Debt Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Obligations
Total principal amount	$ 231,835	$ 226,483
Less-unamortized debt issuance costs	(308)	(348)
Total long-term portion of debt	231,527	226,135
Less-current portion	85	20,817
Total long-term portion of debt, net	231,442	205,318
Revolving credit facility
Debt Obligations
Total principal amount	55,000	28,000
Term loan
Debt Obligations
Total principal amount	138,750	150,000
Notes to former owners
Debt Obligations
Outstanding balance	38,050	$ 48,483
Other debt
Debt Obligations
Acquired debt	$ 35

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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