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Investments (Narrative) (Details) 1 - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2008
Unrealized gain (loss) on investment under fair value method |  |  | $ 6,600,000 | $ 14,000,000 |  |
Gain (Loss) on Disposition of Assets |  |  | $ (11,000) | (109,000) |  |
kaleo |  |  |  |  |  |
Total cash invested in private company |  |  |  |  |  | $ 7,500,000
Ownership interest percentage |  |  | 20.00% |  |  |
Carrying value | $ 91,200,000 |  | $ 91,200,000 |  | $ 84,600,000 |
Other Interest and Dividend Income |  |  | 17,582,000 |  |  |
Unrealized gain (loss) on investment under fair value method | 7,100,000 | $ 5,800,000 | 24,182,000 | 14,000,000 |  |
Unrealized Gain Loss On Investments Net Of Tax | $ 5,600,000 |  | $ 19,900,000 |  |  |
Unrealized Gain Loss On Investment Under Fair Value Method After Taxes |  | $ 4,523,000 |  | $ (10,900,000) |  |
Basis point decrease of weighted average cost of capital assumption |  |  |  |  |  |
Basis point increase of weighted average cost of capital assumption |  |  |  |  |  |
DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
EV-to-Adjusted EBITDA Multiple Method |  |  | 5.1 x |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 50.00% |  | 50.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 75,400 |  | $ 75,400 |  |  |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate |  |  | 15.00% |  |  |
DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
EV-to-Adjusted EBITDA Multiple Method |  |  | 6.1 x |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 83,300 |  | $ 83,300 |  |  |
DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
EV-to-Adjusted EBITDA Multiple Method |  |  | 7.1 x |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | $ 91,200 |  |  |
DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
EV-to-Adjusted EBITDA Multiple Method |  |  | 8.1 x |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 99,100 |  | $ 99,100 |  |  |
DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
EV-to-Adjusted EBITDA Multiple Method |  |  | 9.1 x |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 107,000 |  | $ 107,000 |  |  |
EBITDA Multiple Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 80.00% |  | 80.00% |  |  |
40% [Domain] | DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 40.00% |  | 40.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 72,300 |  | $ 72,300 |  |  |
40% [Domain] | DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 81,700 |  | 81,700 |  |  |
40% [Domain] | DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | 91,200 |  |  |
40% [Domain] | DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 100,700 |  | 100,700 |  |  |
40% [Domain] | DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 110,200 |  | $ 110,200 |  |  |
30% [Domain] | DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 30.00% |  | 30.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 69,100 |  | $ 69,100 |  |  |
30% [Domain] | DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 80,100 |  | 80,100 |  |  |
30% [Domain] | DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | 91,200 |  |  |
30% [Domain] | DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 102,300 |  | 102,300 |  |  |
30% [Domain] | DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 113,300 |  | $ 113,300 |  |  |
20% [Domain] | DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 20.00% |  | 20.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 65,900 |  | $ 65,900 |  |  |
20% [Domain] | DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 78,600 |  | 78,600 |  |  |
20% [Domain] | DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | 91,200 |  |  |
20% [Domain] | DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 103,800 |  | 103,800 |  |  |
20% [Domain] | DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 116,500 |  | $ 116,500 |  |  |
10% [Domain] | DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 10.00% |  | 10.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 62,700 |  | $ 62,700 |  |  |
10% [Domain] | DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 77,000 |  | 77,000 |  |  |
10% [Domain] | DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | 91,200 |  |  |
10% [Domain] | DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 105,400 |  | 105,400 |  |  |
10% [Domain] | DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 119,600 |  | $ 119,600 |  |  |
0% [Domain] | DCF Method for Fair Value Estimate [Member] | kaleo |  |  |  |  |  |
Weighting of EBITDA Multiple Method versus DCF Method | 0.00% |  | 0.00% |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 59,600 |  | $ 59,600 |  |  |
0% [Domain] | DCF Method for Fair Value Estimate [Member] | 8.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 75,400 |  | 75,400 |  |  |
0% [Domain] | DCF Method for Fair Value Estimate [Member] | 9.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 91,200 |  | 91,200 |  |  |
0% [Domain] | DCF Method for Fair Value Estimate [Member] | 10.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | 107,000 |  | 107,000 |  |  |
0% [Domain] | DCF Method for Fair Value Estimate [Member] | 11.6x [Domain] | kaleo |  |  |  |  |  |
Fair Value Sensitivity Analysis: Weighting to DCF Method at Varied EV-to-Adjusted EBITDA Multiple | $ 122,800 |  | $ 122,800 |  |  |

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