<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000

<S>                             <C>                     <C>                     <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   6-MOS                   9-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996             DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1996             JAN-01-1996             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               MAR-31-1996             JUN-30-1996             SEP-30-1996             DEC-31-1995
<CASH>                                          10,441                   8,152                   9,118                   8,423
<SECURITIES>                                         0                       0                       0                       0
<RECEIVABLES>                                    5,545                  11,589                   6,713                   4,068
<ALLOWANCES>                                         0                       0                       0                       0
<INVENTORY>                                          0                       0                       0                       0
<CURRENT-ASSETS>                                     0                       0                       0                       0
<PP&E>                                           1,717                   1,715                   2,107                   2,644
<DEPRECIATION>                                       0                       0                       0                  (1,117)
<TOTAL-ASSETS>                                 247,417                 314,817                 363,026                 224,102
<CURRENT-LIABILITIES>                            8,399                  10,330                  23,212                  13,749
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                          0                       0                       0                       0
<COMMON>                                        37,154                  37,342                  37,407                  14,661
<OTHER-SE>                                      18,028                  20,381                  22,909                  16,251
<TOTAL-LIABILITY-AND-EQUITY>                   247,417                 314,817                 363,026                 224,102
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                                26,637                  59,864                  99,320                  80,676
<CGS>                                           17,303                  39,065                  65,087                  51,164
<TOTAL-COSTS>                                        0                       0                       0                       0
<OTHER-EXPENSES>                                 2,444                   5,419                   9,007                   8,584
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                               3,666                   7,738                  13,028                  10,428
<INCOME-PRETAX>                                  2,962                   6,956                  11,168                   9,859
<INCOME-TAX>                                     1,185                   2,846                   4,571                   3,931
<INCOME-CONTINUING>                                  0                       0                       0                       0
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                     1,777                   4,110                   6,597                   5,928
<EPS-PRIMARY>                                     0.25                    0.55                    0.86                    0.95
<EPS-DILUTED>                                     0.25                    0.53                    0.83                    0.83


</TABLE>