Fee and Other Income - Summary of Fee and Other Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Fee income:
Total fee income	$ 6,670	$ 6,330
Other income	1,350	2,231
Total fee and other income	8,020	8,561
Property Management Fees [Member]
Fee income:
Total fee income	2,196	2,450
Asset Management Fees [Member]
Fee income:
Total fee income	3,486	3,521
Other Fee Income [Member]
Fee income:
Total fee income	$ 988	$ 359