Commitments and Contingencies (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Loans sold to investors	$ 4,400,000
Mortgage loan sold, recourse period from date of sale	4 months
Mortgage loan sold, continuous default period	90 days
Mortgage loan sold, prepayment period	180 days
Indemnification amount in addition to service lease premium	$ 5,000
Recourse for number of days after date of sale	180 days
Loan origination commitments
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Off-balance-sheet risk, amount, liability	$ 204,000	$ 524,000