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Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2016
Temporary Equity [Line Items] |  |
Preferred Stock, Shares Issued |  | 120,000
Preferred Stock, Liquidation Preference, Value |  | $ 120.0
Preferred Stock, Value, Issued |  | $ 142.0
Preferred Stock, Dividend Rate, Percentage | 8.00% |
Preferred stock annual dividends | $ 9.6 |
Total shares available for issuance (in shares) |  | 5,393,000
Preferred Stock Initial Conversion Price per Share | $ 22.25 |
Common Stock [Member] |  |
Temporary Equity [Line Items] |  |
Shares issued upon conversion (in shares) |  | 44.9438

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- Definition Number of shares issued for each share of convertible preferred stock that is converted. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 + Details
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