Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Mortgage Servicing Rights - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Impairment losses on mortgage servicing rights			$ 13,694	$ 3,132	$ 1,836
Bank Servicing
Disaggregation of Revenue [Line Items]
Revenue	$ 3,400	$ 2,346	$ 9,012	$ 7,081