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SCHEDULE IV REINSURANCE (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Premiums earned |  |  |
Gross amount | $ 1,198.1 | $ 1,322.0 | $ 1,233.5
Ceded to other companies | (113.5) | (179.7) | (119.4)
Assumed from other companies | 29.4 | 45.9 | 70.9
Net earned premiums | 1,114.0 | 1,188.2 | 1,185.0
OneBeacon |  |  |
Premiums earned |  |  |
Gross amount | 1,177.0 | 1,298.0 | 1,209.1
Ceded to other companies | (105.8) | (167.7) | (102.9)
Assumed from other companies | 29.4 | 45.9 | 70.9
Net earned premiums | $ 1,100.6 | $ 1,176.2 | $ 1,177.1
Percentage of amount assumed to net | 2.70% | 3.90% | 6.00%
HG/BAM |  |  |
Premiums earned |  |  |
Gross amount | $ 5.9 | $ 3.3 | $ 1.8
Ceded to other companies | 0.0 | 0.0 | 0.0
Assumed from other companies | 0.0 | 0.0 | 0.0
Net earned premiums | $ 5.9 | $ 3.3 | $ 1.8
Percentage of amount assumed to net | 0.00% | 0.00% | 0.00%
Other Segments |  |  |
Premiums earned |  |  |
Gross amount | $ 15.2 | $ 20.7 | $ 22.6
Ceded to other companies | (7.7) | (12.0) | (16.5)
Assumed from other companies | 0.0 | 0.0 | 0.0
Net earned premiums | $ 7.5 | $ 8.7 | $ 6.1
Percentage of amount assumed to net | 0.00% | 0.00% | 0.00%

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- Definition Amount of earned premiums ceded to other entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(2) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 + Details
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- Definition Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -Subparagraph (b),(c)(1) -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=34713774&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 + Details
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