5. Long-Term Debt

Long-term debt consisted of the following at March 31, 2015 and December 31, 2014 (in thousands):



	2015		2014
Senior Secured Debt:
$125 million revolving credit facility, due May 2018	$	—	$	76,000
Term A loan facility, due May 2018	154,251		158,813
Term B loan facility, due May 2020	180,312		180,312
	$	334,563	$	415,125

Borrowings under the term A loan facility and revolving loan facility bear interest at the Company's option, either the Eurodollar rate (LIBOR) or the base rate, plus 1.75% to 2.50%. Borrowings under the term B loan facility bear interest at the LIBOR rate, with a floor of 1.0%, plus 2.50%. The commitment fee on the undrawn portion available under the revolving loan facility ranges from 0.25% to 0.40%. Under terms of the credit facility, the Company has the ability to increase the loan facilities by up to $100.0 million under certain specified conditions.

At March 31, 2015, borrowings on the term A loan bore interest at 2.2 percent, and borrowings on the term B loan bore interest at 3.5 percent. The weighted average interest rate at March 31, 2015 was 2.9 percent.

During the remainder of 2015, each of the next four years, and thereafter, the Company will be required to make principal payments as follows (in thousands):



2015	$	13,688
2016	18,250
2017	18,250
2018	104,063
2019	—
Thereafter	180,312
	$	334,563

The Company is required to make mandatory prepayments of loans under the new facility, subject to specified exceptions, from excess cash flow and with the proceeds of asset sales, debt issuances and specified other events.

The Company's obligations under the credit facility are guaranteed by substantially all of its direct and indirect domestic subsidiaries and secured by a lien on substantially all of the Company's tangible and intangible property and by a pledge of (i) all of the equity interests in its direct and indirect domestic subsidiaries and (ii) 65% of the equity interests in its first-tier foreign subsidiaries.

The credit facility includes various restrictive covenants, including, the maximum ratio of consolidated funded debt to consolidated EBITDA (3.50:1.00 as of March 31, 2015 and decreases to 3.25:1.00 on June 30, 2015 and thereafter). There are also limits on the Company's and its subsidiaries' ability to incur liens, incur additional indebtedness, make loans and investments, engage in mergers and acquisitions, engage in asset sales, declare dividends or redeem or repurchase capital stock, alter the business conducted by the Company and its subsidiaries, transact with affiliates, prepay, redeem or purchase subordinated debt and amend or otherwise alter debt agreements. On January 30, 2015 the Company amended its credit facility to not require a mandatory prepayment from the sale of the Physician Segment (see "Note 3. Discontinued Operations").