Noncontrolling Interest in Operating Partnership - Schedule of OP Unit Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2018
Noncontrolling Interest [Abstract]
OP Units redeemed for common stock (in units)	85,501	0
OP Units redeemed for cash (in units)	0	30,000
Cash paid for OP Units redeemed	$ 0	$ 2,558