Investments Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2013 |
Schedule of Available-for-sale Securities [Line Items] | | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | $ 4,632 | | $ 4,256 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 982 | $ 321 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 4,632 | | 4,256 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 982 | 321 | |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 83 | 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 | 7,276 | | 12,784 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 29 | 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 | 7,276 | | |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 29 | | |
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 |
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 | | | 4,242 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | | 277 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | | 4,242 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | | 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 | 4,398 | | 2,816 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 32 | 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 | 4,398 | | 2,816 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 32 | 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 | 3,343 | | 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 | 3,343 | | 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 | 6,557 | | 6,226 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 20 | 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 | 6,557 | | 6,226 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 20 | 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 | 21,574 | | 27,173 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 83 | 55 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 4,715 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 287 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 21,574 | | 31,888 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 83 | 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 | 4,559 | | 4,164 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 930 | 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 | 4,559 | | 4,164 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 930 | 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 | 73 | | 92 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 52 | 37 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 73 | | 92 |
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | 52 | 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 | 26,206 | | 31,429 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | 1,065 | 376 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 0 | | 4,715 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 287 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 26,206 | | $ 36,144 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | $ 1,065 | $ 663 | |