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Accounts Payable and Accrued Liabilities | 3 Months Ended
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Mar. 31, 2020
Accounts Payable and Accrued Liabilities |
Accounts Payable and Accrued Liabilities | Note 7—Accounts Payable and Accrued Liabilities ​ At March 31, 2020 and December 31, 2019, accounts payable included retention amounts of approximately $10.9 million and $11.3 million, respectively. These amounts owed to subcontractors have been retained pending contract completion and customer acceptance of jobs. ​ The following is a summary of accrued liabilities (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31,
​ |  | 2020 |  | 2019
Payroll and related employee benefits | ​ | $ | 74,008 | ​ | $ | 64,705
Current operating lease liability | ​ | ​ | 79,532 | ​ | ​ | 74,036
Casualty insurance reserves | ​ |  | 9,902 | ​ |  | 9,918
Corporate income taxes and other taxes | ​ |  | 6,822 | ​ |  | 9,027
Other | ​ |  | 22,384 | ​ |  | 25,815
​ | ​ | $ | 192,648 | ​ | $ | 183,501
​

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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