Investments Continuous Unrealized Loss Position (Details) (USD $) | Mar. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 |
In Thousands, unless otherwise specified |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $12,172 | | $4,256 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 699 | 321 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 12,172 | | 4,256 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 699 | 321 | |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 299 | 342 | |
US Government Agencies Debt Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 220 | | 12,784 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 10 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 473 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 220 | | 13,257 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | 10 | |
Foreign Government Debt Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 0 | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 0 | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 4,152 | | 4,242 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 285 | 277 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 4,152 | | 4,242 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 285 | 277 | |
US States and Political Subdivisions Debt Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | | | 250 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | | 250 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | | 0 | |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 1,594 | | 2,816 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 9 | 15 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,594 | | 2,816 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 9 | 15 | |
Asset-backed Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 2,597 | | 5,097 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 2 | 10 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,597 | | 5,097 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 2 | 10 | |
Corporate Debt Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 2,176 | | 6,226 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 3 | 20 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 10 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,176 | | 6,226 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 3 | 30 | |
Fixed Maturities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 6,587 | | 27,173 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 14 | 55 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 4,152 | | 4,715 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 285 | 287 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 10,739 | | 31,888 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 299 | 342 | |
Common Stock [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 11,188 | | 4,164 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 595 | 284 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 11,188 | | 4,164 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 595 | 284 | |
Warrant [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 984 | | 92 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 104 | 37 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 984 | | 92 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 104 | 37 | |
Available-for-sale Securities [Member] | | | |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | 18,759 | | 31,429 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 713 | 376 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 4,152 | | 4,715 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 285 | 287 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 22,911 | | 36,144 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | $998 | $663 | |