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Debt (Details 3) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Unamortized debt issuance costs | $ (3,000) | $ (3,100)
Total | 158,557 | 158,679
Unsecured Debt [Member] |  |
Total Principal | 159,864 | 160,044
Unamortized debt issuance costs | (1,307) | (1,365)
Total | 158,557 | 158,679
Unsecured Debt [Member] | Term Loan 2019 [Member] |  |
Debt Instrument, Face Amount | 19,864 | 20,044
Unsecured Debt [Member] | Term Loan 2020 [Member] |  |
Debt Instrument, Face Amount | 35,000 | 35,000
Unsecured Debt [Member] | Term Loan 2021 [Member] |  |
Debt Instrument, Face Amount | 65,000 | 65,000
Unsecured Debt [Member] | Term Loan 2023 [Member] |  |
Debt Instrument, Face Amount | $ 40,000 | $ 40,000

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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