<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Item 1 of
Form 10-K for the period ended December 31, 1999 and is qualified in its
entirety by reference to such 10-K.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          32,220
<SECURITIES>                                    34,717
<RECEIVABLES>                                   26,842
<ALLOWANCES>                                       234
<INVENTORY>                                          0
<CURRENT-ASSETS>                               109,501
<PP&E>                                         120,433
<DEPRECIATION>                                  53,140
<TOTAL-ASSETS>                                 221,934
<CURRENT-LIABILITIES>                           51,458
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            29
<OTHER-SE>                                     170,253
<TOTAL-LIABILITY-AND-EQUITY>                   221,934
<SALES>                                              0
<TOTAL-REVENUES>                               156,962
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                               146,833
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 316
<INCOME-PRETAX>                               (27,568)
<INCOME-TAX>                                     (800)
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (26,768)
<EPS-BASIC>                                     (0.95)
<EPS-DILUTED>                                   (0.95)