Organization and Summary of Significant Accounting Policies (Other Comprehensive Income (Loss)) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ (8,658,000)	$ (4,505,000)
Other comprehensive income (loss)	(13,842,000)	(5,326,000)
Reclassifications from accumulated other comprehensive income to net earnings	2,148,000	1,173,000
Net current period other comprehensive income (loss)	(11,694,000)	(4,153,000)
Ending balance	(20,352,000)	(8,658,000)
Gain or Loss on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(13,579,000)	(8,396,000)
Other comprehensive income (loss)	(13,369,000)	(6,312,000)
Reclassifications from accumulated other comprehensive income to net earnings	1,902,000	1,129,000
Net current period other comprehensive income (loss)	(11,467,000)	(5,183,000)
Ending balance	(25,046,000)	(13,579,000)
Income tax expense (benefit)	0	0
Unrealized Gains and Losses on Commercial Mortgage Residual Interests
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,793,000	3,755,000
Other comprehensive income (loss)	(585,000)	875,000
Reclassifications from accumulated other comprehensive income to net earnings	246,000	163,000
Net current period other comprehensive income (loss)	(339,000)	1,038,000
Ending balance	4,454,000	4,793,000
Income tax expense (benefit)	0	0
Gains and Losses on Available-for-Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	128,000	136,000
Other comprehensive income (loss)	112,000	111,000
Reclassifications from accumulated other comprehensive income to net earnings	0	(119,000)
Net current period other comprehensive income (loss)	112,000	(8,000)
Ending balance	$ 240,000	128,000
Income tax expense (benefit)		$ 0