TWO Quarterly report pursuant to Section 13 or 15(d)

Commercial Real Estate Assets by Property Type (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 1,548,603	$ 1,412,543	$ 744,259	$ 660,953
Loans and Leases Receivable, Percentage of Total, Commercial	100.00%	100.00%
Retail Site [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 246,000	$ 237,414
Loans and Leases Receivable, Percentage of Total, Commercial	15.90%	16.80%
Hotel [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 107,193	$ 90,585
Loans and Leases Receivable, Percentage of Total, Commercial	6.90%	6.40%
Industrial Property [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 144,116	$ 105,081
Loans and Leases Receivable, Percentage of Total, Commercial	9.30%	7.40%
Multifamily [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 264,197	$ 260,683
Loans and Leases Receivable, Percentage of Total, Commercial	17.10%	18.50%
Office Building [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate assets	$ 787,097	$ 718,780
Loans and Leases Receivable, Percentage of Total, Commercial	50.80%	50.90%