Business Acquisitions	9 Months Ended
Sep. 30, 2018
Business Combinations [Abstract]
Business Acquisitions	Business Acquisitions Acquisition of America’s 1st Choice On February 15, 2018, we completed our acquisition of Freedom Health, Inc., Optimum HealthCare, Inc., America’s 1st Choice of South Carolina, Inc. and related entities, or collectively, America’s 1st Choice, a Medicare Advantage organization that offers HMO products, including Chronic Special Needs Plans and Dual-Eligible Special Needs Plans under its Freedom Health and Optimum HealthCare brands in Florida and its America’s 1st Choice of South Carolina brand in South Carolina. At the time of acquisition, through its Medicare Advantage plans, America’s 1st Choice served approximately one hundred and thirty-five thousand members in twenty-five Florida and three South Carolina counties. This acquisition aligns with our plans for continued growth in the Medicare Advantage and Special Needs populations. In accordance with FASB accounting guidance for business combinations, the consideration transferred was allocated to the preliminary fair value of America's 1st Choice's assets acquired and liabilities assumed, including identifiable intangible assets. The excess of the consideration transferred over the preliminary fair value of net assets acquired resulted in preliminary goodwill of $1,021 at September 30, 2018, all of which was allocated to our Government Business segment. Preliminary goodwill recognized from the acquisition of America's 1st Choice primarily relates to the future economic benefits arising from the assets acquired and is consistent with our stated intentions to strengthen our position and expand operations in the government sector to service Medicare Advantage and Special Needs populations. As of September 30, 2018, the initial accounting for the acquisition has not been finalized. Any subsequent adjustments made to the assets acquired or liabilities assumed during the measurement period will be recorded as an adjustment to goodwill. During the nine months ended September 30, 2018, we increased preliminary goodwill by $31. The preliminary fair value of the net assets acquired from America's 1st Choice includes $711 of other intangible assets, which primarily consist of finite-lived customer relationships and provider networks with amortization periods ranging from 3 to 20 years. The results of operations of America's 1st Choice are included in our consolidated financial statements within our Government Business segment for the period following February 15, 2018. The pro forma effects of this acquisition for prior periods were not material to our consolidated results of operations. Acquisition of HealthSun On December 21, 2017, we completed our acquisition of HealthSun Health Plans, Inc., or HealthSun, which at the time of acquisition served approximately forty thousand members in the state of Florida through its Medicare Advantage plans, and which received a five-star rating from the Centers for Medicare & Medicaid Services. This acquisition aligns with our plans for continued growth in the Medicare Advantage and dual-eligible populations. In accordance with FASB accounting guidance for business combinations, the consideration transferred was allocated to the preliminary fair value of HealthSun's assets acquired and liabilities assumed, including identifiable intangible assets. The excess of the consideration transferred over the preliminary fair value of net assets acquired resulted in preliminary goodwill of $1,605 at September 30, 2018, all of which was allocated to our Government Business segment. Preliminary goodwill recognized from the acquisition of HealthSun primarily relates to the future economic benefits arising from the assets acquired and is consistent with our stated intentions to strengthen our position and expand operations in the government sector to service Medicare Advantage and dual-eligible enrollees. As of September 30, 2018, the initial accounting for the acquisition has not been finalized. Any subsequent adjustments made to the assets acquired or liabilities assumed during the measurement period will be recorded as an adjustment to goodwill. During the nine months ended September 30, 2018, we reduced preliminary goodwill by $38 primarily due to adjustments made to acquired intangible assets, partially offset by the establishment of certain deferred tax liabilities. The preliminary fair value of the net assets acquired from HealthSun includes $637 of other intangible assets, which primarily consist of finite-lived customer relationships with amortization periods ranging from 4 to 20 years. The results of operations of HealthSun are included in our consolidated financial statements within our Government Business segment for the period following December 21, 2017. The pro forma effects of this acquisition for prior periods were not material to our consolidated results of operations.

