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GUARANTEES (Tables)
12 Months Ended
Dec. 31, 2020
Guarantees [Abstract]  
Schedule of Letters of Credit and Surety Bonds Outstanding
As of December 31, 2020 and 2019, we had letters of credit and surety bonds outstanding, which primarily guarantee various insurance activities as noted in the following table:
 December 31,
 20202019
 (In thousands)
Letters of credit$371,840 $337,476 
Surety bonds147,091 115,848