MSRs - Components of Servicing Income (Details) - Mortgages - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule Of Components Of Servicing Income [Line Items]
Servicing income, net	$ 243,265	$ 285,745	$ 676,944	$ 702,127
Total servicing income	$ 243,265	$ 285,745	$ 676,944	$ 702,127