Business Acquisitions

Acquisition of America’s 1st Choice

On February 15, 2018, we completed our acquisition of Freedom Health, Inc., Optimum HealthCare, Inc., America’s 1st Choice of South Carolina, Inc. and related entities, or collectively, America’s 1st Choice, a Medicare Advantage organization that offers HMO products, including Chronic Special Needs Plans and Dual-Eligible Special Needs Plans under its Freedom Health and Optimum HealthCare brands in Florida and its America’s 1st Choice of South Carolina brand in South Carolina. At the time of acquisition, through its Medicare Advantage plans, America’s 1st Choice served approximately one hundred and thirty-five thousand members in twenty-five Florida and three South Carolina counties. This acquisition aligns with our plans for continued growth in the Medicare Advantage and Special Needs populations.

In accordance with FASB accounting guidance for business combinations, the consideration transferred was allocated to the preliminary fair value of America's 1st Choice's assets acquired and liabilities assumed, including identifiable intangible assets. The excess of the consideration transferred over the preliminary fair value of net assets acquired resulted in preliminary goodwill of $1,021 at September 30, 2018, all of which was allocated to our Government Business segment. Preliminary goodwill recognized from the acquisition of America's 1st Choice primarily relates to the future economic benefits arising from the assets acquired and is consistent with our stated intentions to strengthen our position and expand operations in the government sector to service Medicare Advantage and Special Needs populations. As of September 30, 2018, the initial accounting for the acquisition has not been finalized. Any subsequent adjustments made to the assets acquired or liabilities assumed during the measurement period will be recorded as an adjustment to goodwill. During the nine months ended September 30, 2018, we increased preliminary goodwill by $31.

The preliminary fair value of the net assets acquired from America's 1st Choice includes $711 of other intangible assets, which primarily consist of finite-lived customer relationships and provider networks with amortization periods ranging from 3 to 20 years. The results of operations of America's 1st Choice are included in our consolidated financial statements within our Government Business segment for the period following February 15, 2018. The pro forma effects of this acquisition for prior periods were not material to our consolidated results of operations.

Acquisition of HealthSun

On December 21, 2017, we completed our acquisition of HealthSun Health Plans, Inc., or HealthSun, which at the time of acquisition served approximately forty thousand members in the state of Florida through its Medicare Advantage plans, and which received a five-star rating from the Centers for Medicare & Medicaid Services. This acquisition aligns with our plans for continued growth in the Medicare Advantage and dual-eligible populations.

In accordance with FASB accounting guidance for business combinations, the consideration transferred was allocated to the preliminary fair value of HealthSun's assets acquired and liabilities assumed, including identifiable intangible assets. The excess of the consideration transferred over the preliminary fair value of net assets acquired resulted in preliminary goodwill of $1,605 at September 30, 2018, all of which was allocated to our Government Business segment. Preliminary goodwill recognized from the acquisition of HealthSun primarily relates to the future economic benefits arising from the assets acquired and is consistent with our stated intentions to strengthen our position and expand operations in the government sector to service Medicare Advantage and dual-eligible enrollees. As of September 30, 2018, the initial accounting for the acquisition has not been finalized. Any subsequent adjustments made to the assets acquired or liabilities assumed during the measurement period will be recorded as an adjustment to goodwill. During the nine months ended September 30, 2018, we reduced preliminary goodwill by $38 primarily due to adjustments made to acquired intangible assets, partially offset by the establishment of certain deferred tax liabilities.

The preliminary fair value of the net assets acquired from HealthSun includes $637 of other intangible assets, which primarily consist of finite-lived customer relationships with amortization periods ranging from 4 to 20 years. The results of operations of HealthSun are included in our consolidated financial statements within our Government Business segment for the period following December 21, 2017. The pro forma effects of this acquisition for prior periods were not material to our consolidated results of operations.