4. Indebtedness

The components of long-term debt and notes payable are as follows:

	December 31, 2014		March 31, 2015
	(in thousands)

6.375% senior notes (1)	$	711,465	$	711,408
Senior secured credit facilities:
Revolving loan	60,000		100,000
Term loans (2)	775,996		749,490
Other	5,515		19,789
Total debt	1,552,976		1,580,687
Less: current maturities	10,874		11,060
Total long-term debt	$	1,542,102	$	1,569,627

(1)

Includes unamortized premium of $1.5 million and $1.4 million at December 31, 2014 and March 31, 2015, respectively.

(2)

Includes unamortized discounts of $4.2 million and $3.8 million at December 31, 2014 and March 31, 2015, respectively.

Excess Cash Flow Payment

On March 4, 2015, Select made a principal prepayment of $26.9 million associated with its term loans in accordance with the provision in its senior secured credit facilities agreement that requires mandatory prepayments of term loans resulting from excess cash flow as defined in the senior secured credit facilities.

Maturities of Long-Term Debt and Notes Payable

Maturities of the Company’s long-term debt for the period from April 1, 2015 through December 31, 2015 and the years after 2015 are approximately as follows and are presented including the discounts on the senior secured credit facility term loans and premium on the senior notes (in thousands):

April 1, 2015 — December 31, 2015	$	8,805
2016	281,913
2017	6,444
2018	570,713
2019	2,489
2020 and beyond	710,323

Loss on Early Retirement of Debt

On March 4, 2014, Select amended its term loans under its senior secured credit facilities. During the three months ended March 31, 2014, the Company recognized a loss of $2.3 million for unamortized debt issuance costs, unamortized original issue discount, and certain fees incurred related to term loan modifications.