Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Revenue From Contract With Customer [Abstract]
Other real estate sales, net gains (losses)	$ 59	$ (70)

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details