Investments in Unconsolidated Joint Ventures - Financial Position (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Other assets	$ 18,865	$ 17,283
Total assets	2,095,621	2,010,756
LIABILITIES AND EQUITY
Accounts payable	78,792	74,282
Accrued expenses	81,657	92,395
Total liabilities and equity	2,095,621	2,010,756
Joint Ventures
ASSETS
Cash	12,306	10,208
Loans held for sale	13,640	18,791
Accounts receivable	894	764
Other assets	96	56
Total assets	26,936	29,819
LIABILITIES AND EQUITY
Accounts payable	381	694
Accrued expenses	1,046	1,026
Credit lines payable	12,992	17,748
Other liabilities	24	17
Members equity	12,493	10,334
Total liabilities and equity	$ 26,936	$ 29,819