Year 2015 | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 101,260 | $ 100,642 | $ 101,241 | $ 100,988 | $ 104,497 | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 293 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 467,232 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 100,967 | 99,364 | 97,603 | 94,757 | 70,090 | | | | | |
Specialty Health Segment Member | Short-duration Insurance Contracts, Accident Year 2016 | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 85,399 | 86,244 | 86,446 | 85,426 | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 1,161 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 538,382 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 84,238 | 82,983 | 78,611 | 45,454 | | | | | | |
Specialty Health Segment Member | Short-duration Insurance Contracts, Accident Year 2017 | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 77,194 | 77,214 | 87,070 | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 1,275 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 628,748 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 75,918 | 73,667 | 49,289 | | | | | | | |
Specialty Health Segment Member | Short-duration Insurance Contracts, Accident Year 2018 | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 69,206 | 74,652 | | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 4,259 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 661,819 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 64,947 | 46,574 | | | | | | | | |
Specialty Health Segment Member | Short-Duration Insurance Contract, Accident Year 2019 | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 82,926 | | | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 33,257 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 537,636 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 49,670 | | | | | | | | | |
Group disability, life, DBL and PFL | NY Short-Term Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 22,774 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 18,000 | | | | | | | | | |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | $ 22,774 | | | | | | | | | |
Group disability, life, DBL and PFL | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 205,838 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 156,436 | | | | | | | | | |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented | 17,737 | | | | | | | | | |
Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net | 67,139 | | | | | | | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2015 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 14,552 | 14,705 | 16,630 | 19,247 | 25,335 | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 219 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 3,253 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 17,623 | 17,203 | 16,634 | 14,034 | 6,825 | | | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2016 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 25,988 | 27,359 | 28,568 | 28,450 | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 331 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 3,498 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 20,261 | 19,269 | 16,379 | 8,333 | | | | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2017 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 22,851 | 26,021 | 29,897 | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 425 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 3,777 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 17,901 | 16,139 | 8,459 | | | | | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2018 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 26,610 | 29,766 | | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 1,603 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 3,997 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 16,109 | 8,417 | | | | | | | | |
Group disability, life, DBL and PFL | Short-Duration Insurance Contract, Accident Year 2019 | NY Short-Term Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 65,452 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | 42,678 | | | | | | | | | |
Group disability, life, DBL and PFL | Short-Duration Insurance Contract, Accident Year 2019 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 34,518 | | | | | | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 10,972 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 3,439 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 11,794 | | | | | | | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2010 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 6,857 | 6,938 | 7,239 | 6,599 | 3,030 | $ 3,965 | $ 4,245 | $ 6,263 | $ 10,561 | $ 11,990 |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 0 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 2,311 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 12,902 | 12,565 | 12,200 | 11,797 | 11,284 | 10,762 | 10,345 | 9,799 | 8,200 | $ 3,197 |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2011 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 16,546 | 16,516 | 16,712 | 16,672 | 15,730 | 15,271 | 16,166 | 16,948 | 18,558 | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 0 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 2,337 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 12,979 | 12,522 | 11,993 | 11,363 | 10,737 | 10,186 | 9,622 | 8,191 | $ 3,252 | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2012 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 11,883 | 12,161 | 12,472 | 12,585 | 12,177 | 12,187 | 13,708 | 15,356 | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 0 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 2,263 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 10,177 | 9,924 | 9,509 | 8,997 | 8,591 | 8,033 | 7,003 | $ 3,069 | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2013 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 31,545 | 31,378 | 31,664 | 32,070 | 29,893 | 30,832 | 32,952 | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 505 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 2,629 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 25,029 | 23,460 | 21,536 | 19,428 | 16,424 | 12,541 | $ 5,454 | | | |
Group disability, life, DBL and PFL | Short-duration Insurance Contracts, Accident Year 2014 | Group Disability Product Line | | | | | | | | | | |
Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net | 14,488 | 14,311 | 14,414 | 14,792 | 13,322 | 16,314 | | | | |
Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net | $ 165 | | | | | | | | | |
Short-duration Insurance Contract, Cumulative Number of Reported Claims | 2,783 | | | | | | | | | |
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net | $ 11,661 | $ 11,142 | $ 10,623 | $ 9,919 | $ 8,466 | $ 3,663 | | | | |