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Debt Obligations | 12 Months Ended
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Dec. 31, 2016
Debt Obligations |
Debt Obligations | 8. Debt Obligations The following table sets forth information regarding debt obligations by component as of December 31, 2016 and 2015 (dollar amounts in thousands):
|  |  |  | At December 31, 2016 |  | At December 31, 2015 |
|  | Applicable |  |  |  | Available |  |  |  | Available |
|  | Interest |  | Outstanding |  | for |  | Outstanding |  | for |
Debt Obligations |  | Rate(1) |  | Balance |  | Borrowing |  | Balance |  | Borrowing |
Bank borrowings (2) |  | 2.25% |  | $ | 107,100 |  | $ | 492,900 |  | $ | 120,500 |  | $ | 479,500 |
Senior unsecured notes, net of debt issue costs (3) |  | 4.50% |  |  | 502,291 |  |  | 22,500 |  |  | 451,372 |  |  | 33,333 |
Total |  | 4.11% |  | $ | 609,391 |  |  |  |  | $ | 571,872 |  |  |  |
| (1) |  | Represents weighted average of interest rate as of December 31, 2016.
| (2) |  | Subsequent to December 31, 2016, we repaid $107,100, accordingly we have no outstanding balance and $600,000 available for borrowing.
| (3) |  | Subsequent to December 31, 2016, we paid $4,167 in regular scheduled principal payments and sold $100,000 senior unsecured notes. Additionally, we amended our shelf agreement with Prudential. Accordingly, we have $598,124 of senior unsecured notes outstanding and $36,667 available under our shelf agreement.
Bank Borrowings. We have an Unsecured Credit Agreement that provides for a revolving line of credit up to $600,000,000. The Unsecured Credit Agreement matures on October 14, 2018 and provides for a one‑year extension option at our discretion, subject to customary conditions. Based on our leverage ratios at December 31, 2016, the amended facility provides for interest annually at LIBOR plus 150 basis points and the unused commitment fee was 35 basis points. Financial covenants contained in the Unsecured Credit Agreement, which are measured quarterly, require us to maintain, among other things:
| (i) |  | a ratio of total indebtedness to total asset value not greater than 0.5 to 1.0;
| (ii) |  | a ratio of secured debt to total asset value not greater than 0.35 to 1.0;
| (iii) |  | a ratio of unsecured debt to the value of the unencumbered asset value not greater than 0.6 to 1.0; and
| (iv) |  | a ratio of EBITDA, as calculated in the Unsecured Credit Agreement, to fixed charges not less than 1.50 to 1.0.
During the years ended December 31, 2016 and 2015, we borrowed $123,600,000 and $291,000,000, respectively, under our Unsecured Credit Agreement. Additionally, during the years ended December 31, 2016 and 2015, we repaid $137,000,000 and $170,500,000, respectively, under our unsecured revolving line of credits. At December 31, 2016 and 2015, we were in compliance with all covenants. Subsequent to December 31, 2016, we repaid our outstanding balance of $107,100,000 as discussed below. Accordingly, we have $600,000,000 available for borrowing. Senior Unsecured Notes. During the twelve months ended December 31, 2016, we sold $37,500,000 senior unsecured notes to affiliates and managed accounts of Prudential Investment Management, Inc. (or Prudential) with an annual fixed rate of 4.15%. The notes have an average 10-year life, scheduled principal payments and mature in 2028. During the twelve months ended December 31, 2016, we paid $26,667,000 in regular scheduled principal payments under our Prudential senior unsecured notes. Accordingly, at December 31, 2016, we had $22,500,000 available under our shelf agreement with Prudential. Subsequent to December 31, 2016, we paid $4,167,000 in regular scheduled principal payments and amended our shelf agreement with Prudential to increase our shelf commitment to $337,500,000. Additionally, subsequent to December 31, 2016, we sold 15-year senior unsecured notes in the aggregate amount of $100,000,000 to a group of institutional investors, which included Prudential, in a private placement transaction. The notes bear interest at an annual fixed rate of 4.5%, have scheduled principal payments and mature on February 16, 2032. Subsequent to this transaction, we have $36,667,000 available under our amended shelf agreement with Prudential. During 2016, we amended our agreement with AIG Asset Management (U.S.) LLC (or AIG) which provides for the possible issuance of up to an additional $40,000,000 unsecured notes. During 2016, we sold $40,000,000 senior unsecured term notes under our amended agreement with AIG to affiliated insurance company investment advisory clients of AIG with a coupon of 3.99%. The notes have an average 10-year life, fixed interest rate and will mature in 2031. During the year ended December 31, 2015, we repaid $29,167,000 in regularly scheduled principal payments. Additionally, we sold $100,000,000 senior unsecured term notes to Prudential with an annual fixed rate of 4.5% under this shelf agreement. Also, during 2015, we entered into a $100,000,000 note purchase and private shelf agreement with AIG for a three-year term and we sold $100,000,000 senior unsecured term notes to affiliates of AIG with an annual fixed rate of 4.26%. These notes have periodic scheduled principal payments and will mature on November 20, 2028. Bonds Payable. During 2014, we paid off a $1,400,000 multifamily tax‑exempt revenue bond that was secured by five assisted living communities in Washington. These bonds bore interest at a variable rate that reset weekly. During 2014, we paid $635,000 in regularly scheduled principal payments. Scheduled Principal Payments. The following table represents our long term contractual obligations (scheduled principal payments and amounts due at maturity) as of December 31, 2016, and excludes the effects of interest and debt issue costs (in thousands):
|  | Total |  | 2017 |  | 2018 |  | 2019 |  | 2020 |  | 2021 |  | Thereafter |
Bank borrowings |  | $ | 107,100 | (1) | $ | — |  | $ | 107,100 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Senior unsecured notes |  |  | 503,300 | (2) |  | 31,167 |  |  | 38,167 |  |  | 33,666 |  |  | 40,160 |  |  | 40,160 |  |  | 319,980 |
|  | $ | 610,400 |  | $ | 31,167 |  | $ | 145,267 |  | $ | 33,666 |  | $ | 40,160 |  | $ | 40,160 |  | $ | 319,980 |
| (1) |  | Subsequent to December 31, 2016, we repaid the $107,100 outstanding balance. Accordingly, we have $600,000 available under our unsecured revolving line of credit.
| (2) |  | Subsequent to December 31, 2016, we paid $4,167 in regular scheduled principal payments and sold $100,000 senior unsecured notes. Additionally, we amended our shelf agreement with Prudential. Accordingly, we have $598,124 of senior unsecured notes outstanding and $36,667 available under our shelf agreement.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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