Hidrock Properties just pulled off $100.5 million in loans for its new 31-story, 161-key Midtown hotel project. The family-led development firm plans to build a new hotel at 12 East 48th Street. Midland National Life Insurance provided a $70.7 million construction loan and another $29.7 million in refinancing to replace a previous loan from Bank of the Ozarks, according to documents filed with the city on Friday.