Other Assets - Schedule of Investing Commitment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)
Other Commitments [Line Items]
Original commitment amount	$ 30,747
Less: life to date contributions	(21,620)
Remaining commitment amount	$ 9,127
R4 - MVV
Other Commitments [Line Items]
Years over which tax credits are earned	17 years
Original commitment amount	$ 8,518
Less: life to date contributions	(824)
Remaining commitment amount	$ 7,694
R4 - Coronado
Other Commitments [Line Items]
Years over which tax credits are earned	17 years
Original commitment amount	$ 10,729
Less: life to date contributions	(9,722)
Remaining commitment amount	$ 1,007
WNC
Other Commitments [Line Items]
Years over which tax credits are earned	16 years
Original commitment amount	$ 2,500
Less: life to date contributions	(2,074)
Remaining commitment amount	$ 426
USA 57
Other Commitments [Line Items]
Years over which tax credits are earned	15 years
Original commitment amount	$ 3,000
Less: life to date contributions	(3,000)
Remaining commitment amount	$ 0
Centerline XXXIII
Other Commitments [Line Items]
Years over which tax credits are earned	18 years
Original commitment amount	$ 3,000
Less: life to date contributions	(3,000)
Remaining commitment amount	$ 0
Centerline XXII
Other Commitments [Line Items]
Years over which tax credits are earned	18 years
Original commitment amount	$ 3,000
Less: life to date contributions	(3,000)
Remaining commitment amount	$ 0