<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
condensed consolidated balance sheet and the condensed consolidated statement of
income as of and for the six months ended June 30, 1999 as contained in the
company's form 10-Q for such period and is qualified in its entirety by
reference to such form 10-Q. Dollars are in thousands, except per share data.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                           8,315
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0
<PP&E>                                         683,653
<DEPRECIATION>                                  75,558
<TOTAL-ASSETS>                                 643,554
<CURRENT-LIABILITIES>                                0
<BONDS>                                        365,538
<PREFERRED-MANDATORY>                           24,369
<PREFERRED>                                          0
<COMMON>                                             2
<OTHER-SE>                                     178,109
<TOTAL-LIABILITY-AND-EQUITY>                   643,554
<SALES>                                              0
<TOTAL-REVENUES>                                38,111
<CGS>                                                0
<TOTAL-COSTS>                                    9,815
<OTHER-EXPENSES>                                   485
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              14,132
<INCOME-PRETAX>                                 12,181
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                              9,232
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,232
<EPS-BASIC>                                       0.47
<EPS-DILUTED>                                     0.47