Fair Value Measurements and Disclosure, Part IV (Details) - Junior Subordinated Debt - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Liabilities:
Beginning balance	$ 8,300	$ 10,115	$ 11,125
Total losses included in earnings	(518)	(73)	(102)
Canceled debt	0	(1,122)	0
Gain on redemption of liability	0	78	0
Capitalized interest	1,050	(698)	(908)
Ending balance	8,832	8,300	10,115
The amount of total losses for the period included in earnings attributable to the change in unrealized gains or losses relating to liabilities still held at the reporting date	$ (518)	$ (73)	$ (102)