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Subsequent Event	3 Months Ended
Subsequent Event	Mar. 31, 2020
Subsequent Events [Abstract]
SUBSEQUENT EVENT	SUBSEQUENT EVENT On April 21, 2020, we sold a building in Pasadena, California for $16.1 million, which is included in "assets held for sale" on our consolidated balance sheet. On May 6, 2020, we entered into a $400.0 million unsecured term loan that matures on May 6, 2021, with one twelve month extension at our option. The loan bears interest at LIBOR plus 135 basis points based on our current credit rating. The net proceeds were used to reduce amounts outstanding on our $1.0 billion revolving credit facility.