XML 17 R7.htm IDEA: XBRL DOCUMENT v3.22.2
Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Operating activities    
Net cash provided by operating activities $ 40,481 $ 29,318
Investing activities    
Expenditures for property, plant and equipment and acquisition of mineral interests (24,918) (16,127)
Proceeds from the sale of property, plant and equipment 2,824 59
Other (22) (21)
Net cash used for investing activities (22,116) (16,089)
Financing activities    
Additions to long-term debt 1,109 0
Reductions of long-term debt (1,400) (2,881)
Net reductions to revolving credit agreements (4,000) (11,000)
Cash dividends paid (2,966) (2,786)
Net cash used for financing activities (7,257) (16,667)
Cash and cash equivalents    
Total increase (decrease) for the period 11,108 (3,438)
Balance at the beginning of the period 86,005 88,450
Balance at the end of the period $ 97,113 $ 85,012