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