Loans and Allowance for Credit Losses (Schedule of Commercial Credit Exposure Based on Internal Risk Ratings) (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 23,834,889	$ 23,154,988
Financing Receivable, before Allowance for Credit Loss and Fee	23,834,889	23,154,988
Multi-family
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,877
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	324,882
Financing Receivable, Originated Two Years before Latest Fiscal Year	205,994
Financing Receivable, Originated Three Years before Latest Fiscal Year	233,038
Financing Receivable, Originated Four Years before Latest Fiscal Year	363,983
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	683,372
Financing Receivable, Revolving	39,607
Financing Receivable, before Allowance for Credit Loss and Fee	1,893,753	2,217,705
Multi-family | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,877
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	316,733
Financing Receivable, Originated Two Years before Latest Fiscal Year	190,227
Financing Receivable, Originated Three Years before Latest Fiscal Year	210,681
Financing Receivable, Originated Four Years before Latest Fiscal Year	347,973
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	633,791
Financing Receivable, Revolving	39,607
Financing Receivable, before Allowance for Credit Loss and Fee	1,781,889	2,184,771
Multi-family | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,149
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,767
Financing Receivable, Originated Three Years before Latest Fiscal Year	19,512
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,209
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,587
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	57,224	0
Multi-family | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,845
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,801
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	41,994
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	54,640	32,934
Multi-family | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Commercial real estate, Non-owner occupied
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	243,019
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,281,855
Financing Receivable, Originated Two Years before Latest Fiscal Year	838,565
Financing Receivable, Originated Three Years before Latest Fiscal Year	557,813
Financing Receivable, Originated Four Years before Latest Fiscal Year	857,879
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,053,628
Financing Receivable, Revolving	107,772
Financing Receivable, before Allowance for Credit Loss and Fee	4,940,531	5,030,904
Commercial real estate, Non-owner occupied | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	238,451
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,202,138
Financing Receivable, Originated Two Years before Latest Fiscal Year	736,973
Financing Receivable, Originated Three Years before Latest Fiscal Year	509,446
Financing Receivable, Originated Four Years before Latest Fiscal Year	590,992
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	814,514
Financing Receivable, Revolving	107,772
Financing Receivable, before Allowance for Credit Loss and Fee	4,200,286	4,932,279
Commercial real estate, Non-owner occupied | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	46,971
Financing Receivable, Originated Two Years before Latest Fiscal Year	96,563
Financing Receivable, Originated Three Years before Latest Fiscal Year	47,930
Financing Receivable, Originated Four Years before Latest Fiscal Year	166,139
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	112,887
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	470,490	5,831
Commercial real estate, Non-owner occupied | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	4,568
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	32,746
Financing Receivable, Originated Two Years before Latest Fiscal Year	5,029
Financing Receivable, Originated Three Years before Latest Fiscal Year	437
Financing Receivable, Originated Four Years before Latest Fiscal Year	100,748
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	126,227
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	269,755	92,794
Commercial real estate, Non-owner occupied | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Construction and land
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	7,208
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	126,822
Financing Receivable, Originated Two Years before Latest Fiscal Year	17,472
Financing Receivable, Originated Three Years before Latest Fiscal Year	58,624
Financing Receivable, Originated Four Years before Latest Fiscal Year	34,977
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,263
Financing Receivable, Revolving	243
Financing Receivable, before Allowance for Credit Loss and Fee	246,609	243,925
Construction and land | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	7,208
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	125,429
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,619
Financing Receivable, Originated Three Years before Latest Fiscal Year	50,020
Financing Receivable, Originated Four Years before Latest Fiscal Year	27,336
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	917
Financing Receivable, Revolving	243
Financing Receivable, before Allowance for Credit Loss and Fee	224,772	240,734
Construction and land | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,393
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,965
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,604
Financing Receivable, Originated Four Years before Latest Fiscal Year	4,284
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	17,246	0
Construction and land | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	888
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,357
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	346
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	4,591	3,191
Construction and land | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Commercial real estate, Owner occupied
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	131,430
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	338,623
Financing Receivable, Originated Two Years before Latest Fiscal Year	309,415
Financing Receivable, Originated Three Years before Latest Fiscal Year	336,572
Financing Receivable, Originated Four Years before Latest Fiscal Year	355,669
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	518,722
Financing Receivable, Revolving	50,915
Financing Receivable, before Allowance for Credit Loss and Fee	2,041,346	2,062,808
Commercial real estate, Owner occupied | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	128,795
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	303,522
Financing Receivable, Originated Two Years before Latest Fiscal Year	276,367
Financing Receivable, Originated Three Years before Latest Fiscal Year	267,267
Financing Receivable, Originated Four Years before Latest Fiscal Year	311,485
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	466,194
Financing Receivable, Revolving	39,586
Financing Receivable, before Allowance for Credit Loss and Fee	1,793,216	1,991,556
Commercial real estate, Owner occupied | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	2,635
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	26,410
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,528
Financing Receivable, Originated Three Years before Latest Fiscal Year	57,102
Financing Receivable, Originated Four Years before Latest Fiscal Year	41,321
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	34,201
Financing Receivable, Revolving	2,108
Financing Receivable, before Allowance for Credit Loss and Fee	179,305	27,870
Commercial real estate, Owner occupied | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	8,691
Financing Receivable, Originated Two Years before Latest Fiscal Year	17,520
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,203
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,863
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	18,327
Financing Receivable, Revolving	9,221
Financing Receivable, before Allowance for Credit Loss and Fee	68,825	43,382
Commercial real estate, Owner occupied | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Commercial and industrial
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	357,260
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,069,143
Financing Receivable, Originated Two Years before Latest Fiscal Year	422,233
Financing Receivable, Originated Three Years before Latest Fiscal Year	331,293
