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Debt Obligations (Tables)
12 Months Ended
Dec. 31, 2020
Debt Obligations  
Schedule of components of debt obligations

Debt obligations consist of the following (in thousands):

December 31,

 

2020

    

2019

 

Revolving credit facility

$

70,000

$

28,000

Term loan

135,000

150,000

Notes to former owners

31,000

 

48,483

Total principal amount

236,000

 

226,483

Less—unamortized debt issuance costs

(267)

(348)

Total debt, net of unamortized debt issuance costs

235,733

226,135

Less—current portion

 

(20,817)

Total long-term portion of debt, net

$

235,733

$

205,318

Schedule of future principal payments of long-term debt

At December 31, 2020, future principal payments of debt are as follows (in thousands):

Year ended December 31—

    

    

2021

    

$

 

2022

 

23,000

2023

 

34,000

2024

 

26,500

2025

 

152,500

Thereafter

$

236,000

Schedule of interest expense

Interest expense included the following primary elements (in thousands):

Year Ended December 31,

 

    

2020

    

2019

    

2018

 

Interest expense on notes to former owners

$

1,354

$

1,531

$

642

Interest expense on borrowings and unused commitment fees

 

5,319

 

6,887

 

2,211

Interest expense on interest rate swaps

338

Letter of credit fees

 

830

 

512

 

474

Amortization of debt financing costs

 

544

 

387

 

383

Total

$

8,385

$

9,317

$

3,710

Schedule of reconciliation of Credit Facility Adjusted EBITDA to net income

Net income

    

$

150,139

 

Provision for income taxes

 

41,401

Interest expense, net

 

8,282

Depreciation and amortization expense

 

60,629

Stock-based compensation

 

6,934

Pre-acquisition results of acquired companies, as defined under the Facility

 

18,511

Credit Facility Adjusted EBITDA

$

285,896

Schedule of market rates relating to interest options under the Facility

Base Rate Loan Option:

    

    

 

Federal Funds Rate plus 0.50%

    

0.59%

Wells Fargo Bank, N.A. Prime Rate

3.25%

One-month LIBOR plus 1.00%

1.14%

Eurodollar Rate Loan Option:

One-month LIBOR

0.14%

Six-month LIBOR

0.26%

Summary of additional margins

Consolidated Total Indebtedness to

 

Credit Facility Adjusted EBITDA

 

    

Less than 1.00

    

1.00 to 1.75

    

1.75 to 2.50

    

2.50 or greater

 

Additional Per Annum Interest Margin Added Under:

Base Rate Loan Option

0.25

%  

0.50

%  

0.75

%  

1.00

%

Eurodollar Rate Loan Option

1.25

%

1.50

%

1.75

%

2.00

%

Letter of credit fees

1.25

%

1.50

%

1.75

%

2.00

%

Commitment fees on any portion of the Revolving Loan capacity not in use for borrowings or letters of credit at any given time

0.20

%  

0.25

%  

0.30

%  

0.35

%