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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Contract with Customer, Asset and Liability | The following table summarizes the values of contract assets, capitalized commissions, and contract liabilities for Pharma Services as of December 31, 2021 and 2020 (in thousands):
| 2021 |  | 2020
Current pharma contract assets(1) | $ | 1,738 |  |  | $ | 1,643 |
Long-term pharma contract assets(2) | 236 |  |  | 290 |
Total pharma contract assets | $ | 1,974 |  |  | $ | 1,933 |
Current pharma capitalized commissions(1) | $ | 109 |  |  | $ | 185 |
Long-term pharma capitalized commissions(2) | 882 |  |  | 970 |
Total pharma capitalized commissions | $ | 991 |  |  | $ | 1,155 |
Current pharma contract liabilities | $ | 5,192 |  |  | $ | 4,029 |
Long-term pharma contract liabilities(3) | 917 |  |  | 712 |
Total pharma contract liabilities | $ | 6,109 |  |  | $ | 4,741 |
(1) Recorded within other current assets on the Consolidated Balance Sheets. (2) Recorded within other assets on the Consolidated Balance Sheets. (3) Recorded within other long-term liabilities on the Consolidated Balance Sheets.
Disaggregation of Revenue | The following table details the disaggregation of net revenue for both the Clinical Services and Pharma Services Segments for the years ended December 31, 2021, 2020, and 2019 (in thousands):
|  | 2021 |  | 2020 |  | 2019
Clinical Services: |  |  |  |  |  |
Client direct billing |  | $ | 252,617 |  |  | $ | 240,535 |  |  | $ | 212,703 |
Commercial insurance |  | 78,773 |  |  | 76,550 |  |  | 83,107 |
Medicare and other government |  | 72,010 |  |  | 64,776 |  |  | 64,745 |
Self-pay |  | 772 |  |  | 476 |  |  | 606 |
Total Clinical Services |  | 404,172 |  |  | 382,337 |  |  | 361,161 |
Pharma Services |  | 80,157 |  |  | 62,111 |  |  | 47,669 |
Total net revenue |  | $ | 484,329 |  |  | $ | 444,448 |  |  | $ | 408,830 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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