Financing Receivable, Originated Four Years before Latest Fiscal Year	251,505
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	124,773
Financing Receivable, Revolving	2,135,119
Financing Receivable, before Allowance for Credit Loss and Fee	4,691,326	4,655,349
Commercial and industrial | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	356,049
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	940,865
Financing Receivable, Originated Two Years before Latest Fiscal Year	344,774
Financing Receivable, Originated Three Years before Latest Fiscal Year	295,769
Financing Receivable, Originated Four Years before Latest Fiscal Year	204,049
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	64,485
Financing Receivable, Revolving	1,989,034
Financing Receivable, before Allowance for Credit Loss and Fee	4,195,025	4,508,563
Commercial and industrial | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	611
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	81,305
Financing Receivable, Originated Two Years before Latest Fiscal Year	33,987
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,252
Financing Receivable, Originated Four Years before Latest Fiscal Year	28,507
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,818
Financing Receivable, Revolving	89,918
Financing Receivable, before Allowance for Credit Loss and Fee	243,398	28,498
Commercial and industrial | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	600
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	46,973
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,472
Financing Receivable, Originated Three Years before Latest Fiscal Year	33,272
Financing Receivable, Originated Four Years before Latest Fiscal Year	18,949
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	53,470
Financing Receivable, Revolving	56,167
Financing Receivable, before Allowance for Credit Loss and Fee	252,903	118,288
Commercial and industrial | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Payment Protection Plan [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	827,359
Financing Receivable, before Allowance for Credit Loss and Fee	827,359
Payment Protection Plan [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	827,359
Financing Receivable, before Allowance for Credit Loss and Fee	827,359
Payment Protection Plan [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Pinnacle Public Finance [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	125,882
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	134,838
Financing Receivable, Originated Two Years before Latest Fiscal Year	92,537
Financing Receivable, Originated Three Years before Latest Fiscal Year	232,269
Financing Receivable, Originated Four Years before Latest Fiscal Year	227,317
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	429,663
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	1,242,506	1,202,430
Pinnacle Public Finance [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee		1,202,430
Pinnacle Public Finance [Member] | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	125,882
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	134,838
Financing Receivable, Originated Two Years before Latest Fiscal Year	92,537
Financing Receivable, Originated Three Years before Latest Fiscal Year	232,269
Financing Receivable, Originated Four Years before Latest Fiscal Year	227,317
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	429,663
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	1,242,506
Pinnacle Public Finance [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Bridge - franchise finance [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	85,164
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	267,338
Financing Receivable, Originated Two Years before Latest Fiscal Year	146,547
Financing Receivable, Originated Three Years before Latest Fiscal Year	55,570
Financing Receivable, Originated Four Years before Latest Fiscal Year	44,438
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	24,082
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	623,139	627,482
Bridge - franchise finance [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,004
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	97,036
Financing Receivable, Originated Two Years before Latest Fiscal Year	27,760
Financing Receivable, Originated Three Years before Latest Fiscal Year	12,666
Financing Receivable, Originated Four Years before Latest Fiscal Year	14,456
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,357
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	206,279	562,042
Bridge - franchise finance [Member] | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	42,611
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	154,808
Financing Receivable, Originated Two Years before Latest Fiscal Year	73,602
Financing Receivable, Originated Three Years before Latest Fiscal Year	37,731
Financing Receivable, Originated Four Years before Latest Fiscal Year	11,255
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,368
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	327,375	10,682
Bridge - franchise finance [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	549
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	15,494
Financing Receivable, Originated Two Years before Latest Fiscal Year	45,185
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,173
Financing Receivable, Originated Four Years before Latest Fiscal Year	17,778
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,357
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	88,536	54,758
Bridge - franchise finance [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	949
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	949
Bridge - equipment finance [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	24,349
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	203,469
Financing Receivable, Originated Two Years before Latest Fiscal Year	117,072
Financing Receivable, Originated Three Years before Latest Fiscal Year	121,717
Financing Receivable, Originated Four Years before Latest Fiscal Year	55,549
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	67,629
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	589,785	684,794
Bridge - equipment finance [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	24,349
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	193,227
Financing Receivable, Originated Two Years before Latest Fiscal Year	103,434
Financing Receivable, Originated Three Years before Latest Fiscal Year	94,667
Financing Receivable, Originated Four Years before Latest Fiscal Year	54,544
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	67,486
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	537,707	663,855
Bridge - equipment finance [Member] | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	6,634
Financing Receivable, Originated Two Years before Latest Fiscal Year	9,510
Financing Receivable, Originated Three Years before Latest Fiscal Year	27,050
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	43,194	0
Bridge - equipment finance [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,608
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,128
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,005
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	143
Financing Receivable, Revolving	0
Financing Receivable, before Allowance for Credit Loss and Fee	8,884	20,939
Bridge - equipment finance [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	0
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
Loans and Leases Receivable, Net of Deferred Income		17,493,869
Financing Receivable, before Allowance for Credit Loss and Fee	18,257,082	17,493,869
Commercial Portfolio Segment [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	16,169,767	17,054,702
Commercial Portfolio Segment [Member] | Special mention
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	1,338,232	72,881
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	748,134	366,286
Commercial Portfolio Segment [Member] | Substandard
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	561,000	180,000
Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, before Allowance for Credit Loss and Fee	949
Mortgage warehouse lending [Member]
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	1,160,728
Financing Receivable, before Allowance for Credit Loss and Fee	1,160,728	768,472
Mortgage warehouse lending [Member] | Pass
Financing Receivable Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	1,160,728
Financing Receivable, before Allowance for Credit Loss and Fee	$ 1,160,728	$ 768,472