Quarterly report pursuant to Section 13 or 15(d)

VIEs - Unconsolidated VIEs (Details)

v3.7.0.1
VIEs - Unconsolidated VIEs (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Trust 2016 Unconsolidated [Member]    
Variable Interest Entity [Line Items]    
Total Assets $ 12,435 $ 14,770
Total Liabilities 0 0
Maximum Exposure to Loss 12,435 14,770
2015-1 Automobile Trust    
Variable Interest Entity [Line Items]    
Total Assets 2,698 2,227
Total Liabilities 0 0
Maximum Exposure to Loss 2,698 2,227
Trust Preferred Securities    
Variable Interest Entity [Line Items]    
Total Assets 13,919 13,919
Total Liabilities 252,560 252,552
Maximum Exposure to Loss 0 0
Low Income Housing Tax Credit Partnerships    
Variable Interest Entity [Line Items]    
Total Assets 559,819 576,880
Total Liabilities 279,270 292,721
Maximum Exposure to Loss 559,819 576,880
Other Investments    
Variable Interest Entity [Line Items]    
Total Assets 95,033 79,195
Total Liabilities 41,232 42,316
Maximum Exposure to Loss 95,033 79,195
Total    
Variable Interest Entity [Line Items]    
Total Assets 683,904 686,991
Total Liabilities 573,062 587,589
Maximum Exposure to Loss $ 669,985 $ 673,072