MSRs - Components of Servicing Income (Details) - Mortgages - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Schedule Of Components Of Servicing Income [Line Items]
Servicing income, net	$ 185,465	$ 196,404	$ 433,679	$ 416,382
Total servicing income	$ 185,465	$ 196,404	$ 433,679	$ 416,382