(a) Keep its insurable properties insured at all times by financially sound and reputable insurers in such amounts as shall be customary for similar businesses and maintain such other reasonable insurance (including, to the extent consistent with past practices, self-insurance), of such types, to such extent and against such risks, as is customary with companies in the same or similar businesses, taking into account the general degree to which such companies are leveraged, and maintain such other insurance as may be required by law or any other Loan Document.