<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS FOR THE THREE AND NINE
MONTHS ENDED SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1997
<PERIOD-START>                             JUL-01-1997             JAN-01-1997
<PERIOD-END>                               SEP-30-1997             SEP-30-1997
<CASH>                                               0                       0
<SECURITIES>                                         0                       0
<RECEIVABLES>                                        0                       0
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                     0                       0
<PP&E>                                               0                       0
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                       0                       0
<CURRENT-LIABILITIES>                                0                       0
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                           0                       0
<TOTAL-LIABILITY-AND-EQUITY>                         0                       0
<SALES>                                              0                       0
<TOTAL-REVENUES>                                77,730                 221,296
<CGS>                                                0                       0
<TOTAL-COSTS>                                        0                       0
<OTHER-EXPENSES>                                36,323                  96,919
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               8,039                  20,524
<INCOME-PRETAX>                                 15,636                  54,412
<INCOME-TAX>                                     6,308                  22,362
<INCOME-CONTINUING>                              9,328                  32,050
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     9,328                  32,050
<EPS-PRIMARY>                                     0.20                    0.75
<EPS-DILUTED>                                     0.20                    0.75
        

</TABLE>