MSRs - Components of Servicing Income (Details) - Mortgages - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Schedule Of Components Of Servicing Income [Line Items]
Servicing income, net	$ 940,090	$ 922,094
Income from MSRs, net	$ 940,090	$ 922,094