Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Cash dividends declared and paid to common stock, per share			$ 261,000	$ 100,000
Preferred dividend earned, per share	$ 0.0523	$ 0.0438	0.1040	0.0771
Additional Paid-In Capital [Member]
Cash dividends declared and paid to common stock, per share	$ 54,150	$ 60,000	$ 335,150	$ 100,000