Long-Term Debt

Long-term debt consisted of the following at September 30, 2017 and December 31, 2016 (in millions):



	September 30, 2017		December 31, 2016
Credit Facility	$	444.1	$	77.0
2020 Senior Notes	—		338.8
Fair value adjustment of 2020 Senior Notes	—		1.8
2022 Senior Notes	—		436.4
2023 Senior Notes	700.0		700.0
2025 Senior Notes	500.0		—
Other	2.4		3.7
Less: deferred financing costs, net	30.2		34.0
Total debt	1,616.3		1,523.7
Less: current portion	0.9		1.0
Total long-term debt, less current portion	$	1,615.4	$	1,522.7

Credit Facility

At September 30, 2017, Crestwood Midstream had $548.7 million of available capacity under its credit facility considering the most restrictive debt covenants in its credit agreement. At September 30, 2017 and December 31, 2016, Crestwood Midstream's outstanding standby letters of credit were $63.6 million and $64.0 million. Borrowings under the credit facility accrue interest at prime or Eurodollar based rates plus applicable spreads, which resulted in interest rates between 3.49% and 5.50% at September 30, 2017 and 3.21% and 5.25% at December 31, 2016. The weighted-average interest rate as of September 30, 2017 and December 31, 2016 was 3.50% and 3.23%.

Crestwood Midstream is required under its credit agreement to maintain a net debt to consolidated EBITDA ratio (as defined in its credit agreement) of not more than 5.50 to 1.0, a consolidated EBITDA to consolidated interest expense ratio (as defined in its credit agreement) of not less than 2.50 to 1.0, and a senior secured leverage ratio (as defined in its credit agreement) of not more than 3.75 to 1.0. At September 30, 2017, the net debt to consolidated EBITDA was approximately 4.13 to 1.0, the consolidated EBITDA to consolidated interest expense was approximately 4.08 to 1.0, and the senior secured leverage ratio was 1.11 to 1.0.

The CMLP credit facility allows Crestwood Midstream to increase its available borrowings under the facility by $350.0 million, subject to lender approval and the satisfaction of certain other conditions, as described in the credit agreement.

Senior Notes

Repayments. During the nine months ended September 30, 2017, Crestwood Midstream paid approximately $457.8 million to purchase, redeem and/or cancel all of the principal amount outstanding under the 2022 Senior Notes and approximately $349.9 million to redeem all of the principal amount outstanding under the 2020 Senior Notes. Crestwood Midstream funded the repayments with a combination of net proceeds from the issuance of the 2025 Senior Notes described below and borrowings under the credit facility. In conjunction with these note repayments, Crestwood Midstream (i) recognized a loss on extinguishment of debt of approximately $37.7 million during the nine months ended September 30, 2017 (including the write off of approximately $6.8 million of deferred financing costs associated with the 2022 Senior Notes); and (ii) paid $5.1 million and $1.0 million of accrued interest on the 2020 Senior Notes and 2022 Senior Notes, respectively, on the date they were tendered.

In June 2016, Crestwood Midstream paid approximately $312.9 million to purchase and cancel approximately $161.2 million and $163.6 million of the principal amounts outstanding under its 2020 Senior Notes and 2022 Senior Notes, respectively, utilizing a portion of the proceeds received from Stagecoach Gas, as further discussed in Note 4. Crestwood Midstream recognized a gain on extinguishment of debt of approximately $10 million in conjunction with the early tender of these notes.

2025 Senior Notes. In March 2017, Crestwood Midstream issued $500 million of 5.75% unsecured senior notes due 2025 (the 2025 Senior Notes) in a private offering. The 2025 Senior Notes will mature on April 1, 2025, and interest is payable semiannually in arrears on April 1 and October 1 of each year, beginning October 1, 2017. The net proceeds from this offering of approximately $492 million were used to repay amounts outstanding under the 2020 Senior Notes and the 2022 Senior Notes.

In May 2017, Crestwood Midstream filed a registration statement with the SEC under which it offered to exchange new senior notes for any and all outstanding 2025 Senior Notes. Crestwood Midstream completed the exchange offer in July 2017. The terms of the exchange notes are substantially identical to the terms of the 2025 Senior Notes, except that the exchange notes are freely tradable.

At September 30, 2017, Crestwood Midstream was in compliance with all of its debt covenants applicable to the CMLP credit facility and its senior notes.