Stock Repurchase Program, Repurchased Shares (Details) - USD ($)	3 Months Ended							16 Months Ended	19 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Sep. 30, 2019
Class of Stock [Line Items]
Repurchased Amount					$ 1,862,000	$ 248,000	$ 2,718,000	$ 1,000,000.0
Common Stock
Class of Stock [Line Items]
Number of Shares (in shares)	0	0	0	75,813					75,813
Repurchased Amount	$ 0	$ 0	$ 0	$ 1,008,652					$ 1,008,652
Average Price Per Share (in dollars per share)	$ 0	$ 0	$ 0	$ 13.30					$ 13.30