Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2017 - USD ($)	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]
Balances at Dec. 31, 2016	$ 332,779,000	$ 330,000	$ 332,449,000	$ 0
Increase (Decrease) in Stockholders' Equity
Net loss	(7,193,000)	0	0	(7,193,000)
Cash dividend declared	(30,628,000)	0	(30,628,000)	0
Stock Issued During Period, Value, New Issues	122,857,000	123,000	122,734,000	0
Issuance of common shares pursuant to equity compensation plan	196,000	0	196,000	0
Amortization of equity plan compensation	163,000	0	163,000	0
Balances at Jun. 30, 2017	$ 418,174,000	$ 453,000	$ 424,914,000	$ (7,193,000)